Plant Gene Resources of Canada

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GRIN-CA Genera of Poaceae:

Abola Adans.: = Cinna L.
Acamptoclados Nash: =~ Eragrostis Wolf
Achaeta E. Fourn.: = Calamagrostis Adans.
Achlaena Griseb.
Achnatherum P. Beauv.: List of Species in GRIN-CA.
X Achnella Barkworth: [[= Achnatherum × Nassella]]

List of Species in GRIN-CA.
Achneria P. Beauv.: = Eriachne R. Br.
Achneria Munro ex Benth. & Hook. f.: = Pentaschistis (Nees) Spach
Achnodon Link: = Phleum L.
Achnodonton P. Beauv.: = Phleum L.
Achrochloa B. D. Jacks., orth. var.: = Koeleria Pers.
Achroostachys Benth., orth. var.: = Athroostachys Benth.
Achyrodes Boehm.: = Lamarckia Moench
Aciachne Benth.
Acicarpa Raddi: = Digitaria Haller
Acidosasa C. D. Chu & C. S. Chao ex Keng f.: List of Species in GRIN-CA.
Acostia Swallen: = Panicum L.
Acrachne Wight & Arn. ex Chiov.: List of Species in GRIN-CA.
Acratherum Link: = Arundinella Raddi
Acritochaete Pilg.
Acroceras Stapf: List of Species in GRIN-CA.
Acrochaete Peter: = Setaria P. Beauv.
Acroelytrum Steud.: = Lophatherum Brongn.
Acrospelion Steud.: = Trisetum Pers.
Acroxis Steud., nom. inval.: = Muhlenbergia Schreb.
Actinochloa Roem. & Schult.: = Bouteloua Lag.
Actinochloris Steud., nom. inval.: = Chloris Sw.
Actinocladum McClure ex Soderstr.
Aechmophora Steud., nom. inval.: = Bromus L.
Aegialina Schult.: = Rostraria Trin.
Aegialitis Trin.: = Rostraria Trin.
Aegicon Adans.: = Aegilops L.
Aegilemma A. Love: = Aegilops L.

List of Species in GRIN-CA.
Aegilonearum A. Love: = Aegilops L.

List of Species in GRIN-CA.
Aegilopodes A. Love: = Aegilops L.

List of Species in GRIN-CA.
Aegilops L.: List of Species in GRIN-CA.
Aegilops L. Sect. Aegilops: List of Species in GRIN-CA.
Aegilops L. Sect. Comopyrum: List of Species in GRIN-CA.
Aegilops L. Sect. Cylindropyrum: List of Species in GRIN-CA.
Aegilops L. Sect. Sitopsis: List of Species in GRIN-CA.
Aegilops L. Sect. Vertebrata: List of Species in GRIN-CA.
X Aegilotrichum Tscherm.-Seys., nom. inval.: = Aegilotriticum P. Fourn.

List of Species in GRIN-CA.
X Aegilotriticum P. Fourn.: [= Aegilops × Triticum]

List of Species in GRIN-CA.
Aegopogon Humb. & Bonpl. ex Willd.: List of Species in GRIN-CA.
Aelbroeckia De Moor: = Aeluropus Trin.
Aeluropus Trin.: List of Species in GRIN-CA.
Aera Asch., orth. var.: = Aira L.
Aeropsis Asch. & Graebn.: = Airopsis Desv.
Aethonopogon Kuntze, nom. inval.: = Polytrias Hack.
Afrachneria Sprague: = Pentaschistis (Nees) Spach
Afrotrichloris Chiov.
Agenium Nees
Aglycia Steud., nom. inval.: = Eriochloa Kunth
Agnesia Zuloaga & Judz.
Agraulus P. Beauv.: = Agrostis L.
Agrestis Bubani: = Agrostis L.
X Agroelymus E. G. Camus ex A. Camus: [= Agropyron × Elymus]

List of Species in GRIN-CA.
X Agrohordeum E. G. Camus ex A. Camus: [= Agropyron × Hordeum]

List of Species in GRIN-CA.
X Agropogon P. Fourn.: [= Agrostis × Polypogon]
Agropyron Gaertn.: List of Species in GRIN-CA.
Agropyropsis (Batt. & Trab.) A. Camus
X Agrositanion Bowden: = Agroelymus E. G. Camus ex A. Camus
[= Agropyron × Sitanion]

List of Species in GRIN-CA.
Agrosticula Raddi: = Sporobolus R. Br.
Agrostis L.: List of Species in GRIN-CA.
Agrostomia Cerv.: = Chloris Sw.
X Agrotriticum Cif. & Giacom.: [= Agropyron × Triticum]

List of Species in GRIN-CA.
Aikinia Wall.: = Mnesithea Kunth
Aira L.: List of Species in GRIN-CA.
Airella (Dumort.) Dumort.: = Aira L.
Airidium Steud.: = Deschampsia P. Beauv.
Airochloa Link: = Koeleria Pers.

List of Species in GRIN-CA.
Airopsis Desv.
Alectoridia A. Rich.: = Arthraxon P. Beauv.
Alexfloydia B. K. Simon
Allagostachyum Steud., nom. inval.: = Tribolium Desv.
Allelotheca Steud.: = Lophatherum Brongn.
Alloeochaete C. E. Hubb.
Alloiatheros Raf.: = Gymnopogon P. Beauv.
Allolepis Soderstr. & H. F. Decker: List of Species in GRIN-CA.
Alloteropsis J. Presl: List of Species in GRIN-CA.
Alopecuropsis Opiz: = Alopecurus L.
Alopecurus L.: List of Species in GRIN-CA.
Altoparadisium Filg. et al.
Alvimia C. E. Calderon ex Soderstr. & Londono
Alycia Steud., nom. inval.: = Eriochloa Kunth
Amagris Raf.: = Calamagrostis Adans.
Amaxitis Adans.: = Dactylis L.
Amblyachyrum Steud.: = Apocopis Nees
Amblychloa Link, nom. inval.: = Sclerochloa P. Beauv.
Amblyopyrum Eig: List of Species in GRIN-CA.
Amblytes Dulac: = Molinia Schrank
Amelichloa Arriaga & Barkworth: List of Species in GRIN-CA.
X Ammocalamagrostis P. Fourn.: [= Ammophila × Calamagrostis]

List of Species in GRIN-CA.
Ammochloa Boiss.
Ammophila Host: List of Species in GRIN-CA.
Ampelocalamus S. L. Chen et al.: List of Species in GRIN-CA.
Ampelodesmos Link: List of Species in GRIN-CA.
Ampelodonax Lojac.: = Ampelodesmos Link
Amphibromus Nees: = Helictotrichon Besser

List of Species in GRIN-CA.
Amphicarpum Kunth: List of Species in GRIN-CA.
Amphidonax Nees: = Arundo L.
Amphigenes Janka: = Festuca L.
Amphilophis (Trin.) Nash: = Bothriochloa Kuntze

List of Species in GRIN-CA.
Amphipogon R. Br.
Amphochaeta Andersson: = Pennisetum Rich.
Anachortus V. Jirasek & Chrtek: = Corynephorus P. Beauv.
Anachyris Nees: = Paspalum L.
Anachyrium Steud., orth. var.: = Paspalum L.
Anadelphia Hack.
Anastrophus Schltdl.: = Axonopus P. Beauv.
Anatherum Nabelek: = Festuca L.
Anatherum P. Beauv.: = Andropogon L.

List of Species in GRIN-CA.
Ancistrachne S. T. Blake: List of Species in GRIN-CA.
Ancistragrostis S. T. Blake: =~ Calamagrostis Adans.
Ancistrochloa Honda: = Calamagrostis Adans.
Andropogon L.: List of Species in GRIN-CA.
Andropterum Stapf
Androscepia Brongn.: = Themeda Forssk.
Anelytrum Hack.: = Avena L.
Anemagrostis Trin.: = Apera Adans.
Anemanthele Veldkamp: List of Species in GRIN-CA.
Aneurolepidium Nevski: = Leymus Hochst.

List of Species in GRIN-CA.
Anisachne Keng: = Calamagrostis Adans.
Anisantha K. Koch: =~ Bromus L.

List of Species in GRIN-CA.
Aniselytron Merr.: = Calamagrostis Adans.
Anisopogon R. Br.
Anisopyrum (Griseb.) Gren. & Duval, nom. inval.: = Leymus Hochst.
Anomalotis Steud.: = Agrostis L.
Anomochloa Brongn.
Anoplia Steud., nom. inval.: = Leptochloa P. Beauv.
Anthaenantia P. Beauv., orth. var.: = Anthenantia P. Beauv.
Anthaenantiopsis Mez ex Pilg.
Anthenantia P. Beauv.: List of Species in GRIN-CA.
Anthephora Schreb.: List of Species in GRIN-CA.
Anthipsimus Raf.: = Muhlenbergia Schreb.
Anthistiria L. f.: = Themeda Forssk.

List of Species in GRIN-CA.
Anthochloa Nees & Meyen
Anthopogon Nutt.: = Gymnopogon P. Beauv.
Anthosachne Steud.: = Elymus L.
Anthoxanthum L.: List of Species in GRIN-CA.
Antichloa Steud., nom. inval.: = Bouteloua Lag.
Antinoria Parl.
Antitragus Gaertn.: = Crypsis Aiton
Antonella Caro: = Tridens Roem. & Schult.
Antoschmidtia Boiss.: = Schmidtia Steud. ex J. A. Schmidt

List of Species in GRIN-CA.
Apera Adans.: List of Species in GRIN-CA.
Aphanelytrum Hack.
Aplexia Raf.: = Leersia Sw.
Aplocera Raf., nom. inval.: = Ctenium Panz.
Apluda L.: List of Species in GRIN-CA.
Apochaete (C. E. Hubb.) J. B. Phipps: = Tristachya Nees
Apochiton C. E. Hubb.
Apochloa Zuloaga & Morrone: = Panicum L.
Apoclada McClure
Apocopis Nees: List of Species in GRIN-CA.
Apogon Steud., nom. inval.: = Chloris Sw.
Apogonia (Nutt.) E. Fourn.: = Mnesithea Kunth
Arberella Soderstr. & C. E. Calderon
Arcangelina Kuntze: = Tripogon Roem. & Schult.
Arctagrostis Griseb.: List of Species in GRIN-CA.
Arctophila (Rupr.) Andersson: List of Species in GRIN-CA.
Arctopoa (Griseb.) Prob.: = Poa L.
Argillochloa W. A. Weber: = Festuca L.
Argopogon Mimeur: = Ischaemum L.
Aristaria Jungh.: = Themeda Forssk.
Aristavena F. Albers & Butzin: =~ Deschampsia P. Beauv.
Aristella (Trin.) Bertol.: = Achnatherum P. Beauv.

List of Species in GRIN-CA.
Aristida L.: List of Species in GRIN-CA.
Aristidium (Endl.) Lindl.: = Bouteloua Lag.
Aristopsis Catasus: = Aristida L.
Arrhenatherum P. Beauv.: List of Species in GRIN-CA.
Arrozia Schrad. ex Kunth: = Luziola Juss.
Arthragrostis Lazarides
Arthratherum P. Beauv.: = Aristida L.

List of Species in GRIN-CA.
Arthraxon P. Beauv.: List of Species in GRIN-CA.
Arthrochlaena Benth., nom. inval.: = Sclerodactylon Stapf
Arthrochloa J. W. Lorch: = Acrachne Wight & Arn. ex Chiov.
Arthrochloa R. Br.: = Holcus L.
Arthrochortus Lowe: = Lolium L.
Arthrolophis (Trin.) Chiov.: = Andropogon L.
Arthropogon Nees
Arthrostachya Link: = Gaudinia P. Beauv.
Arthrostachys Desv.: = Andropogon L.
Arthrostylidium Rupr.: List of Species in GRIN-CA.
Arundarbor Kuntze: = Bambusa Schreb.
Arundinaria Michx.: List of Species in GRIN-CA.
Arundinella Raddi: List of Species in GRIN-CA.
Arundo L.: List of Species in GRIN-CA.
Arundoclaytonia Davidse & R. P. Ellis
Asperella Humb.: =~ Elymus L.

List of Species in GRIN-CA.
Asprella Host: = Psilurus Trin.
Asprella Schreb.: = Leersia Sw.
Aspris Adans.: = Aira L.

List of Species in GRIN-CA.
Asthenatherum Nevski: = Centropodia (R. Br.) Rchb.

List of Species in GRIN-CA.
Asthenochloa Buse
Astrebla F. Muell. ex Benth.: List of Species in GRIN-CA.
Ataxia R. Br.: = Anthoxanthum L.
Athernotus Dulac: = Calamagrostis Adans.
Atherophora Steud., nom. inval.: = Aegopogon Humb. & Bonpl. ex Willd.
Atheropogon Muhl. ex Willd.: = Bouteloua Lag.

List of Species in GRIN-CA.
Athrolophis (Trin.) Chiov., orth. var.: = Andropogon L.
Athroostachys Benth.
Atractantha McClure
Atractocarpa Franch.: = Puelia Franch.
Atropis (Trin.) Griseb.: = Puccinellia Parl.

List of Species in GRIN-CA.
Aulacolepis Hack.: = Calamagrostis Adans.
Aulaxanthus Elliott: = Anthenantia P. Beauv.

List of Species in GRIN-CA.
Aulaxia Nutt.: = Anthenantia P. Beauv.
Aulonemia Goudot
Australopyrum (Tzvelev) A. Love: List of Species in GRIN-CA.
Austrochloris Lazarides
Austrodanthonia H. P. Linder: List of Species in GRIN-CA.
Austrofestuca (Tzvelev) E. B. Alexeev: = Poa L.

List of Species in GRIN-CA.
Austrostipa S. W. L. Jacobs & J. Everett: List of Species in GRIN-CA.
Avellinia Parl.: = Trisetaria Forssk.

List of Species in GRIN-CA.
Avena L.: List of Species in GRIN-CA.
Avena Scop.: = Lagurus L.
Avenaria Heist. ex Fabr.: = Bromus L.
Avenastrum Opiz: = Helictotrichon Besser

List of Species in GRIN-CA.
Avenella Parl.: =~ Deschampsia P. Beauv.

List of Species in GRIN-CA.
Avenochloa Holub: = Helictotrichon Besser

List of Species in GRIN-CA.
Avenula (Dumort.) Dumort.: = Helictotrichon Besser

List of Species in GRIN-CA.
Axonopus P. Beauv.: List of Species in GRIN-CA.
Balansochloa Kuntze: = Germainia Balansa & Poitr.
Baldingera G. Gaertn. et al.: = Phalaris L.
Baldomiria Herter: = Leptochloa P. Beauv.
Bambos Retz.: = Bambusa Schreb.

List of Species in GRIN-CA.
Bambus J. F. Gmel.: = Bambusa Schreb.

