Plant Family: Poaceae

Table of Contents

My Fascination with Poaceae: The Grass Family

As a plant enthusiast, I’ve always been captivated by the diversity and ubiquity of the Poaceae family, commonly known as grasses. From the vast grasslands that sustain countless herbivores to the humble lawn in your backyard, grasses play a vital role in our ecosystems and daily lives. In this article, I’ll share my fascination with this remarkable plant family, exploring its characteristics, ecological importance, and some of its most notable members.

The Characteristics of Poaceae

Grasses are flowering plants, but their flowers are often inconspicuous and wind-pollinated. They are characterized by their hollow stems, called culms, and their long, narrow leaves with parallel venation. The fruit of a grass is a caryopsis, commonly known as a grain, which is a dry, single-seeded fruit where the seed coat is fused to the pericarp. This unique fruit structure is one of the defining features of the Poaceae family.

Ecological Importance of Grasses

Grasses are the foundation of many terrestrial ecosystems, providing food and shelter for a wide range of animals. They are the primary food source for grazing animals like cattle, sheep, and bison, as well as for many insects and birds. Grasslands also play a crucial role in soil conservation, preventing erosion and promoting water infiltration.

Notable Genera of Poaceae

The Poaceae family is incredibly diverse, comprising over 12,000 species in approximately 780 genera. Here are some of the most notable genera and their common representatives:

Oryza: This genus includes the cultivated rice species, Oryza sativa, which is a staple food for billions of people worldwide.
Triticum: This genus encompasses wheat species, such as Triticum aestivum (bread wheat), which is used to produce flour for bread, pasta, and other baked goods.
Zea: The sole member of this genus is Zea mays, commonly known as maize or corn. It’s a versatile crop used for food, animal feed, and biofuel production.
Avena: This genus includes oats, such as Avena sativa, which are consumed as oatmeal or used in livestock feed.
Hordeum: This genus comprises barley species, like Hordeum vulgare, which is used for brewing beer, making malt, and animal feed.
Saccharum: This genus includes sugarcane, Saccharum officinarum, which is the primary source of sugar worldwide.
Bambusa: This genus represents a group of woody bamboos, which are used for construction, furniture, and various other purposes.
Poa: This genus includes Kentucky bluegrass, Poa pratensis, which is a popular lawn grass in temperate regions.
Festuca: This genus comprises fescue grasses, such as Festuca arundinacea (tall fescue), which are used for lawns, pastures, and erosion control.
Aakia J.R.Grande
Achnatherum P.Beauv.
Aciachne Benth.
Acidosasa C.D.Chu & C.S.Chao
Acostia Swallen
Acrachne Wight & Arn. ex Chiov.
Acritochaete Pilg.
Acroceras Stapf
Acrospelion Besser
Actinocladum McClure ex Soderstr.
Adenochloa Zuloaga
Aegilops L.
× Aegilotriticum P.Fourn.
Aeluropus Trin.
Afrotrichloris Chiov.
Agenium Nees
Agnesia Zuloaga & Judz.
× Agroelymus A.Camus
× Agropogon P.Fourn.
Agropyron Gaertn.
Agropyropsis (Batt. & Trab.) A.Camus
Agrostis L.
Agrostopoa Davidse, Soreng & P.M.Peterson
Agrostula P.M.Peterson, Romasch., Soreng & Sylvester
Aira L.
Airopsis Desv.
Alexfloydia B.K.Simon
Alloeochaete C.E.Hubb.
Allolepis Soderstr. & H.F.Decker
Alloteropsis J.Presl
Alopecurus L.
Alpagrostis P.M.Peterson, Romasch., Soreng & Sylvester
Altoparadisium Filg., Davidse, Zuloaga & Morrone
Alvimia C.E.Calderón ex Soderstr. & Londoño
Amelichloa Arriaga & Barkworth
Ammochloa Boiss.
Ampelocalamus S.L.Chen T.H.Wen & G.Y.Sheng
Ampelodesmos Link
Amphibromus Nees
Amphicarpum Kunth
Amphipogon R.Br.
