| Acrachne Wight & Arn. ex Chiov. | | a | | Acrachne Wight & Arn. ex Chiov. | | Poaceae |
| Acroxis Steud., nom. inval. | Muhlenbergia Schreb. | | | Acroxis Steud., nom. inval. | Muhlenbergia Schreb. | Poaceae |
| Actinochloa Roem. & Schult. | Bouteloua Lag. | | | Actinochloa Roem. & Schult. | Bouteloua Lag. | Poaceae |
| Actinochloris Steud., nom. inval. | Chloris Sw. | | | Actinochloris Steud., nom. inval. | Chloris Sw. | Poaceae |
| Aegopogon Humb. & Bonpl. ex Willd. | Muhlenbergia Schreb. | | | Aegopogon Humb. & Bonpl. ex Willd. | Muhlenbergia Schreb. | Poaceae |
| Aelbroeckia De Moor | Aeluropus Trin. | | | Aelbroeckia De Moor | Aeluropus Trin. | Poaceae |
| Aeluropus Trin. | | a | | Aeluropus Trin. | | Poaceae |
| Afrotrichloris Chiov. | | a | | Afrotrichloris Chiov. | | Poaceae |
| Agrostomia Cerv. | Chloris Sw. | | | Agrostomia Cerv. | Chloris Sw. | Poaceae |
| Alloiatheros Raf. | Gymnopogon P. Beauv. | | | Alloiatheros Raf. | Gymnopogon P. Beauv. | Poaceae |
| Allolepis Soderstr. & H. F. Decker | | a | | Allolepis Soderstr. & H. F. Decker | | Poaceae |
| Anoplia Steud., nom. inval. | Leptochloa P. Beauv. | | | Anoplia Steud., nom. inval. | Leptochloa P. Beauv. | Poaceae |
| Anthipsimus Raf. | Muhlenbergia Schreb. | | | Anthipsimus Raf. | Muhlenbergia Schreb. | Poaceae |
| Anthopogon Nutt. | Gymnopogon P. Beauv. | | | Anthopogon Nutt. | Gymnopogon P. Beauv. | Poaceae |
| Antichloa Steud., nom. inval. | Bouteloua Lag. | | | Antichloa Steud., nom. inval. | Bouteloua Lag. | Poaceae |
| Antonella Caro | Tridens Roem. & Schult. | | | Antonella Caro | Tridens Roem. & Schult. | Poaceae |
| Aplocera Raf., nom. inval. | Ctenium Panz. | | | Aplocera Raf., nom. inval. | Ctenium Panz. | Poaceae |
| Apogon Steud., nom. inval. | Chloris Sw. | | | Apogon Steud., nom. inval. | Chloris Sw. | Poaceae |
| Apochiton C. E. Hubb. | Coelachyrum Hochst. & Nees | | | Apochiton C. E. Hubb. | Coelachyrum Hochst. & Nees | Poaceae |
| Arcangelina Kuntze | Tripogon Roem. & Schult. | | | Arcangelina Kuntze | Tripogon Roem. & Schult. | Poaceae |
| Aristidium (Endl.) Lindl. | Bouteloua Lag. | | | Aristidium (Endl.) Lindl. | Bouteloua Lag. | Poaceae |
| Arthrochlaena Benth., nom. inval. | Sclerodactylon Stapf | | | Arthrochlaena Benth., nom. inval. | Sclerodactylon Stapf | Poaceae |
| Arthrochloa J. W. Lorch | Acrachne Wight & Arn. ex Chiov. | | | Arthrochloa J. W. Lorch | Acrachne Wight & Arn. ex Chiov. | Poaceae |
| Astrebla F. Muell. ex Benth. | | a | | Astrebla F. Muell. ex Benth. | | Poaceae |
| Atherophora Steud., nom. inval. | Muhlenbergia Schreb. | | | Atherophora Steud., nom. inval. | Muhlenbergia Schreb. | Poaceae |
| Atheropogon Muhl. ex Willd. | Bouteloua Lag. | | | Atheropogon Muhl. ex Willd. | Bouteloua Lag. | Poaceae |
| Austrochloris Lazarides | | a | | Austrochloris Lazarides | | Poaceae |
| Baldomiria Herter | Leptochloa P. Beauv. | | | Baldomiria Herter | Leptochloa P. Beauv. | Poaceae |
| Bealia Scribn. | Muhlenbergia Schreb. | | | Bealia Scribn. | Muhlenbergia Schreb. | Poaceae |
| Bewsia Gooss. | | a | | Bewsia Gooss. | | Poaceae |
| Biatherium Desv. | Gymnopogon P. Beauv. | | | Biatherium Desv. | Gymnopogon P. Beauv. | Poaceae |
| Blepharidachne Hack. | | a | | Blepharidachne Hack. | | Poaceae |
| Blepharoneuron Nash | Muhlenbergia Schreb. | | | Blepharoneuron Nash | Muhlenbergia Schreb. | Poaceae |
| Botelua Lag., orth. var. | Bouteloua Lag. | | | Botelua Lag., orth. var. | Bouteloua Lag. | Poaceae |