List of Species in GRIN-CA.
Bambusa Schreb.: List of Species in GRIN-CA.
Baptorhachis Clayton & Renvoize
Bashania Keng f. & T. P. Yi: = Arundinaria Michx.

List of Species in GRIN-CA.
Batratherum Nees: = Arthraxon P. Beauv.

List of Species in GRIN-CA.
Bauchea E. Fourn.: = Sporobolus R. Br.
Bealia Scribn.
Beckera Fresen.: = Snowdenia C. E. Hubb.

List of Species in GRIN-CA.
Beckeria Bernh.: = Melica L.
Beckeropsis Fig. & De Not.: = Pennisetum Rich.

List of Species in GRIN-CA.
Beckmannia Host: List of Species in GRIN-CA.
Beesha Kunth, nom. inval.: = Melocanna Trin.
Beesha Munro, nom. inval.: = Ochlandra Thwaites
Bellardiochloa Chiov.: List of Species in GRIN-CA.
Bennetia Raf.: = Sporobolus R. Br.
Berchtoldia C. Presl: = Chaetium Nees
Berghausia Endl.: = Garnotia Brongn.
Bewsia Gooss.: List of Species in GRIN-CA.
Bhidea Stapf ex Bor
Biatherium Desv.: = Gymnopogon P. Beauv.
Bifaria (Hack.) Kuntze: = Mesosetum Steud.
Blakeochloa Veldkamp: = Plinthanthesis Steud.
Blepharidachne Hack.: List of Species in GRIN-CA.
Blepharochloa Endl.: = Leersia Sw.
Blepharoneuron Nash: List of Species in GRIN-CA.
Bluffia Nees: = Alloteropsis J. Presl

List of Species in GRIN-CA.
Blumenbachia Koeler: = Sorghum Moench
Blyttia Fr.: = Cinna L.
Boissiera Hochst. ex Steud.: List of Species in GRIN-CA.
Boivinella A. Camus: = Cyphochlaena Hack.
Bonia Balansa
Borinda Stapleton: List of Species in GRIN-CA.
Boriskellera Terechov: = Eragrostis Wolf
Botelua Lag., orth. var.: = Bouteloua Lag.
Bothriochloa Kuntze: = Dichanthium Willemet

List of Species in GRIN-CA.
Bouteloua Lag.: List of Species in GRIN-CA.
Brachatera Desv.: = Danthonia DC.
Brachiaria (Trin.) Griseb.: List of Species in GRIN-CA.
Brachyachne (Benth.) Stapf: List of Species in GRIN-CA.
Brachyathera Kuntze, nom. inval.: = Danthonia DC.
Brachychloa S. M. Phillips
Brachyelytrum P. Beauv.: List of Species in GRIN-CA.
Brachypodium P. Beauv.: List of Species in GRIN-CA.
Brachystachyum Keng: List of Species in GRIN-CA.
Brachystylus Dulac: = Koeleria Pers.
Braconotia Godr.: = Elymus L.
Bracteola Swallen, nom. inval.: = Chrysochloa Swallen
Brandtia Kunth: = Arundinella Raddi
Brasilocalamus Nakai: = Merostachys Spreng.
Brevipodium A. Love & D. Love: = Brachypodium P. Beauv.
Briza L.: List of Species in GRIN-CA.
Brizochloa V. Jirasek & Chrtek: =~ Briza L.

List of Species in GRIN-CA.
Brizopyrum Link: = Desmazeria Dumort.
Brizopyrum Stapf: = Tribolium Desv.
Bromelica (Thurb.) Farw.: = Melica L.
Bromidium Nees & Meyen: = Agrostis L.
Bromopsis (Dumort.) Fourr.: =~ Bromus L.

List of Species in GRIN-CA.
Bromuniola Stapf & C. E. Hubb.
Bromus L.: List of Species in GRIN-CA.
Bromus Scop., nom. inval.: = Triticum L.

List of Species in GRIN-CA.
Bromus L. Sect. Bromopsis: = Bromus L.

List of Species in GRIN-CA.
Bromus L. Sect. Genea: = Bromus L.
Bromus L. Sect. Pnigma: = Bromus L.
Bromus L. Subg. Bromus: List of Species in GRIN-CA.
Bromus L. Subg. Ceratochloa: List of Species in GRIN-CA.
Bromus L. Subg. Festucoides: List of Species in GRIN-CA.
Bromus L. Subg. Neobromus: List of Species in GRIN-CA.
Bromus L. Subg. Nevskiella: List of Species in GRIN-CA.
Bromus L. Subg. Stenobromus: List of Species in GRIN-CA.
Brousemichea Balansa: = Zoysia Willd.
Bruchmannia Nutt., orth. var.: = Beckmannia Host
Brylkinia F. Schmidt
Bucetum Parn.: = Festuca L.
Buchloe Engelm.: =~ Bouteloua Lag.

List of Species in GRIN-CA.
Buchlomimus Reeder et al.: =~ Bouteloua Lag.
Buergersiochloa Pilg.
Bulbilis Raf. ex Kuntze: = Bouteloua Lag.

List of Species in GRIN-CA.
Bulbulus Swallen, nom. inval.: = Rehia Fijten
Burmabambus Keng f.: = Yushania Keng f.
Butania Keng f.: = Yushania Keng f.
Cabrera Lag.: = Axonopus P. Beauv.

List of Species in GRIN-CA.
Calamagrostis Adans.: List of Species in GRIN-CA.
Calamina P. Beauv.: = Apluda L.
Calamochloa E. Fourn.: = Sohnsia Airy Shaw
Calamochloe Rchb.: = Arundinella Raddi
Calamovilfa (A. Gray) Hack.: List of Species in GRIN-CA.
Calanthera Hook., nom. inval.: = Bouteloua Lag.
Calderonella Soderstr. & H. F. Decker
Callichloea Steud., nom. inval.: = Elionurus Humb. & Bonpl. ex Willd.
Calochloa Kunze, nom. inval.: = Elionurus Humb. & Bonpl. ex Willd.
Calosteca Desv.: = Briza L.
Calotheca P. Beauv., orth. var.: = Briza L.

List of Species in GRIN-CA.
Calotheria Steud., nom. inval.: = Enneapogon Desv. ex P. Beauv.
Calycodon Nutt.: = Muhlenbergia Schreb.
Calyptochloa C. E. Hubb.: List of Species in GRIN-CA.
Campeiostachys Drobow: = Elymus L.
Campelia Kunth, orth. var.: = Deschampsia P. Beauv.
Campella Link: = Deschampsia P. Beauv.
Campuloa Desv., orth. var.: = Ctenium Panz.
Campulosus Desv.: = Ctenium Panz.
Camusia J. W. Lorch: = Acrachne Wight & Arn. ex Chiov.
Camusiella Bosser: =~ Setaria P. Beauv.
Canastra Morrone et al.
Candollea Steud.: = Agrostis L.
Capillipedium Stapf: List of Species in GRIN-CA.
Capriola Adans.: = Cynodon Rich.

List of Species in GRIN-CA.
Caryochloa Trin.: = Luziola Juss.
Caryochloa Spreng.: = Piptochaetium J. Presl

List of Species in GRIN-CA.
Caryophyllea Opiz: = Aira L.
Casiostega Galeotti, nom. inval.: = Bouteloua Lag.
Castellia Tineo: List of Species in GRIN-CA.
Catabrosa P. Beauv.: List of Species in GRIN-CA.
Catabrosella (Tzvelev) Tzvelev: =~ Colpodium Trin.

List of Species in GRIN-CA.
Catalepis Stapf & Stent
Catapodium Link: List of Species in GRIN-CA.
Catatherophora Steud.: = Pennisetum Rich.
Cathariostachys S. Dransf.
Cathestecum J. Presl: =~ Bouteloua Lag.

List of Species in GRIN-CA.
Celtica F. M. Vazquez & Barkworth: List of Species in GRIN-CA.
Cenchropsis Nash: = Cenchrus L.
Cenchrus L.: List of Species in GRIN-CA.
Centosteca Desv., orth. var.: = Centotheca Desv.
Centotheca Desv.: List of Species in GRIN-CA.
Centrochloa Swallen
Centrophorum Trin.: = Chrysopogon Trin.
Centropodia (R. Br.) Rchb.: List of Species in GRIN-CA.
Cephalochloa Coss. & Durieu, nom. inval.: = Ammochloa Boiss.
Cephalostachyum Munro: List of Species in GRIN-CA.
Ceratochaete Lunell: = Zizania L.
Ceratochloa P. Beauv.: =~ Bromus L.

List of Species in GRIN-CA.
Cerea Schltdl.: = Paspalum L.
Ceresia Pers.: = Paspalum L.

List of Species in GRIN-CA.
Ceytosis Munro, nom. inval.: = Crypsis Aiton
Chaboissaea E. Fourn.
Chaetaria P. Beauv.: = Aristida L.

List of Species in GRIN-CA.
Chaetium Nees
Chaetobromus Nees: List of Species in GRIN-CA.
Chaetochloa Scribn.: = Setaria P. Beauv.

List of Species in GRIN-CA.
Chaetopoa C. E. Hubb.
Chaetopogon Janch.
Chaetostichium C. E. Hubb.: =~ Oropetium Trin.
Chaetotropis Kunth: =~ Polypogon Desf.

List of Species in GRIN-CA.
Chaeturus Link: = Chaetopogon Janch.

List of Species in GRIN-CA.
Chalcoelytrum Lunell: = Chrysopogon Trin.
Chalynochlamys Franch., nom. inval.: = Arundinella Raddi
Chamaecalamus Meyen: = Calamagrostis Adans.
Chamaedactylis T. Nees: = Aeluropus Trin.
Chamaeraphis R. Br.: List of Species in GRIN-CA.
Chamagrostis Borkh.: = Mibora Adans.
Chandrasekharania V. J. Nair et al.
Chascolytrum Desv.: = Briza L.

List of Species in GRIN-CA.
Chasea Nieuwl., nom. inval.: = Panicum L.
Chasechloa A. Camus: = Echinolaena Desv.
Chasmanthium Link: List of Species in GRIN-CA.
Chasmopodium Stapf
Chauvinia Steud.: = Spartina Schreb.
Chennapyrum A. Love: = Aegilops L.

List of Species in GRIN-CA.
Chevalierella A. Camus
Chikusichloa Koidz.
Chilochloa P. Beauv.: = Phleum L.
Chimonobambusa Makino: List of Species in GRIN-CA.
Chimonocalamus J. R. Xue & T. P. Yi: List of Species in GRIN-CA.
Chionachne R. Br.: List of Species in GRIN-CA.
Chionochloa Zotov: List of Species in GRIN-CA.
Chloachne Stapf: = Poecilostachys Hack.
Chloammia Raf.: = Vulpia C. C. Gmel.
Chloothamnus Buse: = Nastus Juss.
Chloridion Stapf: = Stereochlaena Hack.

List of Species in GRIN-CA.
Chloridopsis Hack., nom. inval.: = Trichloris E. Fourn. ex Benth.
Chloris Sw.: List of Species in GRIN-CA.
Chlorocalymma Clayton
Chloroides Regel, nom. inval.: = Eustachys Desv.
Chloropsis Hack. ex Kuntze: = Trichloris E. Fourn. ex Benth.

List of Species in GRIN-CA.
Chlorostis Raf.: = Chloris Sw.
Chondrachyrum Nees: = Briza L.
Chondrochlaena Kuntze, orth. var.: = Prionanthium Desv.
Chondrolaena Nees: = Prionanthium Desv.
Chondrosum Desv.: =~ Bouteloua Lag.

List of Species in GRIN-CA.
Chretomeris Nutt. ex J. G. Sm., nom. inval.: = Elymus L.
Chrysochloa Swallen
Chrysopogon Trin.: List of Species in GRIN-CA.
Chrysurus Pers.: = Lamarckia Moench
Chumsriella Bor: = Germainia Balansa & Poitr.
Chusquea Kunth: List of Species in GRIN-CA.
Cinna L.: List of Species in GRIN-CA.
Cinnagrostis Griseb.: = Calamagrostis Adans.
Cinnastrum E. Fourn.: = Cinna L.
Cladoraphis Franch.
Claudia Opiz: = Melica L.
Clausospicula Lazarides
Clavinodum T. H. Wen: = Arundinaria Michx.
Cleachne Adans., nom. inval.: = Paspalum L.
Cleistachne Benth.: List of Species in GRIN-CA.
Cleistochloa C. E. Hubb.
Cleistogenes Keng, nom. inval.: = Kengia Packer

List of Species in GRIN-CA.
Cleomena Roem. & Schult., orth. var.: = Muhlenbergia Schreb.
Cliffordiochloa B. K. Simon
Clinelymus (Griseb.) Nevski: = Elymus L.

List of Species in GRIN-CA.
Clomena P. Beauv.: = Muhlenbergia Schreb.
Cockaynea Zotov: =~ Elymus L.

List of Species in GRIN-CA.
Codonachne Steud., nom. inval.: = Tetrapogon Desf.
Coelachne R. Br.
Coelachyropsis Bor: = Coelachyrum Hochst. & Nees
Coelachyrum Hochst. & Nees: List of Species in GRIN-CA.
Coelarthron Hook. f.: = Microstegium Nees
Coelochloa Steud., nom. inval.: = Coelachyrum Hochst. & Nees
Coelorachis Brongn.: =~ Mnesithea Kunth

List of Species in GRIN-CA.
Coix L.: List of Species in GRIN-CA.
Colanthelia McClure & E. W. Sm.
Coleanthus Seidl: List of Species in GRIN-CA.
Coleataenia Griseb.: = Panicum L.
Coliquea Steud. ex Bibra, nom. inval.: = Chusquea Kunth
Colladoa Cav.: = Ischaemum L.
Colobachne P. Beauv.: = Alopecurus L.
Colobanthium (Rchb.) G. Taylor, nom. inval.: = Avellinia Parl.

List of Species in GRIN-CA.
Colobanthus (Trin.) Spach: = Sphenopholis Scribn.
Colpodium Trin.: List of Species in GRIN-CA.
Commelinidium Stapf: =~ Acroceras Stapf
Comopyrum (Jaub. & Spach) A. Love: = Aegilops L.

List of Species in GRIN-CA.
Coridochloa Nees: = Alloteropsis J. Presl

List of Species in GRIN-CA.
Cornucopiae L.: List of Species in GRIN-CA.
Cortaderia Stapf: List of Species in GRIN-CA.
Corycarpus Spreng., orth. var.: = Diarrhena P. Beauv.
Corynephorus P. Beauv.: List of Species in GRIN-CA.
Costia Willk.: = Agropyron Gaertn.
Cottea Kunth: List of Species in GRIN-CA.
Craepalia Schrank: = Lolium L.
Craspedorhachis Benth.
Crassipes Swallen: = Sclerochloa P. Beauv.
Cremopyrum Schur, orth. var.: = Eremopyrum (Ledeb.) Jaub. & Spach
Criciuma Soderstr. & Londono
Crinipes Hochst.
Critesion Raf.: = Hordeum L.