Anadelphia Hack.
Ancistrachne S.T.Blake
Ancistragrostis S.T.Blake
Andropogon L.
Andropterum Stapf
Anemanthele Veldkamp
Aniselytron Merr.
Anisopogon R.Br.
Annamocalamus H.N.Nguyen, N.H.Xia & V.T.Tran
Anomochloa Brongn.
Anthaenantiopsis Mez ex Pilg.
Anthenantia P.Beauv.
Anthephora Schreb.
Anthosachne Steud.
Anthoxanthum L.
Antinoria Parl.
Apera Adans.
Apluda L.
Apochloa Zuloaga & Morrone
Apoclada McClure
Apocopis Nees
Arberella Soderstr. & C.E.Calderón
Arctagrostis Griseb.
× Arctodupontia Tzvelev
Arctohyalopoa Röser & Tkach
Arctopoa (Griseb.) Prob.
Aristida L.
Arrhenatherum P.Beauv.
Arthraxon P.Beauv.
Arthropogon Nees
Arthrostylidium Rupr.
Arundinaria Michx.
Arundinella Raddi
Arundo L.
Arundoclaytonia Davidse & R.P.Ellis
Asthenochloa Buse
Astrebla F.Muell.
Athroostachys Benth.
Atractantha McClure
Aulonemia Goudot
Aulonemiella L.G.Clark, Londoño, C.D.Tyrrell & Judz.
Australopyrum (Tzvelev) Á.Löve
Austrochloris Lazarides
Austroderia N.P.Barker & H.P.Linder
Austrostipa S.W.L.Jacobs & J.Everett
Avellinia Parl.
Avenella Bluff ex Drejer
Avenula (Dumort.) Dumort.
Axonopus P.Beauv.
Baptorhachis Clayton & Renvoize
Barkworthia Romasch., P.M.Peterson & Soreng
Bashania Keng f. & T.P.Yi
Batochloa Salariato & Zuloaga
Beckmannia Host
Bellardiochloa Chiov.
Bergbambos Stapleton
Bewsia Gooss.
Bhidea Stapf ex Bor
Blepharidachne Hack.
Boldrinia L.N.Silva
Bonia Balansa
Borinda Stapleton
Bothriochloa Kuntze
Bouteloua Lag.
Brachychloa S.M.Phillips
Brachyelytrum P.Beauv.
Brachypodium P.Beauv.
Brachystachyum Keng
Brasilochloa R.P.Oliveira & L.G.Clark
Briza L.
Bromuniola Stapf & C.E.Hubb.
Bromus L.
Brylkinia F.Schmidt
Buergersiochloa Pilg.
Calamagrostis Adans.
Calamtrisetum Charit.
Calotheca Desv.
Calyptochloa C.E.Hubb.
Cambajuva P.L.Viana, L.G.Clark & Filg.
Campeiostachys Drobow
× Campeyilia Sennikov
Canastra Morrone, Zuloaga, Davidse & Filg.
Capeochloa H.P.Linder & N.P.Barker
Capillipedium Stapf
Castellia Tineo
Catabrosa P.Beauv.
Catabrosella (Tzvelev) Tzvelev
Catalepis Stapf & Stent
× Catanellia L.J.Gillespie & Soreng
Catapodium Link
Cathariostachys S.Dransf.
Celtica F.M.Vázquez & Barkworth
Cenchrus L.
Centotheca Desv.
Centropodia Rchb.
Cephalostachyum Munro
Chaetium Nees
Chaetobromus Nees
Chaetopoa C.E.Hubb.
Chamaeraphis R.Br.
Chandrasekharania V.J.Nair, V.S.Ramach. & Sreek.
Chascolytrum Desv.
Chasechloa A.Camus
Chasmanthium Link
Chasmopodium Stapf
Chevalierella A.Camus
Chikusichloa Koidz.
Chimaerochloa H.P.Linder
Chimonobambusa Makino
Chimonocalamus Hsueh f. & T.P.Yi
Chionochloa Zotov
Chloothamnus Buse
Chloris Sw.