| Bouteloua Lag. | | a | | Bouteloua Lag. | | Poaceae |
| Bouteloua Lag. sect. Barbata | | a | i | Bouteloua Lag. sect. Barbata | | Poaceae |
| Bouteloua Lag. sect. Bouteloua | | a | i | Bouteloua Lag. sect. Bouteloua | | Poaceae |
| Bouteloua Lag. sect. Buchloe | | a | i | Bouteloua Lag. sect. Buchloe | | Poaceae |
| Bouteloua Lag. sect. Cyclostachya | | a | i | Bouteloua Lag. sect. Cyclostachya | | Poaceae |
| Bouteloua Lag. sect. Hirsuta | | a | i | Bouteloua Lag. sect. Hirsuta | | Poaceae |
| Bouteloua Lag. sect. Hirsuta subsect. Eriopoda | | a | i | Bouteloua Lag. sect. Hirsuta subsect. Eriopoda | | Poaceae |
| Bouteloua Lag. sect. Hirsuta subsect. Hirsuta | | a | i | Bouteloua Lag. sect. Hirsuta subsect. Hirsuta | | Poaceae |
| Bouteloua Lag. sect. Chondrosum | | a | i | Bouteloua Lag. sect. Chondrosum | | Poaceae |
| Bouteloua Lag. sect. Opizia | | a | i | Bouteloua Lag. sect. Opizia | | Poaceae |
| Bouteloua Lag. sect. Triathera | | a | i | Bouteloua Lag. sect. Triathera | | Poaceae |
| Bouteloua Lag. sect. Trifida | | a | i | Bouteloua Lag. sect. Trifida | | Poaceae |
| Bracteola Swallen, nom. inval. | Chrysochloa Swallen | | | Bracteola Swallen, nom. inval. | Chrysochloa Swallen | Poaceae |
| Brachyachne (Benth.) Stapf | Cynodon Rich. | | | Brachyachne (Benth.) Stapf | Cynodon Rich. | Poaceae |
| Brachychloa S. M. Phillips | | a | | Brachychloa S. M. Phillips | | Poaceae |
| Buchloe Engelm. | Bouteloua Lag. | | | Buchloe Engelm. | Bouteloua Lag. | Poaceae |
| Buchlomimus Reeder et al. | Bouteloua Lag. | | | Buchlomimus Reeder et al. | Bouteloua Lag. | Poaceae |
| Bulbilis Raf. ex Kuntze | Bouteloua Lag. | | | Bulbilis Raf. ex Kuntze | Bouteloua Lag. | Poaceae |
| Calamochloa E. Fourn. | Sohnsia Airy Shaw | | | Calamochloa E. Fourn. | Sohnsia Airy Shaw | Poaceae |
| Calanthera Hook., nom. inval. | Bouteloua Lag. | | | Calanthera Hook., nom. inval. | Bouteloua Lag. | Poaceae |
| Calycodon Nutt. | Muhlenbergia Schreb. | | | Calycodon Nutt. | Muhlenbergia Schreb. | Poaceae |
| Campuloa Desv., orth. var. | Ctenium Panz. | | | Campuloa Desv., orth. var. | Ctenium Panz. | Poaceae |
| Campulosus Desv. | Ctenium Panz. | | | Campulosus Desv. | Ctenium Panz. | Poaceae |
| Camusia J. W. Lorch | Acrachne Wight & Arn. ex Chiov. | | | Camusia J. W. Lorch | Acrachne Wight & Arn. ex Chiov. | Poaceae |
| Capriola Adans. | Cynodon Rich. | | | Capriola Adans. | Cynodon Rich. | Poaceae |
| Casiostega Galeotti, nom. inval. | Bouteloua Lag. | | | Casiostega Galeotti, nom. inval. | Bouteloua Lag. | Poaceae |
| Cathestecum J. Presl | Bouteloua Lag. | | | Cathestecum J. Presl | Bouteloua Lag. | Poaceae |
| Cleistogenes Keng | | a | | Cleistogenes Keng | | Poaceae |
| Cleomena Roem. & Schult., orth. var. | Muhlenbergia Schreb. | | | Cleomena Roem. & Schult., orth. var. | Muhlenbergia Schreb. | Poaceae |
| Clomena P. Beauv. | Muhlenbergia Schreb. | | | Clomena P. Beauv. | Muhlenbergia Schreb. | Poaceae |
| Codonachne Steud., nom. inval. | Tetrapogon Desf. | | | Codonachne Steud., nom. inval. | Tetrapogon Desf. | Poaceae |
| Coelachyropsis Bor | Coelachyrum Hochst. & Nees | | | Coelachyropsis Bor | Coelachyrum Hochst. & Nees | Poaceae |
| Coelachyrum Hochst. & Nees | | a | | Coelachyrum Hochst. & Nees | | Poaceae |
| Coelochloa Steud., nom. inval. | Coelachyrum Hochst. & Nees | | | Coelochloa Steud., nom. inval. | Coelachyrum Hochst. & Nees | Poaceae |