List of Species in GRIN-CA.
Critho E. Mey.: = Hordeum L.
Crithodium Link: = Triticum L.

List of Species in GRIN-CA.
Crithopsis Jaub. & Spach: List of Species in GRIN-CA.
Crithopyrum Steud., nom. inval.: = Elymus L.
Crossotropis Stapf: = Trichoneura Andersson
Crypsinna E. Fourn.: = Muhlenbergia Schreb.
Crypsis Aiton: List of Species in GRIN-CA.
Cryptochloa Swallen
Cryptochloris Benth.: = Tetrapogon Desf.
Cryptopyrum Heynh., nom. inval.: = Elymus L.
Cryptostachys Steud.: = Sporobolus R. Br.
Crypturus Trin.: = Lolium L.
Ctenium Panz.: List of Species in GRIN-CA.
Ctenopsis De Not.
Curtopogon P. Beauv.: = Aristida L.
Cutandia Willk.: List of Species in GRIN-CA.
Cuviera Koeler: = Hordelymus (Jess.) Harz

List of Species in GRIN-CA.
Cyathopus Stapf
Cyathorhachis Nees ex Steud.
Cyclostachya Reeder & C. Reeder: =~ Bouteloua Lag.
Cycloteria Stapf, nom. inval.: = Mnesithea Kunth
Cylichnium Dulac: = Gaudinia P. Beauv.
Cylindropyrum (Jaub. & Spach) A. Love: = Aegilops L.

List of Species in GRIN-CA.
Cymatochloa Schltdl.: = Paspalum L.
Cymbanthelia Andersson, nom. inval.: = Cymbopogon Spreng.
Cymbopogon Spreng.: List of Species in GRIN-CA.
Cymbosetaria Schweick.: = Setaria P. Beauv.

List of Species in GRIN-CA.
Cynodon Rich.: List of Species in GRIN-CA.
Cynosurus L.: List of Species in GRIN-CA.
Cyperochloa Lazarides & L. Watson
Cyphochlaena Hack.
Cypholepis Chiov.: =~ Coelachyrum Hochst. & Nees

List of Species in GRIN-CA.
Cyphonanthus Zuloaga & Morrone: = Panicum L.
Cyrtochloa S. Dransf.
Cyrtococcum Stapf: List of Species in GRIN-CA.
Cyrtopogon Spreng., orth. var.: = Aristida L.
Czerniaevia Ledeb., nom. inval.: = Deschampsia P. Beauv.
Czernya C. Presl: = Phragmites Adans.
Dactilon Vill.: = Cynodon Rich.
Dactylis L.: List of Species in GRIN-CA.
Dactyloctenium Willd.: List of Species in GRIN-CA.
Dactylodes Kuntze: = Tripsacum L.
Dactylogramma Link: = Muhlenbergia Schreb.
Dactylus Asch., orth. var.: = Cynodon Rich.
Daknopholis Clayton
Dallwatsonia B. K. Simon
Dalucum Adans.: = Melica L.
Danthonia DC.: List of Species in GRIN-CA.
Danthoniastrum (Holub) Holub: =~ Metcalfia Conert
Danthonidium C. E. Hubb.
Danthoniopsis Stapf: List of Species in GRIN-CA.
Danthorhiza Ten., nom. inval.: = Helictotrichon Besser
Dasiola Raf.: = Vulpia C. C. Gmel.

List of Species in GRIN-CA.
Dasyochloa Willd. ex Rydb.: List of Species in GRIN-CA.
Dasypoa Pilg.: = Poa L.
Dasypyrum (Coss. & Durieu) T. Durand: List of Species in GRIN-CA.
Davidsea Soderstr. & R. P. Ellis
Davyella Hack.: = Neostapfia Burtt Davy
Decandolia Bastard: = Agrostis L.
Decaryella A. Camus
Decaryochloa A. Camus
Deina Alef.: = Triticum L.
Demazeria Dumort., orth. var.: = Desmazeria Dumort.
Dendragrostis Nees ex B. D. Jacks., nom. inval.: = Chusquea Kunth
Dendrocalamopsis (L. C. Chia & H. L. Fung) Q. H. Dai & X. L. Tao: = Bambusa Schreb.
Dendrocalamus Nees: List of Species in GRIN-CA.
Dendrochloa C. E. Parkinson: = Schizostachyum Nees

List of Species in GRIN-CA.
Deschampsia P. Beauv.: List of Species in GRIN-CA.
Desmazeria Dumort.: List of Species in GRIN-CA.
Desmostachya (Stapf) Stapf: List of Species in GRIN-CA.
Despretzia Kunth: = Zeugites P. Browne
Devauxia Kunth, nom. inval.: = Glyceria R. Br.
Deyeuxia Clarion ex P. Beauv.: =~ Calamagrostis Adans.

List of Species in GRIN-CA.
Diachroa Nutt.: = Leptochloa P. Beauv.
Diachyrium Griseb.: = Sporobolus R. Br.

List of Species in GRIN-CA.
Diacisperma Kuntze: = Leptochloa P. Beauv.
Diandranthus Liou, nom. inval.: = Miscanthus Andersson
Diandrochloa De Winter: =~ Eragrostis Wolf

List of Species in GRIN-CA.
Diandrolyra Stapf: List of Species in GRIN-CA.
Diandrostachya (C. E. Hubb.) Jacq.-Fel.: =~ Loudetiopsis Conert
Diarina Raf.: = Diarrhena P. Beauv.

List of Species in GRIN-CA.
Diarrhena P. Beauv.: List of Species in GRIN-CA.
Diastemenanthe Desv.: = Stenotaphrum Trin.
Dichaetaria Nees ex Steud.
Dichanthelium (Hitchc. & Chase) Gould: List of Species in GRIN-CA.
Dichanthium Willemet: List of Species in GRIN-CA.
Dichelachne Endl.: List of Species in GRIN-CA.
Dichromus Schltdl., nom. inval.: = Paspalum L.
Dictyochloa (Murb.) E. G. Camus: = Ammochloa Boiss.
Didactylon Zoll. & Moritzi: = Dimeria R. Br.
Didymochaeta Steud.: = Agrostis L.
Diectomis Kunth: =~ Andropogon L.

List of Species in GRIN-CA.
Diectomis P. Beauv.: = Anadelphia Hack.
Dielsiochloa Pilg.
Digastrium (Hack.) A. Camus
Digitaria Haller: List of Species in GRIN-CA.
Digitaria Heist. ex Fabr.: = Paspalum L.
Digitariella De Winter: = Digitaria Haller
Digitariopsis C. E. Hubb.: = Digitaria Haller
Dignathia Stapf
Digraphis Trin.: = Phalaris L.
Diheteropogon (Hack.) Stapf: List of Species in GRIN-CA.
Dilepyrum Michx.: = Muhlenbergia Schreb.
Dilepyrum Raf.: = Oryzopsis Michx.
Dileucaden (Raf.) Steud., nom. inval.: = Panicum L.
Dilophotriche (C. E. Hubb.) Jacq.-Fel.
Dimeiostemon Raf.: = Andropogon L.
Dimeria R. Br.: List of Species in GRIN-CA.
Dimesia Raf.: = Anthoxanthum L.
Dimorphochloa S. T. Blake: = Cleistochloa C. E. Hubb.
Dimorphostachys E. Fourn.: = Paspalum L.

List of Species in GRIN-CA.
Dinebra Jacq.: List of Species in GRIN-CA.
Dinochloa Buse: List of Species in GRIN-CA.
Diperium Desv.: = Mnesithea Kunth
Diplachne P. Beauv.: =~ Leptochloa P. Beauv.

List of Species in GRIN-CA.
Diplasanthum Desv.: = Dichanthium Willemet
Diplax Sol. ex Benn.: = Ehrharta Thunb.
Diplocea Raf.: = Triplasis P. Beauv.
Diplogon Poir., orth. var.: = Diplopogon R. Br.
Diplopogon R. Br.
Dipogon Steud., nom. inval.: = Sorghastrum Nash
Dipogonia P. Beauv.: = Diplopogon R. Br.
Diptychum Dulac: = Sesleria Scop.
Disakisperma Steud.: = Leptochloa P. Beauv.
Disarrenum Labill.: = Anthoxanthum L.
Dissanthelium Trin.: List of Species in GRIN-CA.
Dissochondrus (Hillebr.) Kuntze: List of Species in GRIN-CA.
Distichlis Raf.: List of Species in GRIN-CA.
Distomomischus Dulac: = Vulpia C. C. Gmel.
Doellochloa Kuntze: = Gymnopogon P. Beauv.
Dolichochaete (C. E. Hubb.) J. B. Phipps: = Tristachya Nees
Donacium Fr.: = Arundo L.
Donax P. Beauv.: = Arundo L.
Douglasdeweya C. Yen et al.
Drake-Brockmania Stapf
Dregeochloa Conert
Drepanostachyum Keng f.: List of Species in GRIN-CA.
Drymochloa Holub: = Festuca L.
Drymonaetes Fourr., nom. inval.: = Festuca L.
Dryopoa Vickery
Dupontia R. Br.: List of Species in GRIN-CA.
Duthiea Hack.: List of Species in GRIN-CA.
Dybowskia Stapf: = Hyparrhenia Andersson ex E. Fourn.
Eatonia Raf.: = Panicum L.
Eccoilopus Steud.: =~ Spodiopogon Trin.

List of Species in GRIN-CA.
Eccoptocarpha Launert
Echinalysium Trin.: = Elytrophorus P. Beauv.
Echinanthus Cerv.: = Tragus Haller
Echinaria Fabr.: = Cenchrus L.
Echinaria Desf.: List of Species in GRIN-CA.
Echinochlaena Spreng., orth. var.: = Echinolaena Desv.
Echinochloa P. Beauv.: List of Species in GRIN-CA.
Echinolaena Desv.: List of Species in GRIN-CA.
Echinopogon P. Beauv.: List of Species in GRIN-CA.
Ectosperma Swallen: = Swallenia Soderstr. & H. F. Decker

List of Species in GRIN-CA.
Ectrosia R. Br.: List of Species in GRIN-CA.
Ectrosiopsis (Ohwi) Jansen
Ehrharta Thunb.: List of Species in GRIN-CA.
Ehrhartia F. H. Wigg.: = Leersia Sw.
Ekmanochloa Hitchc.
Electra Panz.: = Schismus P. Beauv.
Eleusine Gaertn.: List of Species in GRIN-CA.
Elionurus Humb. & Bonpl. ex Willd.: List of Species in GRIN-CA.
X Elyhordeum Mansf. ex Tsitsin & K. A. Petrowa: [= Elymus × Hordeum]

List of Species in GRIN-CA.
X Elyleymus B. R. Baum: [= Elytrigia × Leymus]

List of Species in GRIN-CA.
Elymandra Stapf
X Elymordeum Lepage: = Elyhordeum Mansf. ex Tsitsin & K. A. Petrowa

List of Species in GRIN-CA.
X Elymotriticum P. Fourn.: [= Elymus × Triticum]

List of Species in GRIN-CA.
Elymus L.: List of Species in GRIN-CA.
Elymus Mitch.: = Zizania L.
Elyonurus Humb. & Bonpl. ex Willd., orth. var.: = Elionurus Humb. & Bonpl. ex Willd.

List of Species in GRIN-CA.
X Elysitanion Bowden: = Elymus L.
[= Elymus × Sitanion]
X Elytricum ined.: [provisional name created for unnamed intergeneric hybrid, Elytrigia × Triticum]

List of Species in GRIN-CA.
Elytrigia Desv.: =~ Elymus L.

List of Species in GRIN-CA.
X Elytriticale ined.: [provisional name created for unnamed intergeneric hybrid, Elytrigia × Triticum × Secale]

List of Species in GRIN-CA.
X Elytritilops ined.: [provisional name created for unnamed intergeneric hybrid, Elytrigia × Triticum × Aegilops]

List of Species in GRIN-CA.
Elytroblepharum (Steud.) Schltdl.: = Digitaria Haller
Elytrophorus P. Beauv.: List of Species in GRIN-CA.
Elytrostachys McClure: List of Species in GRIN-CA.
Endallex Raf.: = Phalaris L.
Endodia Raf.: = Leersia Sw.
Enneapogon Desv. ex P. Beauv.: List of Species in GRIN-CA.
Enodium Pers. ex Gaudin: = Molinia Schrank
Enteropogon Nees: List of Species in GRIN-CA.
Entolasia Stapf: List of Species in GRIN-CA.
Entoplocamia Stapf
Ephebopogon Steud., nom. inval.: = Microstegium Nees
Epicampes J. Presl: = Muhlenbergia Schreb.

List of Species in GRIN-CA.
Eragrostiella Bor: List of Species in GRIN-CA.
Eragrostis Wolf: List of Species in GRIN-CA.
Eremitis Doll
Eremium Seberg & Linde-Laursen: = Leymus Hochst.

List of Species in GRIN-CA.
Eremocaulon Soderstr. & Londono
Eremochlamys Peter: = Tricholaena Schrad.
Eremochloa Buse: List of Species in GRIN-CA.
Eremochloe S. Watson: = Blepharidachne Hack.

List of Species in GRIN-CA.
Eremopoa Roshev.: List of Species in GRIN-CA.
Eremopogon Stapf: = Dichanthium Willemet

List of Species in GRIN-CA.
Eremopyrum (Ledeb.) Jaub. & Spach: List of Species in GRIN-CA.
Eriachne R. Br.: List of Species in GRIN-CA.
Eriachne Phil.: = Digitaria Haller
Erianthecium Parodi: = Briza L.
Erianthus Michx.: =~ Saccharum L.

List of Species in GRIN-CA.
Erioblastus Honda: = Deschampsia P. Beauv.
Eriochaeta Fig. & De Not.: = Pennisetum Rich.
Eriochloa Kunth: List of Species in GRIN-CA.
Eriochrysis P. Beauv.: List of Species in GRIN-CA.
Eriocoma Nutt.: = Achnatherum P. Beauv.

List of Species in GRIN-CA.
Eriolytrum Kunth, nom. inval.: = Panicum L.
Erioneuron Nash: List of Species in GRIN-CA.
Eriopodium Hochst., nom. inval.: = Andropogon L.
Erochloe Raf.: = Eragrostis Wolf
Erosion Lunell: = Eragrostis Wolf
Erucaria Cerv.: = Bouteloua Lag.
Erythranthera Zotov: List of Species in GRIN-CA.
Euchlaena Schrad.: = Zea L.