Chlorocalymma Clayton
Chrysochloa Swallen
Chrysopogon Trin.
Chusquea Kunth
Cinna L.
Cinnagrostis Griseb.
Cinnastrum E.Fourn.
Cladoraphis Franch.
Clausospicula Lazarides
Cleistochloa C.E.Hubb.
Cleistogenes Keng
Cnidochloa Zuloaga
Cochinchinochloa H.N.Nguyen & V.T.Tran
Coelachne R.Br.
Coelachyrum Hochst. & Nees
Coix L.
Colanthelia McClure & E.W.Sm.
Coleanthus Seidel ex Roem. & Schult.
Coleataenia Griseb.
Colpodium Trin.
Condilorachia P.M.Peterson, Romasch. & Soreng
Cortaderia Stapf
Corynephorus P.Beauv.
Cottea Kunth
Craspedorhachis Benth.
Crinipes Hochst.
Crithopsis Jaub. & Spach
Cryptachne E.J.Thomps.
Cryptochloa Swallen
Ctenium Panz.
Cutandia Willk.
Cyathopus Stapf
Cymbopogon Spreng.
× Cynochloris Clifford & Everist
Cynodon Rich.
Cynosurus L.
Cyperochloa Lazarides & L.Watson
Cyphochlaena Hack.
Cyphonanthus Zuloaga & Morrone
Cyrtochloa S.Dransf.
Cyrtococcum Stapf
Dactylis L.
Dactyloctenium Willd.
Daknopholis Clayton
Danthonia DC.
Danthoniastrum (Holub) Holub
Danthonidium C.E.Hubb.
Danthoniopsis Stapf
Dasypyrum (Coss. & Durieu) T.Durand
Davidsea Soderstr. & R.P.Ellis
Decaryella A.Camus
Decaryochloa A.Camus
Dendrocalamus Nees
Deschampsia P.Beauv.
Desmazeria Dumort.
Desmostachya (Stapf) Stapf
Diandrolyra Stapf
Diarrhena P.Beauv.
Dichaetaria Nees ex Steud.
Dichanthelium (Hitchc. & Chase) Gould
Dichanthium P.Willemet
Didymogonyx (L.G.Clark & Londoño) C.D.Tyrrell, L.G.Clark & Londoño
Diectomis Kunth
Digitaria Haller
Dignathia Stapf
Diheteropogon Stapf
Dilophotriche (C.E.Hubb.) Jacq.-Fél.
Dimeria R.Br.
Dimorphochloa S.T.Blake
Dinebra Jacq.
Dinochloa Buse
Diplachne P.Beauv.
Disakisperma Steud.
Dissochondrus (Hillebr.) Kuntze
Distichlis Raf.
Dregeochloa Conert
Drepanostachyum Keng f.
Dryopoa Vickery
× Dupoa J.Cay. & Darbysh.
Dupontia R.Br.
Dupontiopsis Soreng, L.J.Gillespie & Koba
Duthiea Hack. ex Procop.
Eccoptocarpha Launert
Echinaria Desf.
Echinochloa P.Beauv.
Echinolaena Desv.
Echinopogon P.Beauv.
Ehrharta Thunb.
Ekmanochloa Hitchc.
Eleusine Gaertn.
Elionurus Humb. & Bonpl. ex Willd.
Ellisochloa P.M.Peterson & N.P.Barker
× Elyhordeum Mansf.
× Elyleymus B.R.Baum
Elymandra Stapf
× Elymostachys Tzvelev
Elymus L.
Elytrophorus P.Beauv.
Elytrostachys McClure
Enneapogon Desv. ex P.Beauv.
Enteropogon Nees
Entolasia Stapf
Entoplocamia Stapf
Eragrostiella Bor
Eragrostis Wolf
Eremitis Döll
Eremocaulon Soderstr. & Londoño
Eremochloa Buse
Eremopyrum (Ledeb.) Jaub. & Spach
Eriachne R.Br.
Erianthecium Parodi
Erianthus Michx.
Eriochloa Kunth
Eriochrysis P.Beauv.
Eriocoma Nutt.