| Craspedorhachis Benth. | | a | | Craspedorhachis Benth. | | Poaceae |
| Crossotropis Stapf | Trichoneura Andersson | | | Crossotropis Stapf | Trichoneura Andersson | Poaceae |
| Crypsinna E. Fourn. | Muhlenbergia Schreb. | | | Crypsinna E. Fourn. | Muhlenbergia Schreb. | Poaceae |
| Cryptochloris Benth. | Tetrapogon Desf. | | | Cryptochloris Benth. | Tetrapogon Desf. | Poaceae |
| Ctenium Panz. | | a | | Ctenium Panz. | | Poaceae |
| Cyclostachya Reeder & C. Reeder | Bouteloua Lag. | | | Cyclostachya Reeder & C. Reeder | Bouteloua Lag. | Poaceae |
| Cynodon Rich. | | a | | Cynodon Rich. | | Poaceae |
| Cypholepis Chiov. | Disakisperma Steud. | | | Cypholepis Chiov. | Disakisperma Steud. | Poaceae |
| Dactilon Vill. | Cynodon Rich. | | | Dactilon Vill. | Cynodon Rich. | Poaceae |
| Dactyloctenium Willd. | | a | | Dactyloctenium Willd. | | Poaceae |
| Dactylogramma Link | Muhlenbergia Schreb. | | | Dactylogramma Link | Muhlenbergia Schreb. | Poaceae |
| Dactylus Asch., orth. var. | Cynodon Rich. | | | Dactylus Asch., orth. var. | Cynodon Rich. | Poaceae |
| Daknopholis Clayton | | a | | Daknopholis Clayton | | Poaceae |
| Dasyochloa Willd. ex Rydb. | | a | | Dasyochloa Willd. ex Rydb. | | Poaceae |
| Davyella Hack. | Neostapfia Burtt Davy | | | Davyella Hack. | Neostapfia Burtt Davy | Poaceae |
| Decaryella A. Camus | | a | | Decaryella A. Camus | | Poaceae |
| Desmostachya (Stapf) Stapf | | a | | Desmostachya (Stapf) Stapf | | Poaceae |
| Diacisperma Kuntze | Leptochloa P. Beauv. | | | Diacisperma Kuntze | Leptochloa P. Beauv. | Poaceae |
| Diachroa Nutt. | Leptochloa P. Beauv. | | | Diachroa Nutt. | Leptochloa P. Beauv. | Poaceae |
| Dignathia Stapf | | a | | Dignathia Stapf | | Poaceae |
| Dilepyrum Michx. | Muhlenbergia Schreb. | | | Dilepyrum Michx. | Muhlenbergia Schreb. | Poaceae |
| Dinebra Jacq. | | a | | Dinebra Jacq. | | Poaceae |
| Diplachne P. Beauv. | | a | | Diplachne P. Beauv. | | Poaceae |
| Diplocea Raf. | Triplasis P. Beauv. | | | Diplocea Raf. | Triplasis P. Beauv. | Poaceae |
| Disakisperma Steud. | | a | | Disakisperma Steud. | | Poaceae |
| Distichlis Raf. | | a | | Distichlis Raf. | | Poaceae |
| Doellochloa Kuntze | Gymnopogon P. Beauv. | | | Doellochloa Kuntze | Gymnopogon P. Beauv. | Poaceae |
| Drake-brockmania Stapf | Dinebra Jacq. | | | Drake-brockmania Stapf | Dinebra Jacq. | Poaceae |
| Ectosperma Swallen | Swallenia Soderstr. & H. F. Decker | | | Ectosperma Swallen | Swallenia Soderstr. & H. F. Decker | Poaceae |
| Echinanthus Cerv. | Tragus Haller | | | Echinanthus Cerv. | Tragus Haller | Poaceae |
| Eleusine Gaertn. | | a | | Eleusine Gaertn. | | Poaceae |
| Enteropogon Nees | | a | | Enteropogon Nees | | Poaceae |
| Enteropogonopsis Wipff & Shaw | Tetrapogon Desf. | | | Enteropogonopsis Wipff & Shaw | Tetrapogon Desf. | Poaceae |
| Epicampes J. Presl | Muhlenbergia Schreb. | | | Epicampes J. Presl | Muhlenbergia Schreb. | Poaceae |
| Eragrostiella Bor | | a | | Eragrostiella Bor | | Poaceae |
| Eremochloe S. Watson | Blepharidachne Hack. | | | Eremochloe S. Watson | Blepharidachne Hack. | Poaceae |
| Erioneuron Nash | | a | | Erioneuron Nash | | Poaceae |
| Erucaria Cerv. | Bouteloua Lag. | | | Erucaria Cerv. | Bouteloua Lag. | Poaceae |
| Eufournia Reeder | Sohnsia Airy Shaw | | | Eufournia Reeder | Sohnsia Airy Shaw | Poaceae |
| Eustachys Desv. | | a | | Eustachys Desv. | | Poaceae |