List of Species in GRIN-CA.
Euclasta Franch.: List of Species in GRIN-CA.
Eudonax Fr.: = Arundo L.
Eufournia Reeder: = Sohnsia Airy Shaw
Euklastaxon Steud.: = Andropogon L.
Eulalia Kunth: List of Species in GRIN-CA.
Eulaliopsis Honda: List of Species in GRIN-CA.
Eupogon Desv., nom. inval.: = Andropogon L.
Euraphis (Trin.) Lindl.: = Boissiera Hochst. ex Steud.
Eustachys Desv.: List of Species in GRIN-CA.
Euthryptochloa Cope: = Phaenosperma Munro ex Benth.
Eutriana Trin.: = Bouteloua Lag.

List of Species in GRIN-CA.
Exagrostis Steud., nom. inval.: = Eragrostis Wolf
Exotheca Andersson
Exydra Endl.: = Glyceria R. Br.
Falimiria (Rchb.) Rchb.: = Gaudinia P. Beauv.
Falona Adans.: = Cynosurus L.
Fargesia Franch.: List of Species in GRIN-CA.
Farrago Clayton
Fartis Adans.: = Zizania L.
Fasciculochloa B. K. Simon & C. M. Weiller: = Steinchisma Raf.
Fendleria Steud.: = Oryzopsis Michx.
Ferrocalamus J. R. Xue & Keng f.: = Indocalamus Nakai
Festuca L.: List of Species in GRIN-CA.
Festucaria Link: = Vulpia C. C. Gmel.
Festucaria Heist. ex Fabr.: = Festuca L.
Festucella E. B. Alexeev
Festucopsis (C. E. Hubb.) Melderis
X Festulolium Asch. & Graebn.: [[= Festuca × Lolium]]

List of Species in GRIN-CA.
Fibichia Koeler: = Cynodon Rich.
Filipedium Raizada & S. K. Jain: = Capillipedium Stapf
Fingerhuthia Nees: List of Species in GRIN-CA.
Fiorinia Parl.: = Aira L.
Flavia Heist. ex Fabr.: = Anthoxanthum L.
Fluminia Fr.: = Scolochloa Link
Foenodorum E. H. L. Krause: = Anthoxanthum L.
Forasaccus Bubani: = Bromus L.
Fourniera Scribn.: = Bouteloua Lag.
Froesiochloa G. A. Black
Frumentum E. H. L. Krause: = Triticum L.
Fussia Schur: = Aira L.
Galeottia M. Martens & Galeotti, nom. inval.: = Zeugites P. Browne
Gamelythrum Nees: = Amphipogon R. Br.
Gaoligongshania D. Z. Li et al.
Garnotia Brongn.: List of Species in GRIN-CA.
Garnotiella Stapf: = Asthenochloa Buse
Gastridium P. Beauv.: List of Species in GRIN-CA.
Gastropyrum (Jaub. & Spach) A. Love: = Aegilops L.

List of Species in GRIN-CA.
Gaudinia P. Beauv.: List of Species in GRIN-CA.
Gaudiniopsis (Boiss.) Eig: = Ventenata Koeler

List of Species in GRIN-CA.
Gaudinopsis (Boiss.) Eig: = Ventenata Koeler
Gazachloa J. B. Phipps: = Danthoniopsis Stapf
Gelidocalamus T. H. Wen: = Indocalamus Nakai

List of Species in GRIN-CA.
Genea (Dumort.) Dumort.: = Bromus L.
Geopogon Steud., nom. inval.: = Chloris Sw.
Germainia Balansa & Poitr.: List of Species in GRIN-CA.
Gerritea Zuloaga et al.
Gigachilon Seidl: = Triticum L.

List of Species in GRIN-CA.
Gigantochloa Kurz ex Munro: List of Species in GRIN-CA.
Gilgiochloa Pilg.
Ginannia Bubani: = Holcus L.
Glandiloba (Raf.) Steud., nom. inval.: = Eriochloa Kunth
Glaziophyton Franch.
Glyceria R. Br.: List of Species in GRIN-CA.
Glyphochloa Clayton: List of Species in GRIN-CA.
Gnomonia Lunell: = Festuca L.
Goldbachia Trin.: = Arundinella Raddi
Gossweilerochloa Renvoize: = Tridens Roem. & Schult.
Gouinia E. Fourn.: List of Species in GRIN-CA.
Goulardia Husn.: = Elymus L.
Gouldochloa Valdes-Reyna et al.: =~ Chasmanthium Link
Gracilea J. Koenig ex Hook. f.: = Melanocenchris Nees

List of Species in GRIN-CA.
Gramen Krause: = Festuca L.
Gramen Seg.: = Secale L.
Gramerium Desv.: = Digitaria Haller
Graminastrum E. H. L. Krause: = Dissanthelium Trin.
Graphephorum Desv.: List of Species in GRIN-CA.
Graya Steud.: = Sphaerocaryum Nees ex Hook. f.
Greenia Nutt.: = Limnodea L. H. Dewey

List of Species in GRIN-CA.
Greslania Balansa
Griffithsochloa G. J. Pierce: =~ Bouteloua Lag.
Guadella Franch., orth. var.: = Guaduella Franch.
Guadua Kunth: List of Species in GRIN-CA.
Guaduella Franch.
Gymnachne Parodi: = Briza L.
Gymnandropogon (Nees) Duthie: = Bothriochloa Kuntze
Gymnanthelia Schweinf., nom. inval.: = Cymbopogon Spreng.
Gymnopogon P. Beauv.: List of Species in GRIN-CA.
Gymnostichum Schreb.: = Elymus L.

List of Species in GRIN-CA.
Gymnotrix P. Beauv.: = Pennisetum Rich.

List of Species in GRIN-CA.
Gynerium Willd. ex P. Beauv.: List of Species in GRIN-CA.
Habrochloa C. E. Hubb.
Habrurus Hochst., nom. inval.: = Elionurus Humb. & Bonpl. ex Willd.
Hackelia Vasey, nom. inval.: = Gouinia E. Fourn.
Hackelochloa Kuntze: =~ Mnesithea Kunth

List of Species in GRIN-CA.
Hainardia Greuter: List of Species in GRIN-CA.
Hakonechloa Makino ex Honda: List of Species in GRIN-CA.
Halochloa Griseb.: = Monanthochloe Engelm.

List of Species in GRIN-CA.
Halopyrum Stapf
Haplachne C. Presl: = Dimeria R. Br.
Harpachne Hochst. ex A. Rich.: List of Species in GRIN-CA.
Harpochloa Kunth: List of Species in GRIN-CA.
Haynaldia Schur: = Dasypyrum (Coss. & Durieu) T. Durand

List of Species in GRIN-CA.
Hekaterosachne Steud.: = Oplismenus P. Beauv.
Heleochloa Fr., nom. inval.: = Glyceria R. Br.
Heleochloa P. Beauv.: = Phleum L.
Heleochloa Host ex Roem.: = Crypsis Aiton

List of Species in GRIN-CA.
Helictotrichon Besser: List of Species in GRIN-CA.
Hellera Doll, nom. inval.: = Raddia Bertol.
Helleria E. Fourn.: = Festuca L.
Hellerochloa Rauschert: = Festuca L.
Helopus Trin.: = Eriochloa Kunth

List of Species in GRIN-CA.
Hemarthria R. Br.: List of Species in GRIN-CA.
Hemibromus Steud.: = Glyceria R. Br.
Hemigymnia Stapf: = Ottochloa Dandy
Hemimunroa Parodi: = Munroa Torr.
Hemisacris Steud.: = Schismus P. Beauv.
Hemisorghum C. E. Hubb.
Henrardia C. E. Hubb.: List of Species in GRIN-CA.
Heptaseta Koidz., nom. inval.: = Agrostis L.
Hesperochloa (Piper) Rydb.: = Festuca L.

List of Species in GRIN-CA.
Hesperostipa (Elias) Barkworth: List of Species in GRIN-CA.
Heterachne Benth.
Heteranthelium Hochst. ex Jaub. & Spach: List of Species in GRIN-CA.
Heteranthoecia Stapf
Heteranthus Borkh.: = Ventenata Koeler
Heterelytron Jungh.: = Themeda Forssk.
Heterocarpha Stapf & C. E. Hubb.: = Drake-Brockmania Stapf
Heterochaeta Besser ex Schult. & Schult. f.: = Ventenata Koeler
Heterochloa Desv.: = Andropogon L.
Heterolepis Boiss., nom. inval.: = Chloris Sw.
Heteropholis C. E. Hubb.: =~ Mnesithea Kunth
Heteropogon Pers.: List of Species in GRIN-CA.
Heterosteca Desv.: = Bouteloua Lag.
Heuffelia Schur: = Helictotrichon Besser
Hexarrhena C. Presl: = Hilaria Kunth
Hibanobambusa Maruy. & H. Okamura: List of Species in GRIN-CA.
Hickelia A. Camus
Hierochloe R. Br.: =~ Anthoxanthum L.

List of Species in GRIN-CA.
Hilaria Kunth: List of Species in GRIN-CA.
Himalayacalamus Keng f.: List of Species in GRIN-CA.
Hippagrostis Kuntze: = Oplismenus P. Beauv.
Hitchcockella A. Camus
Holboellia Hook.: = Lopholepis Decne.
Holcolemma Stapf & C. E. Hubb.
Holcus L.: List of Species in GRIN-CA.
Hologamium Nees: = Sehima Forssk.
Holosetum Steud.: = Alloteropsis J. Presl
Holttumochloa K. M. Wong
Homalachna Kuntze: = Holcus L.

List of Species in GRIN-CA.
Homalachne Kuntze: = Holcus L.
Homalocenchrus Mieg: = Leersia Sw.

List of Species in GRIN-CA.
Homoeatherum Nees: = Andropogon L.

List of Species in GRIN-CA.
Homoiachne Pilg.: = Deschampsia P. Beauv.
Homolepis Chase: List of Species in GRIN-CA.
Homopholis C. E. Hubb.: List of Species in GRIN-CA.
Homoplitis Trin.: = Pogonatherum P. Beauv.
Homopogon Stapf: = Trachypogon Nees
Homozeugos Stapf
Hookerochloa E. B. Alexeev: List of Species in GRIN-CA.
Hoplismenus Hassk., orth. var.: = Oplismenus P. Beauv.
X Hordale Cif. & Giacom.: [= Hordeum × Secale]

List of Species in GRIN-CA.
Hordelymus (Jess.) Harz: List of Species in GRIN-CA.
Hordeum L.: List of Species in GRIN-CA.
Hordeum L. Sect. Critesion: List of Species in GRIN-CA.
Hordeum L. Sect. Hordeum: List of Species in GRIN-CA.
Hordeum L. Sect. Sibirica: List of Species in GRIN-CA.
Hordeum L. Sect. Stenostachys: List of Species in GRIN-CA.
Houzeaubambus Mattei: = Oxytenanthera Munro
Hubbardia Bor
Hubbardochloa Auquier
Humbertochloa A. Camus & Stapf
Hyalopoa (Tzvelev) Tzvelev: =~ Colpodium Trin.
Hydrochloa Hartm.: = Glyceria R. Br.
Hydrochloa P. Beauv.: =~ Luziola Juss.

List of Species in GRIN-CA.
Hydropoa (Dumort.) Dumort.: = Glyceria R. Br.
Hydropyrum Link: = Zizania L.

List of Species in GRIN-CA.
Hydrothauma C. E. Hubb.
Hygrochloa Lazarides
Hygrorhiza Benth., orth. var.: = Hygroryza Nees
Hygroryza Nees
Hylebates Chippind.: List of Species in GRIN-CA.
Hymenachne P. Beauv.: List of Species in GRIN-CA.
Hymenothecium Lag.: = Aegopogon Humb. & Bonpl. ex Willd.
Hyparrhenia Andersson ex E. Fourn.: List of Species in GRIN-CA.
Hyperthelia Clayton: List of Species in GRIN-CA.
Hypogynium Nees: =~ Andropogon L.

List of Species in GRIN-CA.
Hypseochloa C. E. Hubb.
Hypudaerus A. Braun, nom. inval.: = Anthephora Schreb.
Hystericina Steud.: = Echinopogon P. Beauv.
Hystringium Steud., nom. inval.: = Tribolium Desv.
Hystrix Moench: = Elymus L.

List of Species in GRIN-CA.
Ichnanthus P. Beauv.: List of Species in GRIN-CA.
Imperata Cirillo: List of Species in GRIN-CA.
Indocalamus Nakai: List of Species in GRIN-CA.
Indochloa Bor: = Euclasta Franch.

List of Species in GRIN-CA.
Indopoa Bor
Indoryza A. N. Henry & B. Roy: = Porteresia Tateoka
Indosasa McClure
Ioackima Ten., orth. var.: = Beckmannia Host
Ipnum Phil.: = Leptochloa P. Beauv.
Irulia Bedd., nom. inval.: = Ochlandra Thwaites
Isachne R. Br.: List of Species in GRIN-CA.
Isalus J. B. Phipps: = Tristachya Nees
Ischaemopogon Griseb.: = Ischaemum L.
Ischaemum L.: List of Species in GRIN-CA.
Ischnanthus Roem. & Schult., orth. var.: = Ichnanthus P. Beauv.
Ischnochloa Hook. f.: =~ Microstegium Nees
Ischnurus Balf. f.: =~ Lepturus R. Br.
Ischurochloa Buse: = Bambusa Schreb.
Iseilema Andersson: List of Species in GRIN-CA.
Ixalum G. Forst., nom. inval.: = Spinifex L.

List of Species in GRIN-CA.
Ixophorus Schltdl.: List of Species in GRIN-CA.
Jacquesfelixia J. B. Phipps: = Danthoniopsis Stapf
Jansenella Bor
Jarava Ruiz & Pav.: List of Species in GRIN-CA.
Jardinea Steud.: =~ Phacelurus Griseb.
Joachima Ten.: = Beckmannia Host
Joannegria Chiov.: = Lintonia Stapf
Jouvea E. Fourn.
Joycea H. P. Linder: =~ Danthonia DC.
Kampmannia Steud.: = Cortaderia Stapf
Kampochloa Clayton
Kaokochloa De Winter
Karroochloa Conert & Turpe: List of Species in GRIN-CA.
Kengia Packer: List of Species in GRIN-CA.
Kengyilia C. Yen & J. L. Yang: = Elymus L.

List of Species in GRIN-CA.
Keniochloa Melderis: = Colpodium Trin.
Kerinozoma Steud.: = Xerochloa R. Br.
Kerriochloa C. E. Hubb.
Kielboul Adans.: = Aristida L.
Kiharapyrum A. Love: = Aegilops L.

List of Species in GRIN-CA.
Kikuyuochloa H. Scholz: =~ Pennisetum Rich.