Erioneuron Nash
× Eriosella Romasch.
Euclasta Franch.
Eulalia Kunth
Eulaliopsis Honda
Eustachys Desv.
Exotheca Andersson
Fargesia Franch.
Farrago Clayton
Ferrocalamus Hsueh & Keng f.
Festucopsis (C.E.Hubb.) Melderis
× Festulolium Asch. & Graebn.
Filgueirasia Guala
Fimbribambusa Widjaja
Fingerhuthia Lehm.
Froesiochloa G.A.Black
Gaoligongshania D.Z.Li, Hsueh & N.H.Xia
Garnotia Brongn.
Gastridium P.Beauv.
Gaudinia P.Beauv.
Gelidocalamus T.H.Wen
Geochloa H.P.Linder & N.P.Barker
Germainia Balansa & Poitr.
Gerritea Zuloaga, Morrone & Killeen
× Gigantocalamus K.M.Wong
Gigantochloa Kurz ex Munro
Gilgiochloa Pilg.
Glaziophyton Franch.
Glyceria R.Br.
Glyphochloa Clayton
Gouinia E.Fourn. ex Benth. & Hook.f.
Graphephorum Desv.
Greeneochloa P.M.Peterson, Soreng, Romasch. & Barberá
Greslania Balansa
Guadua Kunth
Guaduella Franch.
Gymnopogon P.Beauv.
Gynerium Willd. ex P.Beauv.
Habrochloa C.E.Hubb.
Hackelochloa Kuntze
Hakonechloa Makino ex Honda
Halopyrum Stapf
Harpachne Hochst. ex A.Rich.
Harpochloa Kunth
Helictochloa Romero Zarco
Helictotrichon Besser
Hemarthria R.Br.
Hemisorghum C.E.Hubb.
Henrardia C.E.Hubb.
Hesperostipa (Elias) Barkworth
Heteranthelium Hochst. ex Jaub. & Spach
Heteranthoecia Stapf
Heteropholis C.E.Hubb.
Heteropogon Pers.
Hickelia A.Camus
Hilaria Kunth
Himalayacalamus Keng f.
Hitchcockella A.Camus
Holcolemma Stapf & C.E.Hubb.
Holcus L.
Holttumochloa K.M.Wong
Homolepis Chase
Homopholis C.E.Hubb.
Homozeugos Stapf
Hookerochloa E.B.Alexeev
Hopia Zuloaga & Morrone
Hordelymus (Jess.) Harz
Hsuehochloa D.Z.Li & Y.X.Zhang
Hubbardia Bor
Hubbardochloa Auquier
Humbertochloa A.Camus & Stapf
Hyalopoa (Tzvelev) Tzvelev
Hyalopodium Röser & Tkach
Hydrothauma C.E.Hubb.
Hygrochloa Lazarides
Hygroryza Nees
Hylebates Chippind.
Hymenachne P.Beauv.
Hyparrhenia Andersson ex E.Fourn.
Hyperthelia Clayton
Hypseochloa C.E.Hubb.
Ichnanthus P.Beauv.
Imperata Cirillo
Indocalamus Nakai
Indopoa Bor
Indosasa McClure
Isachne R.Br.
Ischaemum L.
Iseilema Andersson
Ixophorus Schltdl.
Janochloa Zuloaga & Delfini
Jansenella Bor
Jarava Ruiz & Pav.
Jouvea E.Fourn.
Kalinia H.L.Bell & Columbus
Kampochloa Clayton
Kaokochloa De Winter
Kellochloa Lizarazu, Nicola & Scataglini
× Kengdoroegneria Olshanskyi
Kengiochloa Y.H.Tong & N.H.Xia
Kengyilia C.Yen & J.L.Yang
Keratochlaena Morrone & Zuloaga
Kerriochloa C.E.Hubb.
Khoonmengia N.H.Xia, Y.H.Tong & X.R.Zheng
Kinabaluchloa K.M.Wong
Koeleria Pers.
Koordersiochloa Merr.
Kuruna Attigala, Kaththr. & L.G.Clark
Lachnagrostis Trin.