| Eutriana Trin. | Bouteloua Lag. | | | Eutriana Trin. | Bouteloua Lag. | Poaceae |
| Farrago Clayton | | a | | Farrago Clayton | | Poaceae |
| Fibichia Koeler | Cynodon Rich. | | | Fibichia Koeler | Cynodon Rich. | Poaceae |
| Fourniera Scribn. | Bouteloua Lag. | | | Fourniera Scribn. | Bouteloua Lag. | Poaceae |
| Geopogon Steud., nom. inval. | Chloris Sw. | | | Geopogon Steud., nom. inval. | Chloris Sw. | Poaceae |
| Gouinia E. Fourn. | | a | | Gouinia E. Fourn. | | Poaceae |
| Gracilea J. Koenig ex Hook. f. | Melanocenchris Nees | | | Gracilea J. Koenig ex Hook. f. | Melanocenchris Nees | Poaceae |
| Griffithsochloa G. J. Pierce | Bouteloua Lag. | | | Griffithsochloa G. J. Pierce | Bouteloua Lag. | Poaceae |
| Gymnopogon P. Beauv. | | a | | Gymnopogon P. Beauv. | | Poaceae |
| Hackelia Vasey, nom. inval. | Gouinia E. Fourn. | | | Hackelia Vasey, nom. inval. | Gouinia E. Fourn. | Poaceae |
| Halochloa Griseb. | Distichlis Raf. | | | Halochloa Griseb. | Distichlis Raf. | Poaceae |
| Halopyrum Stapf | | a | | Halopyrum Stapf | | Poaceae |
| Harpochloa Kunth | | a | | Harpochloa Kunth | | Poaceae |
| Hemimunroa Parodi | Munroa Torr. | | | Hemimunroa Parodi | Munroa Torr. | Poaceae |
| Heterocarpha Stapf & C. E. Hubb. | Dinebra Jacq. | | | Heterocarpha Stapf & C. E. Hubb. | Dinebra Jacq. | Poaceae |
| Heterolepis Boiss., nom. inval. | Chloris Sw. | | | Heterolepis Boiss., nom. inval. | Chloris Sw. | Poaceae |
| Heterosteca Desv. | Bouteloua Lag. | | | Heterosteca Desv. | Bouteloua Lag. | Poaceae |
| Hexarrhena C. Presl | Hilaria Kunth | | | Hexarrhena C. Presl | Hilaria Kunth | Poaceae |
| Hilaria Kunth | | a | | Hilaria Kunth | | Poaceae |
| Holboellia Hook. | Lopholepis Decne. | | | Holboellia Hook. | Lopholepis Decne. | Poaceae |
| Hubbardochloa Auquier | | a | | Hubbardochloa Auquier | | Poaceae |
| Hymenothecium Lag. | Muhlenbergia Schreb. | | | Hymenothecium Lag. | Muhlenbergia Schreb. | Poaceae |
| Chaboissaea E. Fourn. | Muhlenbergia Schreb. | | | Chaboissaea E. Fourn. | Muhlenbergia Schreb. | Poaceae |
| Chaetostichium C. E. Hubb. | Oropetium Trin. | | | Chaetostichium C. E. Hubb. | Oropetium Trin. | Poaceae |
| Chamaedactylis T. Nees | Aeluropus Trin. | | | Chamaedactylis T. Nees | Aeluropus Trin. | Poaceae |
| Chloridopsis Hack., nom. inval. | Leptochloa P. Beauv. | | | Chloridopsis Hack., nom. inval. | Leptochloa P. Beauv. | Poaceae |
| Chloris Sw. | | a | | Chloris Sw. | | Poaceae |
| Chloroides Regel, nom. inval. | Eustachys Desv. | | | Chloroides Regel, nom. inval. | Eustachys Desv. | Poaceae |
| Chloropsis Hack. ex Kuntze | Leptochloa P. Beauv. | | | Chloropsis Hack. ex Kuntze | Leptochloa P. Beauv. | Poaceae |
| Chlorostis Raf. | Chloris Sw. | | | Chlorostis Raf. | Chloris Sw. | Poaceae |
| Chondrosum Desv. | Bouteloua Lag. | | | Chondrosum Desv. | Bouteloua Lag. | Poaceae |
| Chrysochloa Swallen | | a | | Chrysochloa Swallen | | Poaceae |
| Ipnum Phil. | Leptochloa P. Beauv. | | | Ipnum Phil. | Leptochloa P. Beauv. | Poaceae |
| Ischnurus Balf. f. | Lepturus R. Br. | | | Ischnurus Balf. f. | Lepturus R. Br. | Poaceae |
| Joannegria Chiov. | Chloris Sw. | | | Joannegria Chiov. | Chloris Sw. | Poaceae |
| Jouvea E. Fourn. | | a | | Jouvea E. Fourn. | | Poaceae |
| Kalinia H. L. Bell & Columbus | | a | | Kalinia H. L. Bell & Columbus | | Poaceae |
| Kampochloa Clayton | | a | | Kampochloa Clayton | | Poaceae |
| Kengia Packer | Cleistogenes Keng | | | Kengia Packer | Cleistogenes Keng | Poaceae |