List of Species in GRIN-CA.
Kinabaluchloa K. M. Wong
Klemachloa R. Parker: = Dendrocalamus Nees
Knappia Sm.: = Mibora Adans.
Koeleria Pers.: List of Species in GRIN-CA.
Koordersiochloa Merr.: = Streblochaete Hochst. ex Pilg.
Korycarpus Lag.: = Diarrhena P. Beauv.
Kralikia Coss. & Durieu: = Tripogon Roem. & Schult.
Kralikiella Batt. & Trab.: = Tripogon Roem. & Schult.
Kratzmannia Opiz, nom. inval.: = Agropyron Gaertn.
Krombholzia E. Fourn.: = Zeugites P. Browne
Ktenosachne Steud.: = Rostraria Trin.
Lachnagrostis Trin.: =~ Agrostis L.

List of Species in GRIN-CA.
Lachryma-jobi Ortega: = Coix L.
Lachrymaria Heist. ex Fabr.: = Coix L.
Lacryma Medik.: = Coix L.
Laertia Gromov, orth. var.: = Leersia Sw.
Lagurus L.: List of Species in GRIN-CA.
Lamarckia Moench: List of Species in GRIN-CA.
Lamarkia Moench, orth. var.: = Lamarckia Moench
Lamprothyrsus Pilg.: List of Species in GRIN-CA.
Langsdorffia Regel, nom. inval.: = Eustachys Desv.
Lappago Schreb.: = Tragus Haller

List of Species in GRIN-CA.
Lappagopsis Steud.: = Axonopus P. Beauv.
Lasiacis (Griseb.) Hitchc.: List of Species in GRIN-CA.
Lasiagrostis Link: = Stipa L.

List of Species in GRIN-CA.
Lasiochloa Kunth: = Tribolium Desv.

List of Species in GRIN-CA.
Lasiolytrum Steud.: = Arthraxon P. Beauv.
Lasiorhachis (Hack.) Stapf: = Saccharum L.

List of Species in GRIN-CA.
Lasiostega Benth., nom. inval.: = Bouteloua Lag.
Lasiotrichos Lehm., nom. inval.: = Fingerhuthia Nees
Lasiurus Boiss.: List of Species in GRIN-CA.
Laston Pau: = Festuca L.
Latipes Kunth: = Leptothrium Kunth

List of Species in GRIN-CA.
Lechlera Steud., nom. inval.: = Relchela Steud.
Lecomtella A. Camus
Leersia Sw.: List of Species in GRIN-CA.
Leiopoa Ohwi: = Festuca L.
Leleba Nakai: = Bambusa Schreb.

List of Species in GRIN-CA.
Lenormandia Steud., nom. inval.: = Chrysopogon Trin.
Lepargochloa Launert: =~ Loxodera Launert
Lepeocercis Trin.: = Dichanthium Willemet
Lepideilema Trin.: = Streptochaeta Schrad. ex Nees
Lepidopironia A. Rich.: = Tetrapogon Desf.
Lepidurus Janch., nom. inval.: = Parapholis C. E. Hubb.
Lepitoma Steud., nom. inval.: = Pleuropogon R. Br.
Lepiurus Dumort.: = Lepturus R. Br.
Leptagrostis C. E. Hubb.
Leptaspis R. Br.
Leptatherum Nees: = Microstegium Nees
Leptocanna L. C. Chia & H. L. Fung: =~ Schizostachyum Nees
Leptocarydion Hochst. ex Stapf
Leptocercus Raf.: = Lepturus R. Br.
Leptochloa P. Beauv.: List of Species in GRIN-CA.
Leptochloopsis H. O. Yates: =~ Uniola L.
Leptochloris Kuntze, nom. inval.: = Trichloris E. Fourn. ex Benth.
Leptocoryphium Nees: =~ Anthenantia P. Beauv.

List of Species in GRIN-CA.
Leptoloma Chase: = Digitaria Haller

List of Species in GRIN-CA.
Leptophyllochloa C. E. Calderon ex Nicora: = Koeleria Pers.
Leptopogon Roberty: = Andropogon L.
Leptosaccharum (Hack.) A. Camus: = Eriochrysis P. Beauv.
Leptostachys G. Mey.: = Leptochloa P. Beauv.
Leptothrium Kunth
Leptothrix (Dumort.) Dumort.: = Hordelymus (Jess.) Harz
Lepturella Stapf: = Oropetium Trin.
Lepturidium Hitchc. & Ekman
Lepturopetium Morat
Lepturopsis Steud.: = Olyra L.
Lepturus R. Br.: List of Species in GRIN-CA.
Lepyroxis E. Fourn., nom. inval.: = Muhlenbergia Schreb.
Lerchenfeldia Schur: = Deschampsia P. Beauv.
Lesourdia E. Fourn.: = Scleropogon Phil.
Leucophrys Rendle
Leucopoa Griseb.: = Festuca L.

List of Species in GRIN-CA.
X Leydeum Barkworth: [= Leymus × Hordeum]

List of Species in GRIN-CA.
Leymus Hochst.: List of Species in GRIN-CA.
Libertia Lej.: = Bromus L.
Libyella Pamp.
Limnas Trin.
Limnetis Rich.: = Spartina Schreb.
Limnodea L. H. Dewey: List of Species in GRIN-CA.
Limnopoa C. E. Hubb.
Lindbergella Bor
Lindbergia Bor: = Lindbergella Bor
Lingnania McClure: = Bambusa Schreb.

List of Species in GRIN-CA.
Linkagrostis Romero Garcia et al.: =~ Agrostis L.
Linosparton Adans.: = Lygeum Loefl. ex L.
Lintonia Stapf: List of Species in GRIN-CA.
Lithachne P. Beauv.
Lithagrostis Gaertn.: = Coix L.
Littledalea Hemsl.
Lloydia Delile: = Pennisetum Rich.
Lodicularia P. Beauv.: = Hemarthria R. Br.
Lojaconoa Gand.: = Festuca L.
Loliolum V. I. Krecz. & Bobrov: List of Species in GRIN-CA.
Lolium L.: List of Species in GRIN-CA.
Lombardochloa Roseng. & B. R. Arill.: =~ Briza L.
Lophachme Stapf, orth. var.: = Lophacme Stapf
Lophacme Stapf
Lophatherum Brongn.: List of Species in GRIN-CA.
Lophochlaena Nees: List of Species in GRIN-CA.
Lophochloa Rchb.: =~ Rostraria Trin.

List of Species in GRIN-CA.
Lopholepis Decne.
Lophopogon Hack.
Lophopyrum A. Love: = Thinopyrum A. Love

List of Species in GRIN-CA.
Lorenzochloa Reeder & C. Reeder: =~ Ortachne Nees ex Steud.
Loretia Duval-Jouve: = Vulpia C. C. Gmel.
Loudetia Hochst. ex Steud.: List of Species in GRIN-CA.
Loudetia Hochst. ex A. Braun: = Tristachya Nees
Loudetiopsis Conert
Louisiella C. E. Hubb. & J. Leonard
Loxodera Launert
Loxostachys Peter: = Pseudechinolaena Stapf
Loydia Delile, orth. var.: = Pennisetum Rich.
Lucaea Kunth: = Arthraxon P. Beauv.
Ludolfia Willd.: = Arundinaria Michx.

List of Species in GRIN-CA.
Luziola Juss.: List of Species in GRIN-CA.
Lycochloa Sam.
Lycurus Kunth: List of Species in GRIN-CA.
Lygeum Loefl. ex L.: List of Species in GRIN-CA.
Maclurochloa K. M. Wong
Maclurolyra C. E. Calderon & Soderstr.
Macroblepharus Phil.: = Eragrostis Wolf
Macrobriza (Tzvelev) Tzvelev: = Briza L.
Macrochaeta Steud.: = Pennisetum Rich.
Macrochloa Kunth: List of Species in GRIN-CA.
Macronax Raf.: = Arundinaria Michx.
Macrostachya A. Rich., nom. inval.: = Enteropogon Nees
Maillea Parl.: = Phleum L.
Maizilla Schltdl.: = Paspalum L.
Malacurus Nevski: = Leymus Hochst.
Maltebrunia Kunth
Malya Opiz: = Ventenata Koeler
Mandelorna Steud.: = Chrysopogon Trin.
Manisuris L.: List of Species in GRIN-CA.
Mapira Adans.: = Olyra L.
Massia Balansa: = Eriachne R. Br.
Matrella Pers.: = Zoysia Willd.
Matudacalamus F. Maek.: = Aulonemia Goudot
Mays Mill.: = Zea L.
Mayzea Raf.: = Zea L.
Medusather (Griseb.) P. Candargy: = Hordelymus (Jess.) Harz
Megalachne Steud.: List of Species in GRIN-CA.
Megaloprotachne C. E. Hubb.
Megastachya P. Beauv.: List of Species in GRIN-CA.
Megathyrsus (Pilg.) B. K. Simon & S. W. L. Jacobs: List of Species in GRIN-CA.
Melanocenchris Nees: List of Species in GRIN-CA.
Melica L.: List of Species in GRIN-CA.
Melinis P. Beauv.: List of Species in GRIN-CA.
Melinum Link: = Zizania L.
Melocalamus Benth.
Melocanna Trin.: List of Species in GRIN-CA.
Menstruocalamus T. P. Yi: List of Species in GRIN-CA.
Meoschium P. Beauv.: = Ischaemum L.
Merathrepta Raf.: = Danthonia DC.
Meringurus Murb.: = Gaudinia P. Beauv.
Merisachne Steud.: = Triplasis P. Beauv.
Merostachys Spreng.: List of Species in GRIN-CA.
Merxmuellera Conert: List of Species in GRIN-CA.
Mesosetum Steud.: List of Species in GRIN-CA.
Metasasa W. T. Lin: = Acidosasa C. D. Chu & C. S. Chao ex Keng f.
Metcalfia Conert
Mezochloa Butzin: = Alloteropsis J. Presl
Mibora Adans.: List of Species in GRIN-CA.
Micagrostis Juss., nom. inval.: = Mibora Adans.
Michelaria Dumort.: = Bromus L.
Micraira F. Muell.
Microbambus K. Schum.: = Guaduella Franch.
Microbriza Parodi ex Nicora & Rugolo: = Briza L.

List of Species in GRIN-CA.
Microcalamus Gamble: = Racemobambos Holttum
Microcalamus Franch.
Microchlaena Spreng., orth. var.: = Microlaena R. Br.
Microchloa R. Br.: List of Species in GRIN-CA.
Microlaena R. Br.: List of Species in GRIN-CA.
Micropogon Pfeiff.: = Microchloa R. Br.
Micropyropsis Romero Zarco & Cabezudo
Micropyrum (Gaudin) Link: List of Species in GRIN-CA.
Microstegium Nees: List of Species in GRIN-CA.
Microthuareia Thouars: = Thuarea Pers.
Miegia Pers.: = Arundinaria Michx.
Mildbraediochloa Butzin: =~ Melinis P. Beauv.
Miliarium Moench: = Milium L.
Miliastrum Fabr., nom. inval.: = Setaria P. Beauv.
Milium L.: List of Species in GRIN-CA.
Milium Adans.: = Panicum L.

List of Species in GRIN-CA.
Miphragtes Nieuwl., nom. inval.: = Phragmites Adans.
Miquelia Arn. & Nees: = Garnotia Brongn.
X Miscantharum ined.: [provisional name created for unnamed intergeneric hybrid, Miscanthus × Saccharum]

List of Species in GRIN-CA.
Miscanthidium Stapf: = Miscanthus Andersson

List of Species in GRIN-CA.
Miscanthus Andersson: List of Species in GRIN-CA.
Mitwabochloa J. B. Phipps: = Zonotriche (C. E. Hubb.) J. B. Phipps
Mnesithea Kunth: List of Species in GRIN-CA.
Mniochloa Chase
Moenchia Steud., nom. inval.: = Paspalum L.
Molinerella Rouy: = Periballia Trin.
Molineria Parl.: = Periballia Trin.
Molineriella Rouy: = Periballia Trin.
Molinia Schrank: List of Species in GRIN-CA.
Moliniopsis Hayata: = Molinia Schrank
Moliniopsis Gand., nom. inval.: = Kengia Packer
Monachather Steud.: List of Species in GRIN-CA.
Monachne P. Beauv.: = Panicum L.

List of Species in GRIN-CA.
Monachyron Parl.: = Melinis P. Beauv.
Monandraira Desv.: = Deschampsia P. Beauv.
Monanthochloe Engelm.: =~ Distichlis Raf.

List of Species in GRIN-CA.
Monathera Raf.: = Ctenium Panz.
Monelytrum Hack.: List of Species in GRIN-CA.
Monerma P. Beauv.: =~ Lepturus R. Br.

List of Species in GRIN-CA.
Monilia Gray, orth. var.: = Molinia Schrank
Monium Stapf: = Anadelphia Hack.
Monocera Elliott: = Ctenium Panz.
Monochaete Doll: = Gymnopogon P. Beauv.
Monocladus L. C. Chia et al.: = Bonia Balansa
Monocymbium Stapf: List of Species in GRIN-CA.
Monodia S. W. L. Jacobs
Monopogon C. Presl: = Tristachya Nees
Monostachya Merr.
Monostemon Henrard, nom. inval.: = Microbriza Parodi ex Nicora & Rugolo
Monroa Torr., orth. var.: = Munroa Torr.
Moorea Lem.: = Cortaderia Stapf
Moorochloa Veldkamp: List of Species in GRIN-CA.
Mosdenia Stent
Moulinsia Raf.: = Aristida L.
Muantijamvella J. B. Phipps: = Tristachya Nees
Muhlenbergia Schreb.: List of Species in GRIN-CA.
Munroa Torr.: List of Species in GRIN-CA.
Mustelia Steud.: = Chusquea Kunth
Mygalurus Link: = Vulpia C. C. Gmel.
Myriachaeta Moritzi: = Thysanolaena Nees
Myriocladus Swallen
Myriostachya (Benth.) Hook. f.
Nabelekia Roshev.: = Festuca L.
Narduretia Villar: = Vulpia C. C. Gmel.
Narduroides Rouy
Nardurus (Bluff et al.) Rchb.: = Vulpia C. C. Gmel.

List of Species in GRIN-CA.
Nardus L.: List of Species in GRIN-CA.
Narenga Bor: =~ Saccharum L.