Laegaardia P.M.Peterson, Soreng, Romasch. & Barberá
Lagurus L.
Lamarckia Moench
Laobambos Haev., Lamxay & D.Z.Li
Lasiacis (Griseb.) Hitchc.
Lasiorhachis (Hack.) Stapf
Lasiurus Boiss.
Lecomtella A.Camus
Leersia Sw.
Leptagrostis C.E.Hubb.
Leptaspis R.Br.
Leptocarydion Hochst. ex Stapf
Leptochloa P.Beauv.
Leptothrium Kunth
Lepturidium Hitchc. & Ekman
Lepturopetium Morat
Lepturus R.Br.
× Leydeum Barkworth
× Leymostachys Tzvelev
Leymus Hochst.
Limnas Trin.
Limnodea L.H.Dewey
Limnopoa C.E.Hubb.
Lithachne P.Beauv.
Littledalea Hemsl.
Locajonoa Soreng
Lolium L.
Lombardochloa Roseng. & B.R.Arrill.
Lophacme Stapf
Lophatherum Brongn.
Lophopogon Hack.
Lorenzochloa Reeder & C.Reeder
Loudetia Hochst. ex Steud.
Loudetiopsis Conert
Louisiella C.E.Hubb. & J.Léonard
Loxodera Launert
Luziola Juss.
Lycochloa Sam.
Lygeum Loefl. ex L.
Maclurochloa K.M.Wong
Maclurolyra C.E.Calderón ex Soderstr.
Macrochloa Kunth
Maltebrunia Kunth
Manisuris L.
Mayariochloa Salariato, Morrone & Zuloaga
Megalachne Steud.
Megastachya P.Beauv.
Megathyrsus (Pilg.) B.K.Simon & S.W.L.Jacobs
Melanocenchris Nees
Melica L.
Melinis P.Beauv.
Melocalamus Benth.
Melocanna Trin.
Merostachys Spreng.
Merxmuellera Conert
Mesosetum Steud.
Metcalfia Conert
Mibora Adans.
Micrachne P.M.Peterson, Romasch. & Y.Herrera
Micraira F.Muell.
Microbriza Parodi ex Nicora & Rúgolo
Microcalamus Franch.
Microchloa R.Br.
Microlaena R.Br.
Microstegium Nees
Milium L.
Miscanthidium Stapf
Miscanthus Andersson
Mnesithea Kunth
Mniochloa Chase
Molineriella Rouy
Molinia Schrank
Moliniopsis Hayata
Monachather Steud.
Monelytrum Hack.
Monocymbium Stapf
Moorochloa Veldkamp
Morronea Zuloaga & Scataglini
Mosdenia Stent
Muhlenbergia Schreb.
Mullerochloa K.M.Wong
Munroa Torr.
Myriocladus Swallen
Myriostachya (Benth.) Hook.f.
Nanooravia Kiran Raj & Sivad.
Nardus L.
Narenga Bor
Nassella (Trin.) É.Desv.
Nastus Juss.
Neesiochloa Pilg.
Nematopoa C.E.Hubb.
Neobouteloua Gould
Neololeba Widjaja
Neomicrocalamus Keng f.
Neostapfia Burtt Davy
Neostapfiella A.Camus
Neotrinia (Tzvelev) M.Nobis, P.D.Gudkova & A.Nowak
Nephelochloa Boiss.
Neurachne R.Br.
Neyraudia Hook.f.
Nianhochloa H.N.Nguyen & V.T.Tran
Nicoraepoa Soreng & L.J.Gillespie
Notochloe Domin
Ocellochloa Zuloaga & Morrone
Ochlandra Thwaites
Odyssea Stapf
Oedochloa C.Silva & R.P.Oliveira
Oldeania Stapleton
Oligostachyum Z.P.Wang & G.H.Ye
Olmeca Soderstr.
Oloptum Röser & Hamasha
Olyra L.
Oncorachis Morrone & Zuloaga
Ophiuros C.F.Gaertn.
Oplismenopsis Parodi
Oplismenus P.Beauv.
Orcuttia Vasey
Oreobambos K.Schum.