| Kralikia Coss. & Durieu | Tripogon Roem. & Schult. | | | Kralikia Coss. & Durieu | Tripogon Roem. & Schult. | Poaceae |
| Kralikiella Batt. & Trab. | Tripogon Roem. & Schult. | | | Kralikiella Batt. & Trab. | Tripogon Roem. & Schult. | Poaceae |
| Langsdorffia Regel, nom. inval. | Eustachys Desv. | | | Langsdorffia Regel, nom. inval. | Eustachys Desv. | Poaceae |
| Lappago Schreb. | Tragus Haller | | | Lappago Schreb. | Tragus Haller | Poaceae |
| Lasiostega Benth., nom. inval. | Bouteloua Lag. | | | Lasiostega Benth., nom. inval. | Bouteloua Lag. | Poaceae |
| Latipes Kunth | Leptothrium Kunth | | | Latipes Kunth | Leptothrium Kunth | Poaceae |
| Lepidopironia A. Rich. | Tetrapogon Desf. | | | Lepidopironia A. Rich. | Tetrapogon Desf. | Poaceae |
| Lepiurus Dumort. | Lepturus R. Br. | | | Lepiurus Dumort. | Lepturus R. Br. | Poaceae |
| Leptocarydion Hochst. ex Stapf | | a | | Leptocarydion Hochst. ex Stapf | | Poaceae |
| Leptocercus Raf. | Lepturus R. Br. | | | Leptocercus Raf. | Lepturus R. Br. | Poaceae |
| Leptochloa P. Beauv. | | a | | Leptochloa P. Beauv. | | Poaceae |
| Leptochloris Kuntze, nom. inval. | Leptochloa P. Beauv. | | | Leptochloris Kuntze, nom. inval. | Leptochloa P. Beauv. | Poaceae |
| Leptostachys G. Mey. | Leptochloa P. Beauv. | | | Leptostachys G. Mey. | Leptochloa P. Beauv. | Poaceae |
| Leptothrium Kunth | | a | | Leptothrium Kunth | | Poaceae |
| Lepturella Stapf | Oropetium Trin. | | | Lepturella Stapf | Oropetium Trin. | Poaceae |
| Lepturidium Hitchc. & Ekman | | a | | Lepturidium Hitchc. & Ekman | | Poaceae |
| Lepturus R. Br. | | a | | Lepturus R. Br. | | Poaceae |
| Lepyroxis E. Fourn., nom. inval. | Muhlenbergia Schreb. | | | Lepyroxis E. Fourn., nom. inval. | Muhlenbergia Schreb. | Poaceae |
| Lesourdia E. Fourn. | Scleropogon Phil. | | | Lesourdia E. Fourn. | Scleropogon Phil. | Poaceae |
| Lintonia Stapf | Chloris Sw. | | | Lintonia Stapf | Chloris Sw. | Poaceae |
| Lophacme Stapf | | a | | Lophacme Stapf | | Poaceae |
| Lophachme Stapf, orth. var. | Lophacme Stapf | | | Lophachme Stapf, orth. var. | Lophacme Stapf | Poaceae |
| Lopholepis Decne. | Perotis Aiton | | | Lopholepis Decne. | Perotis Aiton | Poaceae |
| Lycurus Kunth | Muhlenbergia Schreb. | | | Lycurus Kunth | Muhlenbergia Schreb. | Poaceae |
| Macrostachya A. Rich., nom. inval. | Enteropogon Nees | | | Macrostachya A. Rich., nom. inval. | Enteropogon Nees | Poaceae |
| Melanocenchris Nees | | a | | Melanocenchris Nees | | Poaceae |
| Merisachne Steud. | Triplasis P. Beauv. | | | Merisachne Steud. | Triplasis P. Beauv. | Poaceae |
| Micrachne P. M. Peterson et al. | | a | | Micrachne P. M. Peterson et al. | | Poaceae |
| Microchloa R. Br. | | a | | Microchloa R. Br. | | Poaceae |
| Micropogon Pfeiff. | Microchloa R. Br. | | | Micropogon Pfeiff. | Microchloa R. Br. | Poaceae |
| Moliniopsis Gand., nom. inval. | Cleistogenes Keng | | | Moliniopsis Gand., nom. inval. | Cleistogenes Keng | Poaceae |
| Monanthochloe Engelm. | Distichlis Raf. | | | Monanthochloe Engelm. | Distichlis Raf. | Poaceae |
| Monathera Raf. | Ctenium Panz. | | | Monathera Raf. | Ctenium Panz. | Poaceae |
| Monelytrum Hack. | | a | | Monelytrum Hack. | | Poaceae |
| Monerma P. Beauv. | Lepturus R. Br. | | | Monerma P. Beauv. | Lepturus R. Br. | Poaceae |
| Monocera Elliott | Ctenium Panz. | | | Monocera Elliott | Ctenium Panz. | Poaceae |