List of Species in GRIN-CA.
Nassella (Trin.) E. Desv.: List of Species in GRIN-CA.
Nastus Lunell: = Cenchrus L.
Nastus Juss.: List of Species in GRIN-CA.
Natschia Bubani: = Nardus L.
Navicularia Raddi: = Ichnanthus P. Beauv.
Nazia Adans.: = Tragus Haller

List of Species in GRIN-CA.
Neeragrostis Bush: =~ Eragrostis Wolf

List of Species in GRIN-CA.
Neesiochloa Pilg.
Negria Chiov.: = Lintonia Stapf
Nemastachys Steud.: = Microstegium Nees
Nematopoa C. E. Hubb.
Neoaulacolepis Rauschert: = Calamagrostis Adans.
Neobambus Keng f., nom. inval.: = Sinobambusa Makino ex Nakai
Neobouteloua Gould
Neohouzeaua A. Camus: = Schizostachyum Nees
Neohusnotia A. Camus: = Acroceras Stapf
Neomicrocalamus Keng f.
Neomolinia Honda: = Diarrhena P. Beauv.
Neosasamorpha Tatew.: = Sasa Makino & Shibata
Neoschischkinia Tzvelev: = Agrostis L.
Neosinocalamus Keng f.: = Dendrocalamus Nees
Neostapfia Burtt Davy: List of Species in GRIN-CA.
Neostapfiella A. Camus
Nephelochloa Boiss.: List of Species in GRIN-CA.
Nestlera Steud., nom. inval.: = Bouteloua Lag.
Neurachne R. Br.: List of Species in GRIN-CA.
Neurolepis Meisn.
Neuropoa Clayton
Nevroctola Raf.: = Uniola L.
Nevroloma Raf.: = Glyceria R. Br.
Nevskiella Krecz. & Vved.: =~ Bromus L.

List of Species in GRIN-CA.
Neyraudia Hook. f.: List of Species in GRIN-CA.
Nipponobambusa Muroi: = Sasa Makino & Shibata
Nipponocalamus Nakai: = Arundinaria Michx.
Nivieria Ser.: = Triticum L.
Normanboria Butzin: = Acrachne Wight & Arn. ex Chiov.
Nothoholcus Nash: = Holcus L.
Notholcus Nash ex Hitchc.: = Holcus L.

List of Species in GRIN-CA.
Notochloe Domin
Notodanthonia Zotov: List of Species in GRIN-CA.
Notonema Raf.: = Agrostis L.
Nowodworskya C. Presl: = Polypogon Desf.
Ochlandra Thwaites: List of Species in GRIN-CA.
Ochthochloa Edgew.: List of Species in GRIN-CA.
Odontelytrum Hack.
Odyssea Stapf
Oedipachne Link, nom. inval.: = Eriochloa Kunth
Oligostachyum Z. P. Wang & G. H. Ye: =~ Arundinaria Michx.
Olmeca Soderstr.
Olyra L.: List of Species in GRIN-CA.
Omeiocalamus Keng f., nom. inval.: = Arundinaria Michx.
Onoea Franch. & Sav., nom. inval.: = Diarrhena P. Beauv.

List of Species in GRIN-CA.
Ophiochloa Filg. et al.
Ophismenus Poir., orth. var.: = Oplismenus P. Beauv.
Ophiurinella Desv.: = Stenotaphrum Trin.
Ophiuros C. F. Gaertn.: List of Species in GRIN-CA.
Opizia J. Presl: =~ Bouteloua Lag.

List of Species in GRIN-CA.
Oplismenopsis Parodi
Oplismenus P. Beauv.: List of Species in GRIN-CA.
Orcuttia Vasey: List of Species in GRIN-CA.
Oreiostachys Gamble: = Nastus Juss.
Oreobambos K. Schum.
Oreocalamus Keng: = Chimonobambusa Makino

List of Species in GRIN-CA.
Oreochloa Link
Oreopoa Gand., nom. inval.: = Poa L.
Orinus Hitchc.
Ornithocephalochloa Kurz: = Thuarea Pers.
Ornithospermum Dumoulin: = Echinochloa P. Beauv.
Oropetium Trin.
Orostachys Steud., nom. inval.: = Hordelymus (Jess.) Harz
Orrhopygium A. Love: = Aegilops L.

List of Species in GRIN-CA.
Ortachne Nees ex Steud.: List of Species in GRIN-CA.
Orthoclada P. Beauv.
Orthopogon R. Br.: = Oplismenus P. Beauv.
Orthoraphium Nees: = Stipa L.
Oryza L.: List of Species in GRIN-CA.
Oryza L. Sect. Australiensis: List of Species in GRIN-CA.
Oryza L. Sect. Brachyantha: List of Species in GRIN-CA.
Oryza L. Sect. Oryza
Oryza L. Sect. Oryza Series Latifoliae: List of Species in GRIN-CA.
Oryza L. Sect. Oryza Series Oryza: List of Species in GRIN-CA.
Oryza L. Sect. Padia
Oryza L. Sect. Padia Series Meyerianae: List of Species in GRIN-CA.
Oryza L. Sect. Padia Series Ridleyanae: List of Species in GRIN-CA.
Oryza L. Sect. Padia Series Schlechterianae: List of Species in GRIN-CA.
Oryzidium C. E. Hubb. & Schweick.
Oryzopsis Michx.: List of Species in GRIN-CA.
Osterdamia Neck. ex Kuntze: = Zoysia Willd.

List of Species in GRIN-CA.
Otachyrium Nees
Otatea (McClure & E. W. Sm.) C. E. Calderon & Soderstr.: List of Species in GRIN-CA.
Ottochloa Dandy: List of Species in GRIN-CA.
Oxyanthe Steud.: = Phragmites Adans.
Oxychloris Lazarides: List of Species in GRIN-CA.
Oxydenia Nutt.: = Leptochloa P. Beauv.
Oxyrhachis Pilg.
Oxytenanthera Munro: List of Species in GRIN-CA.
Pachea Steud., nom. inval.: = Crypsis Aiton
Padia Moritzi: = Oryza L.

List of Species in GRIN-CA.
Pallasia Scop.: = Crypsis Aiton
Paneion Lunell: = Poa L.
Panicastrella Moench: = Echinaria Desf.
Panicularia Heist. ex Fabr.: = Poa L.

List of Species in GRIN-CA.
Paniculum Ard., orth. var.: = Panicum L.
Panicum L.: List of Species in GRIN-CA.
Pantathera Phil.: = Megalachne Steud.

List of Species in GRIN-CA.
Pappagrostis Roshev.: = Stephanachne Keng
Pappophorum Schreb.: List of Species in GRIN-CA.
Pappostipa (Speg.) Romaschenko et al.
Paracolpodium (Tzvelev) Tzvelev: = Colpodium Trin.
Paractaenum P. Beauv.
Parafestuca E. B. Alexeev
Parahyparrhenia A. Camus
Paraneurachne S. T. Blake
Parapholis C. E. Hubb.: List of Species in GRIN-CA.
Paratheria Griseb.: List of Species in GRIN-CA.
Parectenium Stapf, orth. var.: = Paractaenum P. Beauv.
Pariana Aubl.
Parodiella Reeder & C. Reeder: = Ortachne Nees ex Steud.
Parodiochloa A. M. Molina: = Koeleria Pers.
Parodiochloa C. E. Hubb.: = Poa L.

List of Species in GRIN-CA.
Parodiolyra Soderstr. & Zuloaga
Parodiophyllochloa Zuloaga & Morrone: = Panicum L.

List of Species in GRIN-CA.
Parvotrisetum Chrtek: = Trisetaria Forssk.
X Pascoleymus Barkworth: [= Pascopyrum × Leymus]

List of Species in GRIN-CA.
Pascopyrum A. Love: = Elymus L.

List of Species in GRIN-CA.
Paspalanthium Desv.: = Paspalum L.
Paspalidium Stapf: = Setaria P. Beauv.

List of Species in GRIN-CA.
Paspalum L.: List of Species in GRIN-CA.
Patellocalamus W. T. Lin: = Ampelocalamus S. L. Chen et al.
Patis Ohwi: = Stipa L.
Patropyrum A. Love: = Aegilops L.

List of Species in GRIN-CA.
Pechea Lapeyr., nom. inval.: = Crypsis Aiton
Pectinaria (Benth.) Hack.: = Eremochloa Buse
Peltophorus Desv.: = Manisuris L.
Penicillaria Willd.: = Pennisetum Rich.

List of Species in GRIN-CA.
Peniculus Swallen: = Mesosetum Steud.
Pennisetum Rich.: List of Species in GRIN-CA.
Pentacraspedon Steud.: = Amphipogon R. Br.
Pentameris P. Beauv.
Pentapogon R. Br.
Pentarrhaphis Kunth: =~ Bouteloua Lag.
Pentaschistis (Nees) Spach: List of Species in GRIN-CA.
Pentastachya Steud., nom. inval.: = Pennisetum Rich.
Pentatherum Nabelek: = Agrostis L.
Pereilema J. Presl
Periballia Trin.
Peridictyon Seberg et al.
Perlaria Heist. ex Fabr.: = Aegilops L.
Perobachne C. Presl: = Themeda Forssk.
Perotis Aiton: List of Species in GRIN-CA.
Perrierbambus A. Camus
Perulifera A. Camus: = Pseudechinolaena Stapf
Petriella Zotov: = Zotovia Edgar & Connor
Petrina J. B. Phipps: = Danthoniopsis Stapf
Peyritschia E. Fourn.: = Trisetum Pers.

List of Species in GRIN-CA.
Phacellaria Steud., nom. inval.: = Chloris Sw.
Phacelurus Griseb.: List of Species in GRIN-CA.
Phaenanthoecium C. E. Hubb.
Phaenosperma Munro ex Benth.: List of Species in GRIN-CA.
Phalarella Boiss., nom. inval.: = Phleum L.
Phalaridantha St.-Lag.: = Phalaris L.
Phalaridium Nees & Meyen: = Dissanthelium Trin.
Phalaris L.: List of Species in GRIN-CA.
Phalaroides Wolf: =~ Phalaris L.

List of Species in GRIN-CA.
Phalona Dumort., orth. var.: = Cynosurus L.
Phanopyrum (Raf.) Nash: = Panicum L.

List of Species in GRIN-CA.
Pharus P. Browne: List of Species in GRIN-CA.
Pheidochloa S. T. Blake
Phippsia (Trin.) R. Br.: List of Species in GRIN-CA.
Phleum L.: List of Species in GRIN-CA.
Pholiurus Trin.: List of Species in GRIN-CA.
Phragmites Adans.: List of Species in GRIN-CA.
Phyllorachis Trimen
Phyllostachys Siebold & Zucc.: List of Species in GRIN-CA.
Pilgerochloa Eig: = Ventenata Koeler
Piptatherum P. Beauv.: List of Species in GRIN-CA.
Piptochaetium J. Presl: List of Species in GRIN-CA.
Piptophyllum C. E. Hubb.
Piptostachya (C. E. Hubb.) J. B. Phipps: = Zonotriche (C. E. Hubb.) J. B. Phipps
Piresia Swallen
Piresiella Judz. et al.
Pithecurus Kunth, nom. inval.: = Schizachyrium Nees
Plagiantha Renvoize
Plagiarthron P. A. Duvign., nom. inval.: = Loxodera Launert
Plagiochloa Adamson & Sprague: = Tribolium Desv.

List of Species in GRIN-CA.
Plagiolytrum Nees: = Tripogon Roem. & Schult.

List of Species in GRIN-CA.
Plagiosetum Benth.: =~ Paractaenum P. Beauv.

List of Species in GRIN-CA.
Planichloa B. K. Simon
Planotia Munro: = Neurolepis Meisn.
Plantinia Bubani: = Phleum L.
Platonia Kunth: = Neurolepis Meisn.
Plazerium Kunth, nom. inval.: = Eriochrysis P. Beauv.
Plectrachne Henrard: List of Species in GRIN-CA.
Pleiadelphia Stapf: = Elymandra Stapf
Pleioblastus Nakai: =~ Arundinaria Michx.

List of Species in GRIN-CA.
Pleiodon Rchb.: = Bouteloua Lag.
Pleioneura (C. E. Hubb.) J. B. Phipps: = Danthoniopsis Stapf
Pleopogon Nutt.: = Lycurus Kunth

List of Species in GRIN-CA.
Pleuraphis Torr.: List of Species in GRIN-CA.
Pleuroplitis Trin.: = Arthraxon P. Beauv.
Pleuropogon R. Br.: List of Species in GRIN-CA.
Plinthanthesis Steud.
Plotia Steud., nom. inval.: = Glyceria R. Br.
Poa L.: List of Species in GRIN-CA.
Poagris Raf.: = Poa L.
Poagrostis Stapf: = Pentaschistis (Nees) Spach
Poarion Rchb.: = Rostraria Trin.
Pobeguinea (Stapf) Jacq.-Fel.: = Anadelphia Hack.
Podagrostis (Griseb.) Scribn. & Merr.: = Agrostis L.

List of Species in GRIN-CA.
Podionapus Dulac: = Deschampsia P. Beauv.
Podophorus Phil.
Podopogon Raf.: = Piptochaetium J. Presl
Podosemum Desv.: = Muhlenbergia Schreb.

List of Species in GRIN-CA.
Poecilostachys Hack.
Pogochloa S. Moore: = Gouinia E. Fourn.
Pogonachne Bor
Pogonarthria Stapf: List of Species in GRIN-CA.
Pogonatherum P. Beauv.: List of Species in GRIN-CA.
Pogoneura Napper, orth. var.: = Pogononeura Napper
Pogonochloa C. E. Hubb.
Pogononeura Napper
Pogonopsis C. Presl: = Pogonatherum P. Beauv.
Pohlidium Davidse et al.
Poidium Nees: = Briza L.

List of Species in GRIN-CA.
Polevansia De Winter
Pollinia Trin.: = Microstegium Nees

List of Species in GRIN-CA.
Pollinia Spreng.: = Chrysopogon Trin.
Pollinidium Haines: = Eulaliopsis Honda
Polliniopsis Hayata
Polyantherix Nees: = Elymus L.
Polyanthus C. H. Hu & Y. C. Hu: = Arundinaria Michx.
Polyneura Peter: = Panicum L.
Polyodon Kunth: = Bouteloua Lag.

List of Species in GRIN-CA.
Polypogon Desf.: List of Species in GRIN-CA.
Polyraphis (Trin.) Lindl.: = Pappophorum Schreb.
Polyschistis C. Presl: = Bouteloua Lag.
Polytoca R. Br.: List of Species in GRIN-CA.
Polytrias Hack.: List of Species in GRIN-CA.
Pommereulla L. f.
Ponceletia Thouars: = Spartina Schreb.
Poranthera Raf.: = Sorghastrum Nash
Porroteranthe Steud.: = Glyceria R. Br.
Porteresia Tateoka: List of Species in GRIN-CA.
Potamochloa Griff.: = Hygroryza Nees
Potamophila R. Br.: List of Species in GRIN-CA.
Preissia Opiz, nom. inval.: = Avena L.
Pringleochloa Scribn.: =~ Bouteloua Lag.
Prionachne Nees: = Prionanthium Desv.
Prionanthium Desv.
Prosphysis Dulac: = Vulpia C. C. Gmel.
Prosphytochloa Schweick.
Psamma P. Beauv.: = Ammophila Host
Psammagrostis C. A. Gardner & C. E. Hubb.
Psammochloa Hitchc.
Psammophila Schult.: = Spartina Schreb.
Psammopyrum A. Love: = Thinopyrum A. Love

List of Species in GRIN-CA.
Psathyrostachys Nevski: List of Species in GRIN-CA.
Pseudanthistiria (Hack.) Hook. f.
Pseudarrhenatherum Rouy: =~ Arrhenatherum P. Beauv.
Pseudechinolaena Stapf: List of Species in GRIN-CA.
Pseudobambusa T. Q. Nguyen
Pseudobrachiaria Launert: = Brachiaria (Trin.) Griseb.
Pseudobromus K. Schum.: =~ Festuca L.