Oreochloa Link
Oreopoa H.Scholz & Parolly
Orinus Hitchc.
Oropetium Trin.
Ortachne Nees ex Steud.
Orthacanthus P.M.Peterson & Romasch.
Orthoclada P.Beauv.
Orthoraphium Nees
Oryzidium C.E.Hubbard & Schweick.
Oryzopsis Michx.
Osvaldoa J.R.Grande
Otachyrium Nees
Otatea (McClure & E.W.Sm.) C.E.Calderón ex Soderstr.
Ottochloa Dandy
Oxychloris Lazarides
Oxyrhachis Pilg.
Oxytenanthera Munro
Panicum L.
Pappagrostis Roshev.
Pappophorum Schreb.
Pappostipa (Speg.) Romasch., P.M.Peterson & Soreng
Parabambusa Widjaja
Paracolpodium (Tzvelev) Tzvelev
Paractaenum P.Beauv.
Parafestuca E.B.Alexeev
Parahyparrhenia A.Camus
Paramochloa P.M.Peterson, Soreng, Romasch. & Barberá
Parapholis C.E.Hubb.
Paratheria Griseb.
Pariana Aubl.
Parianella Hollowell, F.M.Ferreira & R.P.Oliveira
Parodiolyra Soderstr. & Zuloaga
Parodiophyllochloa Zuloaga & Morrone
Parvotrisetum Chrtek
Paspalum L.
Patis Ohwi
Patzkea G.H.Loos
Pentameris P.Beauv.
Pentapogon R.Br.
Periballia Trin.
Peridictyon Seberg, Fred. & Baden
Perotis Aiton
Perrierbambus A.Camus
Peyritschia E.Fourn.
Phacelurus Griseb.
Phaenanthoecium C.E.Hubb.
Phaenosperma Munro ex Benth.
Phalaris L.
Pharus P.Browne
Pheidochloa S.T.Blake
Phippsia (Trin.) R.Br.
Phleum L.
Pholiurus Trin.
Phragmites Adans.
Phuphanochloa Sungkaew & Teerawat.
Phyllorachis Trimen
× Phyllosasa Demoly
Phyllostachys Siebold & Zucc.
Pinga Widjaja
Piptatheropsis Romasch., P.M.Peterson & Soreng
Piptatherum P.Beauv.
Piptochaetium J.Presl
Piptophyllum C.E.Hubb.
Piresia Swallen
Piresiella Judz., Zuloaga & Morrone
Plagiantha Renvoize
Plagiosetum Benth.
Pleioblastus Nakai
Pleuropogon R.Br.
Plinthanthesis Steud.
Podagrostis (Griseb.) Scribn. & Merr.
Poecilostachys Hack.
Pogonachne Bor
Pogonarthria Stapf
Pogonatherum P.Beauv.
Pogonochloa C.E.Hubb.
Pogononeura Napper
Pohlidium Davidse, Soderstr. & R.P.Ellis
Poidium Nees
Polevansia De Winter
Polypogon Desf.
Polytoca R.Br.
Polytrias Hack.
Pommereulla Naezén
Potamophila R.Br.
Pratochloa Hardion
Prosphytochloa Schweick.
Psammochloa Hitchc.
Psathyrostachys Nevski ex Roshev.
Pseudanthistiria (Hack.) Hook.f.
Pseudechinolaena Stapf
Pseudobambusa T.Q.Nguyen
Pseudobromus K.Schum.
Pseudodanthonia Bor & C.E.Hubb.
Pseudodichanthium Bor
Pseudoeriocoma Romasch., P.M.Peterson & Soreng
Pseudolasiacis (A.Camus) A.Camus
Pseudopentameris Conert
Pseudophleum Dogan
Pseudopogonatherum A.Camus
Pseudoraphis Griff. ex Pilg.
Pseudoroegneria (Nevski) Á.Löve
Pseudosasa Makino ex Nakai
Pseudosorghum A.Camus
Pseudostachyum Munro
Pseudoxytenanthera Soderstr. & R.P.Ellis
Pseudozoysia Chiov.