| Monodia S. W. L. Jacobs | Triodia R. Br. | | | Monodia S. W. L. Jacobs | Triodia R. Br. | Poaceae |
| Monochaete Döll | Gymnopogon P. Beauv. | | | Monochaete Döll | Gymnopogon P. Beauv. | Poaceae |
| Monroa Torr., orth. var. | Munroa Torr. | | | Monroa Torr., orth. var. | Munroa Torr. | Poaceae |
| Mosdenia Stent | | a | | Mosdenia Stent | | Poaceae |
| Muhlenbergia Schreb. | | a | | Muhlenbergia Schreb. | | Poaceae |
| Munroa Torr. | | a | | Munroa Torr. | | Poaceae |
| Nazia Adans. | Tragus Haller | | | Nazia Adans. | Tragus Haller | Poaceae |
| Neesiochloa Pilg. | | a | | Neesiochloa Pilg. | | Poaceae |
| Negria Chiov. | Chloris Sw. | | | Negria Chiov. | Chloris Sw. | Poaceae |
| Neobouteloua Gould | | a | | Neobouteloua Gould | | Poaceae |
| Neostapfia Burtt Davy | | a | | Neostapfia Burtt Davy | | Poaceae |
| Neostapfiella A. Camus | | a | | Neostapfiella A. Camus | | Poaceae |
| Nestlera Steud., nom. inval. | Bouteloua Lag. | | | Nestlera Steud., nom. inval. | Bouteloua Lag. | Poaceae |
| Normanboria Butzin | Acrachne Wight & Arn. ex Chiov. | | | Normanboria Butzin | Acrachne Wight & Arn. ex Chiov. | Poaceae |
| Odyssea Stapf | | a | | Odyssea Stapf | | Poaceae |
| Ochthochloa Edgew. | Chloris Sw. | | | Ochthochloa Edgew. | Chloris Sw. | Poaceae |
| Opizia J. Presl | Bouteloua Lag. | | | Opizia J. Presl | Bouteloua Lag. | Poaceae |
| Orcuttia Vasey | | a | | Orcuttia Vasey | | Poaceae |
| Orinus Hitchc. | | a | | Orinus Hitchc. | | Poaceae |
| Oropetium Trin. | | a | | Oropetium Trin. | | Poaceae |
| Orthacanthus P. M. Peterson & Romasch. | | a | | Orthacanthus P. M. Peterson & Romasch. | | Poaceae |
| Oxydenia Nutt. | Dinebra Jacq. | | | Oxydenia Nutt. | Dinebra Jacq. | Poaceae |
| Oxychloris Lazarides | | a | | Oxychloris Lazarides | | Poaceae |
| Pappophorum Schreb. | | a | | Pappophorum Schreb. | | Poaceae |
| Pentarrhaphis Kunth | Bouteloua Lag. | | | Pentarrhaphis Kunth | Bouteloua Lag. | Poaceae |
| Pereilema J. Presl | Muhlenbergia Schreb. | | | Pereilema J. Presl | Muhlenbergia Schreb. | Poaceae |
| Perotis Aiton | | a | | Perotis Aiton | | Poaceae |
| Phacellaria Steud., nom. inval. | Chloris Sw. | | | Phacellaria Steud., nom. inval. | Chloris Sw. | Poaceae |
| Plagiolytrum Nees | Tripogon Roem. & Schult. | | | Plagiolytrum Nees | Tripogon Roem. & Schult. | Poaceae |
| Plectrachne Henrard | Triodia R. Br. | | | Plectrachne Henrard | Triodia R. Br. | Poaceae |
| Pleiodon Rchb. | Bouteloua Lag. | | | Pleiodon Rchb. | Bouteloua Lag. | Poaceae |
| Pleopogon Nutt. | Muhlenbergia Schreb. | | | Pleopogon Nutt. | Muhlenbergia Schreb. | Poaceae |
| Pleuraphis Torr. | Hilaria Kunth | | | Pleuraphis Torr. | Hilaria Kunth | Poaceae |
| Podosemum Desv. | Muhlenbergia Schreb. | | | Podosemum Desv. | Muhlenbergia Schreb. | Poaceae |
| Pogochloa S. Moore | Gouinia E. Fourn. | | | Pogochloa S. Moore | Gouinia E. Fourn. | Poaceae |
| Pogoneura Napper, orth. var. | Pogononeura Napper | | | Pogoneura Napper, orth. var. | Pogononeura Napper | Poaceae |
| Pogononeura Napper | | a | | Pogononeura Napper | | Poaceae |
| Polevansia De Winter | | a | | Polevansia De Winter | | Poaceae |
| Polyodon Kunth | Bouteloua Lag. | | | Polyodon Kunth | Bouteloua Lag. | Poaceae |
| Polyrhaphis (Trin.) Lindl. | Pappophorum Schreb. | | | Polyrhaphis (Trin.) Lindl. | Pappophorum Schreb. | Poaceae |
| Polyschistis C. Presl | Bouteloua Lag. | | | Polyschistis C. Presl | Bouteloua Lag. | Poaceae |