List of Species in GRIN-CA.
Pseudochaetochloa Hitchc.
Pseudocoix A. Camus: = Hickelia A. Camus
Pseudodanthonia Bor & C. E. Hubb.
Pseudodichanthium Bor: List of Species in GRIN-CA.
Pseudolasiacis (A. Camus) A. Camus: = Lasiacis (Griseb.) Hitchc.
Pseudopentameris Conert
Pseudophacelurus A. Camus: = Phacelurus Griseb.
Pseudophleum Dogan: =~ Phleum L.

List of Species in GRIN-CA.
Pseudopogonatherum A. Camus: List of Species in GRIN-CA.
Pseudoraphis Griff.
Pseudoroegneria (Nevski) A. Love: = Elymus L.

List of Species in GRIN-CA.
X Pseudoroelymus ined.: [provisional name created for unnamed intergeneric hybrid, Pseudoroegneria × Elymus]

List of Species in GRIN-CA.
X Pseudoroetrigia ined.: [provisional name created for unnamed intergeneric hybrid, Pseudoroegneria × Elytrigia]

List of Species in GRIN-CA.
Pseudoryza Griff.: = Leersia Sw.
Pseudosasa Makino ex Nakai: List of Species in GRIN-CA.
Pseudosecale (Godr.) Degen: = Dasypyrum (Coss. & Durieu) T. Durand
Pseudosorghum A. Camus
Pseudostachyum Munro: List of Species in GRIN-CA.
Pseudostreptogyne A. Camus: = Streblochaete Hochst. ex Pilg.
Pseudovossia A. Camus: = Phacelurus Griseb.
Pseudoxytenanthera Soderstr. & R. P. Ellis
Pseudozoysia Chiov.
Psilantha (K. Koch) Tzvelev: = Eragrostis Wolf
Psilathera Link: = Sesleria Scop.
Psilochloa Launert: = Panicum L.
Psilolemma S. M. Phillips
Psilopogon Hochst.: = Microstegium Nees
Psilostachys Steud.: = Dimeria R. Br.
Psilurus Trin.: List of Species in GRIN-CA.
Pterium Desv.: = Lamarckia Moench
Pterochlaena Chiov.: = Alloteropsis J. Presl
Pterochloris (A. Camus) A. Camus: = Chloris Sw.
Pteropodium Steud., nom. inval.: = Calamagrostis Adans.
Pterygostachyum Steud.: = Dimeria R. Br.
Ptilagrostis Griseb.: List of Species in GRIN-CA.
Ptiloneilema Steud.: = Melanocenchris Nees
Ptilonema Hook. f., orth. var.: = Melanocenchris Nees
Puccinellia Parl.: List of Species in GRIN-CA.
Puelia Franch.: List of Species in GRIN-CA.
Puliculum Haines: = Eulalia Kunth
Pyrrhanthera Zotov
Qiongzhuea Hsueh & T. P. Yi: =~ Chimonobambusa Makino

List of Species in GRIN-CA.
Rabdochloa P. Beauv.: = Leptochloa P. Beauv.
Racemobambos Holttum
Raddia Bertol.
Raddia Mazziari: = Crypsis Aiton
Raddiella Swallen
Raimundochloa A. M. Molina: = Koeleria Pers.
Ramosia Merr.: = Centotheca Desv.
Raram Adans.: = Cenchrus L.
Raspailia C. Presl, nom. inval.: = Polypogon Desf.
Rattraya J. B. Phipps: = Danthoniopsis Stapf
Ratzeburgia Kunth: =~ Mnesithea Kunth
Reana Brign.: = Zea L.
Rebentischia Opiz, nom. inval.: = Trisetum Pers.
Reboulea Kunth: = Sphenopholis Scribn.
Redfieldia Vasey: List of Species in GRIN-CA.
Reederochloa Soderstr. & H. F. Decker: =~ Distichlis Raf.
Rehia Fijten
Reimaria Humb. & Bonpl. ex Flugge: = Paspalum L.

List of Species in GRIN-CA.
Reimarochloa Hitchc.
Reitzia Swallen
Relchela Steud.: List of Species in GRIN-CA.
Rendlia Chiov.: =~ Microchloa R. Br.
Renvoizea Zuloaga & Morrone: = Panicum L.
Rettbergia Raddi: = Chusquea Kunth

List of Species in GRIN-CA.
Reynaudia Kunth
Rhachidospermum Vasey: = Jouvea E. Fourn.
Rhampholepis Stapf: = Sacciolepis Nash
Rhaphis Lour.: = Chrysopogon Trin.

List of Species in GRIN-CA.
Rheochloa Filg. et al.
Rhiniachne Steud., nom. inval.: = Thelepogon Roth ex Roem. & Schult.
Rhipidocladum McClure
Rhizocephalus Boiss.
Rhombolytrum Link: = Briza L.
Rhynchelythrum Nees, orth. var.: = Melinis P. Beauv.
Rhynchelytrum Nees: =~ Melinis P. Beauv.

List of Species in GRIN-CA.
Rhynchoryza Baill.: List of Species in GRIN-CA.
Rhytachne Desv. ex Ham.
Rhytidachne K. Schum., orth. var.: = Rhytachne Desv. ex Ham.
Richardsiella Elffers & Kenn.-O'Byrne
Riedelia Kunth, nom. inval.: = Arundinella Raddi
Ripidium Trin.: = Saccharum L.

List of Species in GRIN-CA.
Robynsiochloa Jacq.-Fel.: =~ Rottboellia L. f.
Roegneria K. Koch: =~ Elymus L.

List of Species in GRIN-CA.
Roemeria Roem. & Schult.: = Diarrhena P. Beauv.
Roshevitzia Tzvelev: = Eragrostis Wolf
Rostraria Trin.: List of Species in GRIN-CA.
Rothia Borkh.: = Mibora Adans.
Rottboellia L. f.: List of Species in GRIN-CA.
Roylea Steud., nom. inval.: = Melanocenchris Nees
Rubimons B. S. Sun & S. Wang: List of Species in GRIN-CA.
Rupestrina Prov.: = Trisetum Pers.
Rupichloa Salariato & Morrone: = Urochloa P. Beauv.
Rytidosperma Steud.: List of Species in GRIN-CA.
Rytilix Raf. ex Hitchc.: = Mnesithea Kunth

List of Species in GRIN-CA.
Sabsab Adans.: = Paspalum L.
Saccharifera Stokes: = Saccharum L.
Saccharum L.: List of Species in GRIN-CA.
Sacciolepis Nash: List of Species in GRIN-CA.
Salmasia Bubani: = Aira L.
Sanguinaria Bubani: = Digitaria Haller
Sanguinella Gleichen: = Digitaria Haller
Santia Savi: = Polypogon Desf.
Sarga Ewart: =~ Sorghum Moench

List of Species in GRIN-CA.
Sarocalamus Stapleton: List of Species in GRIN-CA.
Sartidia De Winter
Sasa Makino & Shibata: List of Species in GRIN-CA.
Sasaella Makino: = Sasa Makino & Shibata

List of Species in GRIN-CA.
Sasamorpha Nakai: = Sasa Makino & Shibata
Saugetia Hitchc. & Chase: =~ Enteropogon Nees
Savastana Schrank: = Anthoxanthum L.

List of Species in GRIN-CA.
Schaffnera Benth.: = Schaffnerella Nash
Schaffnerella Nash
X Schedolium Holub: = Festulolium Asch. & Graebn.
[= Schedonorus × Lolium]

List of Species in GRIN-CA.
X Schedololium Soreng & Terrell: = Festulolium Asch. & Graebn.
[= Schedonorus × Lolium]

List of Species in GRIN-CA.
Schedonnardus Steud.: List of Species in GRIN-CA.
Schedonorus P. Beauv.: =~ Festuca L.

List of Species in GRIN-CA.
Schellingia Steud.: = Aegopogon Humb. & Bonpl. ex Willd.
Schenckochloa J. J. Ortiz
Schirostachyum de Vriese, orth. var.: = Schizostachyum Nees
Schismus P. Beauv.: List of Species in GRIN-CA.
Schistachne Fig. & De Not.: = Stipagrostis Nees
Schizachne Hack.: List of Species in GRIN-CA.
Schizachyrium Nees: List of Species in GRIN-CA.
Schizopogon Rchb. ex Spreng.: = Schizachyrium Nees
Schizostachyum Nees: List of Species in GRIN-CA.
Schleropelta Buckley: = Hilaria Kunth
Schmidtia Steud. ex J. A. Schmidt: List of Species in GRIN-CA.
Schmidtia Tratt.: = Coleanthus Seidl

List of Species in GRIN-CA.
Schmiedtia Raf., orth. var.: = Coleanthus Seidl
Schnizleinia Steud., nom. inval.: = Boissiera Hochst. ex Steud.
Schoenanthus Adans.: = Ischaemum L.
Schoenefeldia Kunth
Schoenodorus Roem. & Schult., orth. var.: = Festuca L.
Schultesia Spreng.: = Eustachys Desv.
Sciadonardus Steud., nom. inval.: = Gymnopogon P. Beauv.
Scirpobambus Kuntze: = Oxytenanthera Munro
Sclerachne Torr. ex Trin.: = Limnodea L. H. Dewey
Sclerachne R. Br.: = Chionachne R. Br.

List of Species in GRIN-CA.
Sclerandrium Stapf & C. E. Hubb.: = Germainia Balansa & Poitr.
Sclerochloa P. Beauv.: List of Species in GRIN-CA.
Sclerodactylon Stapf
Sclerodeyeuxia Pilg.: = Calamagrostis Adans.
Sclerolaena A. Camus, nom. inval.: = Cyphochlaena Hack.
Sclerophyllum Griff.: = Porteresia Tateoka
Scleropoa Griseb.: = Catapodium Link

List of Species in GRIN-CA.
Scleropogon Phil.: List of Species in GRIN-CA.
Sclerostachya (Hack.) A. Camus: List of Species in GRIN-CA.
Scolochloa Link
Scolochloa Mert. & W. D. J. Koch: = Arundo L.
Scribneria Hack.
Scrotochloa Judz.
Scutachne Hitchc. & Chase
Secale L.: List of Species in GRIN-CA.
Secalidium Schur, nom. inval.: = Dasypyrum (Coss. & Durieu) T. Durand
Sehima Forssk.: List of Species in GRIN-CA.
Semeiostachys Drobow: = Elymus L.
Semiarundinaria Makino ex Nakai: List of Species in GRIN-CA.
Senisetum Honda: = Agrostis L.
Senites Adans.: = Zeugites P. Browne
Sennenia Sennen, nom. inval.: = Trisetaria Forssk.
Sericrostis Raf.: = Muhlenbergia Schreb.
Sericura Hassk.: = Pennisetum Rich.
Serigrostis Steud., orth. var.: = Muhlenbergia Schreb.
Serrafalcus Parl.: = Bromus L.

List of Species in GRIN-CA.
Sesleria Scop.: List of Species in GRIN-CA.
Sesleriella Deyl: = Sesleria Scop.
Setaria P. Beauv.: List of Species in GRIN-CA.
Setariopsis Scribn. ex Millsp.
Setiacis S. L. Chen & Y. X. Jin: =~ Panicum L.
Setosa Ewart: = Chamaeraphis R. Br.
Shibataea Makino ex Nakai: List of Species in GRIN-CA.
Sibertia Steud., orth. var.: = Bromus L.
Sieglingia Bernh.: =~ Danthonia DC.

List of Species in GRIN-CA.
Silentvalleya V. J. Nair et al.
Simplicia Kirk
Sinarundinaria Nakai: = Fargesia Franch.

List of Species in GRIN-CA.
Sinoarundinaria Ohwi: = Phyllostachys Siebold & Zucc.
Sinobambusa Makino ex Nakai: List of Species in GRIN-CA.
Sinocalamus McClure: = Dendrocalamus Nees

List of Species in GRIN-CA.
Sinochasea Keng: = Pseudodanthonia Bor & C. E. Hubb.
Sitanion Raf.: =~ Elymus L.

List of Species in GRIN-CA.
Sitopsis (Jaub. & Spach) A. Love: = Aegilops L.

List of Species in GRIN-CA.
Sitospelos Adans.: = Elymus L.
Smidetia Raf., orth. var.: = Coleanthus Seidl
Snowdenia C. E. Hubb.: List of Species in GRIN-CA.
Soderstromia C. V. Morton: =~ Bouteloua Lag.
Soejatmia K. M. Wong
Sohnsia Airy Shaw
Solenachne Steud.: = Spartina Schreb.
Solenophyllum Baill., nom. inval.: = Monanthochloe Engelm.
Sorghastrum Nash: List of Species in GRIN-CA.
Sorghum Moench: List of Species in GRIN-CA.
Sorghum Moench Sect. Chaetosorghum: List of Species in GRIN-CA.
Sorghum Moench Sect. Heterosorghum: List of Species in GRIN-CA.
Sorghum Moench Sect. Parasorghum: List of Species in GRIN-CA.
Sorghum Moench Sect. Sorghum: List of Species in GRIN-CA.
Sorghum Moench Sect. Stiposorghum: List of Species in GRIN-CA.
Sorgum Adans.: = Holcus L.
Sparteum P. Beauv., nom. inval.: = Stipa L.
Spartina Schreb.: List of Species in GRIN-CA.
Spartochloa C. E. Hubb.
Spartum P. Beauv., nom. inval.: = Lygeum Loefl. ex L.
Spathia Ewart
Spelta Wolf: = Triticum L.
Spermachiton Llanos: = Sporobolus R. Br.
Spermatochiton Pilg., orth. var.: = Sporobolus R. Br.
Sphaerella Bubani: = Airopsis Desv.
Sphaerium Kuntze: = Coix L.
Sphaerobambos S. Dransf.
Sphaerocaryum Nees ex Hook. f.
Spheneria Kuhlm.
Sphenopholis Scribn.: List of Species in GRIN-CA.
Sphenopus Trin.
Spinifex L.: List of Species in GRIN-CA.
Spirochloe Lunell: = Schedonnardus Steud.
Spirotheros Raf.: = Heteropogon Pers.
Spodiopogon Trin.: List of Species in GRIN-CA.
Sporichloe Pilg., orth. var.: = Schedonnardus Steud.
Sporobolus R. Br.: List of Species in GRIN-CA.
Stapfia Burtt Davy: = Neostapfia Burtt Davy
Stapfiola Kuntze: = Desmostachya (Stapf) Stapf

List of Species in GRIN-CA.
Stegosia Lour.: = Rottboellia L. f.