Psilathera Link
Psilolemma S.M.Phillips
Ptilagrostiella Romasch., P.M.Peterson & Soreng
Ptilagrostis Griseb.
Puccinellia Parl.
× Pucciphippsia Tzvelev
Puelia Franch.
Racemobambos Holttum
Raddia Bertol.
Raddiella Swallen
Ratzeburgia Kunth
Ravenochloa D.Z.Li & Y.X.Zhang
Rehia Fijten
Reitzia Swallen
Relchela Steud.
Renvoizea Zuloaga & Morrone
Reynaudia Kunth
Rheochloa Filg., P.M.Peterson & Y.Herrera
Rhipidocladum McClure
Rhizocephalus Boiss.
Rhombolytrum Link
Rhynchoryza Baill.
Rhytachne Desv.
Richardsiella Elffers & Kenn.-O’Byrne
Rosengurttia L.N.Silva
Rostraria Trin.
Rottboellia L.f.
Rugoloa Zuloaga
Ruhooglandia S.Dransf. & K.M.Wong
Rupichloa Salariato & Morrone
Rytidosperma Steud.
Sacciolepis Nash
Sarga Ewart
Sarocalamus Stapleton
Sartidia De Winter
Sasa Makino & Shibata
Sasaella Makino
Sasamorpha Nakai
Saxipoa Soreng, L.J.Gillespie & S.W.L.Jacobs
Schenckochloa J.J.Ortíz
Schismus P.Beauv.
Schizachne Hack.
Schizachyrium Nees
Schizostachyum Nees
Schmidiella Veldkamp
Schmidtia Steud. ex J.A.Schmidt
Schoenefeldia Kunth
Schoenefeldiella P.M.Peterson
Sclerochloa P.Beauv.
Sclerodactylon Stapf
Scleropogon Phil.
Scolochloa Link
Scrotochloa Judz.
Scutachne Hitchc. & Chase
Secale L.
Sehima Forssk.
Semiarundinaria Makino ex Nakai
Sesleria Scop.
Sesleriella Deyl
Setaria P.Beauv.
Setariopsis Scribn. ex Millsp.
Shibataea Makino ex Nakai
× Sibirotrisetokoeleria Chepinoga
Sibirotrisetum Barberá, Soreng, Romasch., Quintanar & P.M.Peterson
Silentvalleya V.J.Nair, Sreek., Vajr. & Bhargavan
Simonachne E.J.Thomps.
Simplicia Kirk
Sinobambusa Makino ex Nakai
Sinochasea Keng
Sinosasa L.C.Chia ex N.H.Xia, Q.M.Qin & Y.H.Tong
Sirochloa S.Dransf.
Snowdenia C.E.Hubb.
Soejatmia K.M.Wong
Sohnsia Airy Shaw
Sokinochloa S.Dransf.
Sorghastrum Nash
Sorghum Moench
Spartochloa C.E.Hubb.
Spathia Ewart
Sphaerobambos S.Dransf.
Sphaerocaryum Nees ex Hook.f.
Spheneria Kuhlm.
Sphenopholis Scribn.
Sphenopus Trin.
Spinifex L.
Spodiopogon Trin.
Sporobolus R.Br.
Stapfochloa H.Scholz
Stapletonia P.Singh, S.S.Dash & P.Kumari
Steinchisma Raf.
Steirachne Ekman
Stenostachys Turcz.
Stenotaphrum Trin.
Stephanachne Keng
Stephostachys Zuloaga & Morrone
Stereochlaena Hack.
Steyermarkochloa Davidse & R.P.Ellis
Stiburus Stapf
Stipa L.
Stipagrostis Nees
Stipellula Röser & Hamasha
Stolonochloa E.J.Thomps.
Streptochaeta Schrad. ex Nees
Streptogyna P.Beauv.
Streptolophus Hughes
Streptostachys Desv.
Styppeiochloa De Winter
Sucrea Soderstr.