| Pommereulla L. f. | | a | | Pommereulla L. f. | | Poaceae |
| Pringleochloa Scribn. | Bouteloua Lag. | | | Pringleochloa Scribn. | Bouteloua Lag. | Poaceae |
| Pterochloris (A. Camus) A. Camus | Chloris Sw. | | | Pterochloris (A. Camus) A. Camus | Chloris Sw. | Poaceae |
| Ptiloneilema Steud. | Melanocenchris Nees | | | Ptiloneilema Steud. | Melanocenchris Nees | Poaceae |
| Ptilonema Hook. f., orth. var. | Melanocenchris Nees | | | Ptilonema Hook. f., orth. var. | Melanocenchris Nees | Poaceae |
| Rabdochloa P. Beauv. | Leptochloa P. Beauv. | | | Rabdochloa P. Beauv. | Leptochloa P. Beauv. | Poaceae |
| Redfieldia Vasey | Muhlenbergia Schreb. | | | Redfieldia Vasey | Muhlenbergia Schreb. | Poaceae |
| Reederochloa Soderstr. & H. F. Decker | Distichlis Raf. | | | Reederochloa Soderstr. & H. F. Decker | Distichlis Raf. | Poaceae |
| Rendlia Chiov. | Microchloa R. Br. | | | Rendlia Chiov. | Microchloa R. Br. | Poaceae |
| Rhachidospermum Vasey | Jouvea E. Fourn. | | | Rhachidospermum Vasey | Jouvea E. Fourn. | Poaceae |
| Rheochloa Filg. et al. | | a | | Rheochloa Filg. et al. | | Poaceae |
| Roylea Steud., nom. inval. | Melanocenchris Nees | | | Roylea Steud., nom. inval. | Melanocenchris Nees | Poaceae |
| Saugetia Hitchc. & Chase | Tetrapogon Desf. | | | Saugetia Hitchc. & Chase | Tetrapogon Desf. | Poaceae |
| Sciadonardus Steud., nom. inval. | Gymnopogon P. Beauv. | | | Sciadonardus Steud., nom. inval. | Gymnopogon P. Beauv. | Poaceae |
| Sclerodactylon Stapf | | a | | Sclerodactylon Stapf | | Poaceae |
| Scleropogon Phil. | | a | | Scleropogon Phil. | | Poaceae |
| Sericrostis Raf. | Muhlenbergia Schreb. | | | Sericrostis Raf. | Muhlenbergia Schreb. | Poaceae |
| Serigrostis Steud., orth. var. | Muhlenbergia Schreb. | | | Serigrostis Steud., orth. var. | Muhlenbergia Schreb. | Poaceae |
| Schaffnera Benth. | Muhlenbergia Schreb. | | | Schaffnera Benth. | Muhlenbergia Schreb. | Poaceae |
| Schaffnerella Nash | Muhlenbergia Schreb. | | | Schaffnerella Nash | Muhlenbergia Schreb. | Poaceae |
| Schedonnardus Steud. | Muhlenbergia Schreb. | | | Schedonnardus Steud. | Muhlenbergia Schreb. | Poaceae |
| Schellingia Steud. | Muhlenbergia Schreb. | | | Schellingia Steud. | Muhlenbergia Schreb. | Poaceae |
| Schenckochloa J. J. Ortíz | | a | | Schenckochloa J. J. Ortíz | | Poaceae |
| Schleropelta Buckley | Hilaria Kunth | | | Schleropelta Buckley | Hilaria Kunth | Poaceae |
| Schoenefeldia Kunth | | a | | Schoenefeldia Kunth | | Poaceae |
| Schoenefeldiella P. M. Peterson | | a | | Schoenefeldiella P. M. Peterson | | Poaceae |
| Schultesia Spreng. | Eustachys Desv. | | | Schultesia Spreng. | Eustachys Desv. | Poaceae |
| Soderstromia C. V. Morton | Bouteloua Lag. | | | Soderstromia C. V. Morton | Bouteloua Lag. | Poaceae |
| Sohnsia Airy Shaw | | a | | Sohnsia Airy Shaw | | Poaceae |
| Solenophyllum Baill., nom. inval. | Distichlis Raf. | | | Solenophyllum Baill., nom. inval. | Distichlis Raf. | Poaceae |
| Spirochloe Lunell | Muhlenbergia Schreb. | | | Spirochloe Lunell | Muhlenbergia Schreb. | Poaceae |
| Sporichloe Pilg., orth. var. | Muhlenbergia Schreb. | | | Sporichloe Pilg., orth. var. | Muhlenbergia Schreb. | Poaceae |
| Stapfia Burtt Davy | Neostapfia Burtt Davy | | | Stapfia Burtt Davy | Neostapfia Burtt Davy | Poaceae |
| Stapfiola Kuntze | Desmostachya (Stapf) Stapf | | | Stapfiola Kuntze | Desmostachya (Stapf) Stapf | Poaceae |
| Stapfochloa H. Scholz | | a | | Stapfochloa H. Scholz | | Poaceae |