List of Species in GRIN-CA.
Steinchisma Raf.: List of Species in GRIN-CA.
Steirachne Ekman
Stelephuros Adans.: = Phleum L.
Stemmatospermum P. Beauv.: = Nastus Juss.
Stenochloa Nutt.: = Dissanthelium Trin.
Stenofestuca (Honda) Nakai: = Bromus L.
Stenostachys Turcz.: List of Species in GRIN-CA.
Stenotaphrum Trin.: List of Species in GRIN-CA.
Stephanachne Keng: List of Species in GRIN-CA.
Stereochlaena Hack.: List of Species in GRIN-CA.
Steudelella Honda: = Sphaerocaryum Nees ex Hook. f.
Steyermarkochloa Davidse & R. P. Ellis
Stiburus Stapf: =~ Eragrostis Wolf
Stilpnophleum Nevski: = Calamagrostis Adans.
Stipa L.: List of Species in GRIN-CA.
Stipagrostis Nees: List of Species in GRIN-CA.
Stipavena Vierh.: = Helictotrichon Besser
X Stiporyzopsis B. L. Johnson & Rogler: [[= Oryzopsis × Stipa]]

List of Species in GRIN-CA.
Streblochaete Hochst. ex Pilg.
Strephium Schrad. ex Nees: = Raddia Bertol.
Streptachne R. Br.: = Aristida L.
Streptia Rich. ex Hook. f., nom. inval.: = Streptogyna P. Beauv.
Streptia Doll, nom. inval.: = Streptogyna P. Beauv.
Streptochaeta Schrad. ex Nees: List of Species in GRIN-CA.
Streptogyna P. Beauv.
Streptolophus Hughes: List of Species in GRIN-CA.
Streptostachis Desv., orth. var.: = Streptostachys Desv.
Streptostachys Desv.
Strombodurus Steud., nom. inval.: = Bouteloua Lag.
Stupa Asch., orth. var.: = Stipa L.
Sturmia Hoppe: = Mibora Adans.
Stylagrostis Mez: = Calamagrostis Adans.
Styppeiochloa De Winter
Suardia Schrank: = Melinis P. Beauv.
Sucrea Soderstr.
Suddia Renvoize
Swallenia Soderstr. & H. F. Decker: List of Species in GRIN-CA.
Swallenochloa McClure: = Chusquea Kunth
Syllepis E. Fourn.: = Imperata Cirillo
Symbasiandra Steud., nom. inval.: = Hilaria Kunth
Symplectrodia Lazarides
Synaphe Dulac: = Catapodium Link
Syntherisma Walter: = Digitaria Haller

List of Species in GRIN-CA.
Taeniatherum Nevski: List of Species in GRIN-CA.
Taeniorhachis Cope
Talasium Spreng.: = Panicum L.
Tansaniochloa Rauschert: = Setaria P. Beauv.
Tarigidia Stent
Tatianyx Zuloaga & Soderstr.
Teinostachyum Munro
Tema Adans.: = Echinochloa P. Beauv.
Terrellia Lunell: = Elymus L.
Tetrachaete Chiov.
Tetrachne Nees: List of Species in GRIN-CA.
Tetragonocalamus Nakai: = Bambusa Schreb.
Tetrapogon Desf.: List of Species in GRIN-CA.
Tetrarrhena R. Br.
Thalysia Kuntze: = Zea L.
Thamnocalamus Munro: List of Species in GRIN-CA.
Thaumastochloa C. E. Hubb.: List of Species in GRIN-CA.
Thelepogon Roth ex Roem. & Schult.: List of Species in GRIN-CA.
Thellungia Stapf
Themeda Forssk.: List of Species in GRIN-CA.
Thinopyrum A. Love: = Elymus L.

List of Species in GRIN-CA.
Thorea Rouy: = Arrhenatherum P. Beauv.
Thoreochloa Holub: = Arrhenatherum P. Beauv.
Thouarsia Kuntze, orth. var.: = Thuarea Pers.
Thrasya Kunth
Thrasyopsis Parodi
Thrixgyne Keng: = Duthiea Hack.
Thuarea Pers.: List of Species in GRIN-CA.
Thurberia Benth.: = Limnodea L. H. Dewey
Thyridachne C. E. Hubb.
Thyridolepis S. T. Blake: List of Species in GRIN-CA.
Thyridostachyum Nees: = Mnesithea Kunth
Thyrsia Stapf: = Phacelurus Griseb.

List of Species in GRIN-CA.
Thyrsostachys Gamble: List of Species in GRIN-CA.
Thysanachne C. Presl: = Arundinella Raddi
Thysanolaena Nees: List of Species in GRIN-CA.
Tiarrhena (Maxim.) Nakai, orth. var.: = Miscanthus Andersson
Timouria Roshev.: = Stipa L.
Tinaea Garzia: = Lamarckia Moench
Tisserantiella Mimeur: = Thyridachne C. E. Hubb.
Torgesia Bornm.: = Crypsis Aiton
Torresia Ruiz & Pav.: = Anthoxanthum L.

List of Species in GRIN-CA.
Torreyochloa G. L. Church: List of Species in GRIN-CA.
Tosagris P. Beauv., nom. inval.: = Muhlenbergia Schreb.
Tovarochloa Macfarl. & But
Tozzettia Savi: = Alopecurus L.
Trachynia Link: = Brachypodium P. Beauv.

List of Species in GRIN-CA.
Trachynotia Michx.: = Spartina Schreb.
Trachyozus Rchb.: = Trachys Pers.

List of Species in GRIN-CA.
Trachypoa Bubani: = Dactylis L.
Trachypogon Nees: List of Species in GRIN-CA.
Trachys Pers.: List of Species in GRIN-CA.
Trachystachys A. Dietr.: = Trachys Pers.
Tragus Panz.: = Brachypodium P. Beauv.
Tragus Haller: List of Species in GRIN-CA.
Tremularia Heist. ex Fabr.: = Briza L.
Triachyrum Hochst.: = Sporobolus R. Br.
Triaena Kunth: = Bouteloua Lag.
Trianthium Desv., nom. inval.: = Chrysopogon Trin.
Triarrhena (Maxim.) Nakai: = Miscanthus Andersson

List of Species in GRIN-CA.
Triathera Desv.: = Bouteloua Lag.
Triatherus Raf.: = Ctenium Panz.
Triavenopsis P. Candargy: = Duthiea Hack.

List of Species in GRIN-CA.
Tribolium Desv.: List of Species in GRIN-CA.
Trichachne Nees: = Digitaria Haller

List of Species in GRIN-CA.
Trichaeta P. Beauv.: = Trisetaria Forssk.
Trichloris E. Fourn. ex Benth.: List of Species in GRIN-CA.
Trichochlaena Kuntze, orth. var.: = Tricholaena Schrad.
Trichochloa DC.: = Muhlenbergia Schreb.

List of Species in GRIN-CA.
Trichodium Michx.: = Agrostis L.
Trichodon Benth., orth. var.: = Phragmites Adans.
Tricholaena Schrad.: List of Species in GRIN-CA.
Trichoneura Andersson: List of Species in GRIN-CA.
Trichoon Roth: = Phragmites Adans.
Trichopteria Nees, orth. var.: = Trichopteryx Nees
Trichopteryx Nees: List of Species in GRIN-CA.
Trichopyrum A. Love: = Thinopyrum A. Love

List of Species in GRIN-CA.
Trichosantha Steud., nom. inval.: = Stipa L.
Tricuspis P. Beauv.: = Tridens Roem. & Schult.

List of Species in GRIN-CA.
Tridens Roem. & Schult.: List of Species in GRIN-CA.
Triglossum Fisch.: = Arundinaria Michx.
Trikeraia Bor
Trilobachne Schenck ex Henrard
Triniochloa Hitchc.: List of Species in GRIN-CA.
Triniusa Steud.: = Bromus L.
Triodia R. Br.: List of Species in GRIN-CA.
Triodon Baumg.: = Triodia R. Br.
Triphlebia Stapf: = Eragrostis Wolf
Triplachne Link
Triplasis P. Beauv.: List of Species in GRIN-CA.
Triplathera (Endl.) Lindl.: = Bouteloua Lag.
Triplopogon Bor
Tripogon Roem. & Schult.: List of Species in GRIN-CA.
Tripsacum L.: List of Species in GRIN-CA.
Tripsacum L. Sect. Fasciculata: List of Species in GRIN-CA.
Tripsacum L. Sect. Tripsacum: List of Species in GRIN-CA.
Triraphis R. Br.: List of Species in GRIN-CA.
Triscenia Griseb.
Trisetaria Forssk.
Trisetarium Poir.: = Trisetum Pers.
Trisetobromus Nevski: = Bromus L.
Trisetum Pers.: List of Species in GRIN-CA.
Trisiola Raf.: = Uniola L.
Tristachya Nees: List of Species in GRIN-CA.
Tristania Poir., nom. inval.: = Spartina Schreb.
Tristegis Nees, nom. inval.: = Melinis P. Beauv.
X Triticale Tscherm.-Seys. ex Muntzing: = Triticosecale Wittm. ex A. Camus

List of Species in GRIN-CA.
X Triticosecale Wittm. ex A. Camus: [[= Triticum × Secale]]

List of Species in GRIN-CA.
Triticum L.: List of Species in GRIN-CA.
Triticum L. Sect. Dicoccoidea: List of Species in GRIN-CA.
Triticum L. Sect. Monococcon: List of Species in GRIN-CA.
Triticum L. Sect. Triticum: List of Species in GRIN-CA.
X Tritordeum Asch. & Graebn.: [= Triticum × Hordeum]

List of Species in GRIN-CA.
Triunila Raf., nom. inval.: = Uniola L.
Trixostis Raf.: = Aristida L.
Trochera Rich.: = Ehrharta Thunb.
Tschompskia Asch. & Graebn., nom. inval.: = Arundinaria Michx.
Tuctoria Reeder: List of Species in GRIN-CA.
Turraya Wall., nom. inval.: = Leersia Sw.
Tylothrasya Doll: = Thrasya Kunth
Typhoides Moench: = Phalaris L.
Tzvelevia E. B. Alexeev
Unident-Poaceae: List of Species in GRIN-CA.
Uniola L.: List of Species in GRIN-CA.
Urachne Trin.: = Oryzopsis Michx.

List of Species in GRIN-CA.
Uralepis Nutt.: = Triplasis P. Beauv.

List of Species in GRIN-CA.
Uralepsis Nutt., orth. var.: = Triplasis P. Beauv.
Uranthoecium Stapf
Urelytrum Hack.: List of Species in GRIN-CA.
Urochlaena Nees: = Tribolium Desv.
Urochloa P. Beauv.: List of Species in GRIN-CA.
Urochondra C. E. Hubb.
Vacoparis Spangler: =~ Sorghum Moench
Vahlodea Fr.: = Deschampsia P. Beauv.

List of Species in GRIN-CA.
Valiha S. Dransf.
Valota Adans.: = Digitaria Haller

List of Species in GRIN-CA.
Vaseya Thurb.: = Muhlenbergia Schreb.
Vaseyochloa Hitchc.: List of Species in GRIN-CA.
Ventenata Koeler: List of Species in GRIN-CA.
Verinea Merino: = Melica L.
Veseyochloa J. B. Phipps: = Tristachya Nees
Vetiveria Bory: =~ Chrysopogon Trin.

List of Species in GRIN-CA.
Vietnamochloa Veldkamp & Nowack
Vietnamosasa T. Q. Nguyen: = Racemobambos Holttum
Viguierella A. Camus
Vilfa Adans.: = Agrostis L.

List of Species in GRIN-CA.
Vilfagrostis Doll, nom. inval.: = Eragrostis Wolf
Vossia Wall. & Griff.: List of Species in GRIN-CA.
Vulpia C. C. Gmel.: List of Species in GRIN-CA.
Vulpiella (Batt. & Trab.) Burollet
Walwhalleya ined.: = Whalleya K. E. Wills & J. J. Bruhl
Walwhalleya K. E. Wills & J. J. Bruhl: = Homopholis C. E. Hubb.

List of Species in GRIN-CA.
Wangenheimia Moench
Wasatchia M. E. Jones: = Festuca L.
Weingaertneria Bernh.: = Corynephorus P. Beauv.
Whalleya K. E. Wills & J. J. Bruhl: = Walwhalleya K. E. Wills & J. J. Bruhl

List of Species in GRIN-CA.
Whiteochloa C. E. Hubb.: List of Species in GRIN-CA.
Wiestia Boiss., nom. inval.: = Boissiera Hochst. ex Steud.
Wilhelmsia W. Koch: = Rostraria Trin.
Wilibalda Sternb. ex Roth: = Coleanthus Seidl
Willbleibia Herter: = Willkommia Hack.
Willkommia Hack.
Windsoria Nutt.: = Tridens Roem. & Schult.

List of Species in GRIN-CA.
Wirtgenia Doll, nom. inval.: = Paspalum L.
Woodrowia Stapf: = Dimeria R. Br.
Xanthanthos St.-Lag., orth. var.: = Anthoxanthum L.
Xanthonanthos St.-Lag., orth. var.: = Anthoxanthum L.
Xenochloa Roem. & Schult.: = Phragmites Adans.
Xerochloa R. Br.
Xerodanthia J. B. Phipps: = Danthoniopsis Stapf
Xiphagrostis Coville: = Miscanthus Andersson

List of Species in GRIN-CA.
Xyochlaena Stapf: = Tricholaena Schrad.
Xystidium Trin.: = Perotis Aiton
Yadakeya Makino: = Pseudosasa Makino ex Nakai
Yakirra Lazarides & R. D. Webster: List of Species in GRIN-CA.
Ystia Compere: =~ Schizachyrium Nees
Yushania Keng f.: List of Species in GRIN-CA.
Yvesia A. Camus
Zea L.: List of Species in GRIN-CA.
Zeia Lunell: = Triticum L.
Zenkeria Trin.
Zeocriton Wolf: = Hordeum L.
Zerna Panz.: = Vulpia C. C. Gmel.
Zeugites P. Browne
Zingeria P. A. Smirn.: List of Species in GRIN-CA.
Zingeriopsis Prob.: = Zingeria P. A. Smirn.
Zizania L.: List of Species in GRIN-CA.
Zizaniopsis Doll & Asch.: List of Species in GRIN-CA.
Zonotriche (C. E. Hubb.) J. B. Phipps
Zotovia Edgar & Connor
Zoydia Pers., orth. var.: = Zoysia Willd.
Zoysia Willd.: List of Species in GRIN-CA.
Zuloagaea Bess: List of Species in GRIN-CA.
Zygochloa S. T. Blake