| Aegilops triuncialis | barbed goatgrass |
| Agrostis avenacea | blown grass |
| Agrostis capillaris | colonial bent |
| Agrostis exarata | spike redtop |
| Agrostis hallii | Hall's bent grass |
| Agrostis pallens | seashore bentgrass |
| Agrostis stolonifera | creeping bentgrass |
| Aira caryophyllea | silver hairgrass |
| Aira elegans | |
| Alopecurus myosuroides | slender meadow foxtail |
| Alopecurus saccatus | Pacific foxtail |
| Arundo donax | giant reed |
| Avena barbata | slender wild oat |
| Avena fatua | wild oat |
| Avena sterilis | |
| Brachypodium distachyon | false-brome |
| Briza maxima | quaking grass |
| Briza minor | little quaking grass |
| Bromus arenarius | Australian chess |
| Bromus berteroanus | Chilean chess |
| Bromus catharticus var. catharticus | rescue grass |
| Bromus catharticus var. elatus | Chilean brome |
| Bromus commutatus | hairy chess |
| Bromus diandrus | ripgut brome |
| Bromus hordeaceus | soft chess |
| Bromus japonicus | Japanese chess |
| Bromus laevipes | woodland brome, Chinook brome |
| Bromus madritensis | Spanish brome |
| Bromus pseudolaevipes | woodland brome |
| Bromus racemosus | smooth brome |
| Bromus rubens | foxtail chess |
| Bromus sitchensis var. carinatus | California brome |
| Bromus sitchensis var. marginatus | mountain brome |
| Bromus sitchensis var. maritimus | maritime brome |
| Bromus sterilis | poverty brome |
| Bromus tectorum | cheat grass |
| Calamagrostis rubescens | pine reed grass |
| Cortaderia jubata | pampas grass |
| Cortaderia selloana | pampas grass |
| Crypsis schoenoides | swamp grass |
| Crypsis vaginiflora | |
| Cynodon dactylon | Bermuda grass |
| Cynosurus echinatus | dogtail grass |
| Dactylis glomerata | orchard grass |
| Danthonia californica | California oatgrass |
| Deschampsia cespitosa subsp. cespitosa | tufted hairgrass |
| Deschampsia cespitosa subsp. holciformis | tufted hairgrass |
| Deschampsia danthonioides | annual hairgrass |
| Deschampsia elongata | slender hairgrass |
| Desmazeria rigida | |
| Digitaria ischaemum | |
| Digitaria sanguinalis | crabgrass |
| Distichlis spicata | saltgrass |
| Echinochloa colona | |
| Echinochloa crus-galli | barnyard grass |
| Echinochloa muricata var. microstachya | |
| Ehrharta erecta | Stebbins' grass |
| Eleusine indica | goosegrass |
| Elymus ×gouldii | |
| Elymus caput-medusae | medusa-head rye |
| Elymus elymoides var. elymoides | squirreltail |
| Elymus glaucus subsp. glaucus | blue wildrye |
| Elymus glaucus subsp. virescens | |
| Elymus hispidus | wheatgrass |
| Elymus multisetus | big squirreltail |
| Elymus ponticus | tall wheatgrass |
| Elymus trachycaulus subsp. trachycaulus | slender wheatgrass |
| Elymus triticoides | |
| Eragrostis cilianensis | stink grass |
| Eragrostis curvula | weeping lovegrass |
| Eragrostis hypnoides | creeping lovegrass |
| Eragrostis pectinacea var. pectinacea | Carolina lovegrass |
| Festuca arundinacea | tall fescue |
| Festuca bromoides | |
| Festuca californica | California fescue |
| Festuca elmeri | Elmer fescue |
| Festuca idahoensis | Idaho fescue |
| Festuca microstachys | |
| Festuca myuros | zorro grass |
| Festuca octoflora | six-week's fescue |
| Festuca perennis | Italian ryegrass |
| Festuca rubra | red fescue |
| Festuca temulenta | darnel |
| Gastridium phleoides | nit grass |
| Glyceria declinata | waxy mannagrass |
| Glyceria leptostachya | narrow mannagrass |
| Hainardia cylindrica | |
| Holcus lanatus | velvet grass |
| Holcus mollis | creeping velvet grass |
| Hordeum brachyantherum subsp. brachyantherum | meadow barley |
| Hordeum brachyantherum subsp. californicum | California barley |
| Hordeum depressum | low barley |
| Hordeum jubatum subsp. jubatum | foxtail barley |
| Hordeum marinum subsp. gussoneanum | Mediterranean barley |
| Hordeum murinum subsp. glaucum | |
| Hordeum murinum subsp. leporinum | |
| Hordeum murinum subsp. murinum | |
| Koeleria gerardi | annual junegrass |
| Koeleria macrantha | junegrass |
| Lamarckia aurea | goldentop |
| Leersia oryzoides | rice cutgrass |
| Leptochloa fusca subsp. fascicularis | bearded sprangletop |
| Leptochloa fusca subsp. uninervia | Mexican sprangletop |
| Melica bulbosa | |
| Melica californica | California melic |
| Melica imperfecta | little California melic |
| Melica subulata | |
| Melica torreyana | Torrey's melic |
| Panicum acuminatum | Pacific panic grass |
| Panicum capillare | witchgrass |
| Parapholis incurva | sickle grass |
| Paspalum dilatatum | Dallis grass |
| Paspalum distichum | |
| Pennisetum clandestinum | Kikuyu grass |
| Pennisetum setaceum | fountain grass |
| Pennisetum villosum | |
| Phalaris aquatica | Harding grass |
| Phalaris arundinacea | reed canary grass |
| Phalaris brachystachys | short-spiked canary grass |
| Phalaris minor | little seed canary grass |
| Phalaris paradoxa | hooded canary grass |
| Phragmites australis | common reed |
| Pleuropogon californicus var. californicus | semaphore grass |
| Poa annua | annual bluegrass |
| Poa bulbosa | bulbous bluegrass |
| Poa howellii | |
| Poa pratensis subsp. pratensis | Kentucky bluegrass |
| Poa secunda subsp. secunda | one-sided bluegrass |
| Polypogon imberbis | beard grass |
| Polypogon interruptus | ditch beard grass |
| Polypogon monspeliensis | rabbitfoot grass |
| Polypogon viridis | water bentgrass |
| Puccinellia distans | European alkali grass |
| Puccinellia nuttalliana | Nuttall alkali grass |
| Puccinellia simplex | |
| Rytidosperma caespitosum | |
| Rytidosperma penicillatum | hairy oat grass |
| Rytidosperma racemosum | |
| Schismus arabicus | Mediterranean grass |
| Scribneria bolanderi | |
| Setaria parviflora | marsh brittlegrass |
| Setaria pumila subsp. pumila | yellow brittlegrass |
| Setaria viridis | green brittlegrass |
| Sorghum bicolor | sorghum |
| Sorghum halepense | Johnson-grass |
| Spartina alterniflora | saltwater cordgrass |
| Spartina densiflora | dense-flowered cordgrass |
| Spartina foliosa | California cordgrass |
| Spartina patens | saltmeadow cordgrass |
| Sporobolus airoides | alkali sacaton |
| Sporobolus indicus | smutgrass |
| Stenotaphrum secundatum | St. Augustine grass |
| Stipa cernua | nodding needlegrass |
| Stipa lemmonii var. lemmonii | Lemmon's needlegrass |
| Stipa lepida | foothill needlegrass |
| Stipa miliacea var. miliacea | smilo grass |
| Stipa pulchra | purple needlegrass |
| Trisetum canescens | |