| Strombodurus Steud., nom. inval. | Bouteloua Lag. | | | Strombodurus Steud., nom. inval. | Bouteloua Lag. | Poaceae |
| Swallenia Soderstr. & H. F. Decker | | a | | Swallenia Soderstr. & H. F. Decker | | Poaceae |
| Symbasiandra Steud., nom. inval. | Hilaria Kunth | | | Symbasiandra Steud., nom. inval. | Hilaria Kunth | Poaceae |
| Symplectrodia Lazarides | Triodia R. Br. | | | Symplectrodia Lazarides | Triodia R. Br. | Poaceae |
| Tetrachaete Chiov. | | a | | Tetrachaete Chiov. | | Poaceae |
| Tetrapogon Desf. | | a | | Tetrapogon Desf. | | Poaceae |
| Toliara Judz. | Perotis Aiton | | | Toliara Judz. | Perotis Aiton | Poaceae |
| Tosagris P. Beauv., nom. inval. | Muhlenbergia Schreb. | | | Tosagris P. Beauv., nom. inval. | Muhlenbergia Schreb. | Poaceae |
| Tragus Haller | | a | | Tragus Haller | | Poaceae |
| Triaena Kunth | Bouteloua Lag. | | | Triaena Kunth | Bouteloua Lag. | Poaceae |
| Triathera Desv. | Bouteloua Lag. | | | Triathera Desv. | Bouteloua Lag. | Poaceae |
| Triatherus Raf. | Ctenium Panz. | | | Triatherus Raf. | Ctenium Panz. | Poaceae |
| Tricuspis P. Beauv. | Tridens Roem. & Schult. | | | Tricuspis P. Beauv. | Tridens Roem. & Schult. | Poaceae |
| Tridens Roem. & Schult. | | a | | Tridens Roem. & Schult. | | Poaceae |
| Tridens Roem. & Schult. | | a | | Tridens Roem. & Schult. | | Poaceae |
| Tridentopsis P. M. Peterson | | a | | Tridentopsis P. M. Peterson | | Poaceae |
| Trigonochloa P. M. Peterson & N. Snow | | a | | Trigonochloa P. M. Peterson & N. Snow | | Poaceae |
| Trichloris E. Fourn. ex Benth. | Leptochloa P. Beauv. | | | Trichloris E. Fourn. ex Benth. | Leptochloa P. Beauv. | Poaceae |
| Trichochloa DC. | Muhlenbergia Schreb. | | | Trichochloa DC. | Muhlenbergia Schreb. | Poaceae |
| Trichoneura Andersson | | a | | Trichoneura Andersson | | Poaceae |
| Triodia R. Br. | | a | | Triodia R. Br. | | Poaceae |
| Triodon Baumg. | Triodia R. Br. | | | Triodon Baumg. | Triodia R. Br. | Poaceae |
| Triplasiella P. M. Peterson & Romasch. | | a | | Triplasiella P. M. Peterson & Romasch. | | Poaceae |
| Triplasis P. Beauv. | | a | | Triplasis P. Beauv. | | Poaceae |
| Triplathera (Endl.) Lindl. | Bouteloua Lag. | | | Triplathera (Endl.) Lindl. | Bouteloua Lag. | Poaceae |
| Tripogon Roem. & Schult. | | a | | Tripogon Roem. & Schult. | | Poaceae |
| Tripogonella P. M. Peterson & Romasch. | | a | | Tripogonella P. M. Peterson & Romasch. | | Poaceae |
| Tuctoria Reeder | Orcuttia Vasey | | | Tuctoria Reeder | Orcuttia Vasey | Poaceae |
| Uralepis Nutt. | Triplasis P. Beauv. | | | Uralepis Nutt. | Triplasis P. Beauv. | Poaceae |
| Uralepsis Nutt., orth. var. | Triplasis P. Beauv. | | | Uralepsis Nutt., orth. var. | Triplasis P. Beauv. | Poaceae |
| Vaseya Thurb. | Muhlenbergia Schreb. | | | Vaseya Thurb. | Muhlenbergia Schreb. | Poaceae |
| Vaseyochloa Hitchc. | | a | | Vaseyochloa Hitchc. | | Poaceae |
| Vietnamochloa Veldkamp & Nowack | | a | | Vietnamochloa Veldkamp & Nowack | | Poaceae |
| Willbleibia Herter | Willkommia Hack. | | | Willbleibia Herter | Willkommia Hack. | Poaceae |
| Willkommia Hack. | | a | | Willkommia Hack. | | Poaceae |
| Windsoria Nutt. | Tridens Roem. & Schult. | | | Windsoria Nutt. | Tridens Roem. & Schult. | Poaceae |
| Xystidium Trin. | Perotis Aiton | | | Xystidium Trin. | Perotis Aiton | Poaceae |
| Zaqiqah P. M. Peterson & Romasch. | | a | | Zaqiqah P. M. Peterson & Romasch. | | Poaceae |