Suddia Renvoize
Swallenia Soderstr. & H.F.Decker
Sylvipoa Soreng, L.J.Gillespie & S.W.L.Jacobs
Taeniatherum Nevski
Taeniorhachis Cope
Taquara I.L.C.Oliveira & R.P.Oliveira
Tarigidia Stent
Tatianyx Zuloaga & Soderstr.
Temburongia S.Dransf. & K.M.Wong
Temochloa S.Dransf.
Tenaxia N.P.Barker & H.P.Linder
Tetrachaete Chiov. ex P.R.Pirotta
Tetrachne Nees
Tetrapogon Desf.
Tetrarrhena R.Br.
Thamnocalamus Munro
Thaumastochloa C.E.Hubb.
Thedachloa S.W.L.Jacobs
Thelepogon Roth
Themeda Forssk.
× Thinoelymus Banfi
Thinopyrum Á.Löve
Thorneochloa Romasch., P.M.Peterson & Soreng
Thuarea Pers.
Thyridachne C.E.Hubb.
Thyridolepis S.T.Blake
Thyrsia Stapf
× Thyrsocalamus Sungkaew & W.L.Goh
Thyrsostachys Gamble
Thysanolaena Nees
Tibisia C.D.Tyrrell, Londoño & L.G.Clark
Timouria Roshev.
Tongpeia Stapleton
Torreyochloa Church
Trachypogon Nees
Trachys Pers.
Tragus Haller
Tribolium Desv.
Trichanthecium Zuloaga & Morrone
Tricholaena Schrad.
Tricholemma (Röser) Röser
Trichoneura Andersson
Trichopteryx Nees
Tridens Roem. & Schult.
Tridentopsis P.M.Peterson
Trigonochloa P.M.Peterson & N.Snow
Trikeraia Bor
Trilobachne Schenck ex Henrard
Triniochloa Hitchc.
Triodia R.Br.
Tripidium H.Scholz
Triplachne Link
Triplasiella P.M.Peterson & Romasch.
Triplasis P.Beauv.
Triplopogon Bor
Tripogon Roem. & Schult.
Tripogonella P.M.Peterson & Romasch.
Tripsacum L.
Triraphis R.Br.
Triscenia Griseb.
Trisetaria Forssk.
Trisetopsis Röser & A.Wölk
× Trisetopsotrichon Röser & A.Wölk
Trisetum Pers.
Tristachya Nees
Tuctoria Reeder
Tzveleviochloa Röser & A.Wölk
Uniola L.
Uranthoecium Stapf
Urelytrum Hack.
Urochloa P.Beauv.
Urochondra C.E.Hubb.
Vahlodea Fr.
Valiha S.Dransf.
Vaseyochloa Hitchc.
Veldkampia Ibaragi & Shiro Kobay.
Ventenata Koeler
Vietnamocalamus T.Q.Nguyen
Vietnamochloa Veldkamp & R.Nowack
Vietnamosasa T.Q.Nguyen
Viguierella A.Camus
Vossia Wall. & Griff.
Vulpiella (Batt. & Trab.) Burollet
Walwhalleya Wills & J.J.Bruhl
Wangenheimia Moench
Whiteochloa C.E.Hubb.
Widjajachloa K.M.Wong & S.Dransf.
Willkommia Hack.
Xerochloa R.Br.
Yersinochloa H.N.Nguyen & V.T.Tran
Yushania Keng f.
Yvesia A.Camus
Zaqiqah P.M.Peterson & Romasch.
Zenkeria Trin.
Zeugites P.Browne
Zizania L.
Zizaniopsis Döll & Asch.
Zonotriche (C.E.Hubb.) J.B.Phipps
Zotovia Edgar & Connor
Zoysia Willd.
Zuloagaea Bess
Zygochloa S.T.Blake

Conclusion

The Poaceae family is a testament to the beauty and adaptability of the plant kingdom. From providing sustenance to billions to shaping our landscapes, grasses play an indispensable role in our world. As I continue to explore the botanical world, I’m constantly reminded of the remarkable diversity and ecological significance of this extraordinary plant family.

Note: The list of genera mentioned above is not exhaustive, and there are many other fascinating members of the Poaceae family worth exploring.