| Agrostis hallii | Hall's bent grass | B |
| Alopecurus saccatus | Howell's meadow foxtail | B |
| Anthoxanthum occidentale | California sweet grass, vanilla grass | A1x |
| Aristida oligantha | oldfield three-awn | A1? |
| Bromus sitchensis var. maritimus | maritime brome, seaside brome grass | A1 |
| Calamagrostis koelerioides | tufted pine grass | A1? |
| Calamagrostis nutkaensis | Pacific reed grass | A1x |
| Calamagrostis rubescens | pine reed grass, pine grass | A2 |
| Danthonia californica | California oat grass | B-PV |
| Deschampsia bolanderi | Scribner's grass | B |
| Deschampsia cespitosa subsp. cespitosa | tufted hairgrass | B-PV |
| Deschampsia cespitosa subsp. holciformis | tufted hairgrass | B |
| Deschampsia danthonioides | annual hair grass | B-PV |
| Deschampsia elongata | slender hair grass | B-PV |
| Elymus elymoides var. elymoides | squirreltail | B |
| Elymus mollis subsp. mollis | American dune grass, sea lyme grass | A1x |
| Elymus multisetus | big squirreltail | B-PV |
| Elymus stebbinsii | Stebbins' wheat grass, Parish's wheat-grass | A1 |
| Elymus trachycaulus subsp. trachycaulus | slender wheat grass | A1 |
| Eragrostis hypnoides | | A2 |
| Eragrostis mexicana subsp. virescens | Orcutt's eragrostis | A1 |
| Festuca californica | California fescue | B-PV |
| Festuca elmeri | Elmer's fescue | A2 |
| Festuca idahoensis | Idaho fescue, blue bunchgrass | B-PV |
| Festuca octoflora | sixweeks grass, slender fescue | B-PV |
| Festuca rubra | red fescue | B-PV |
| Glyceria leptostachya | narrow manna grass, Davy's mannagrass | A1 |
| Hordeum brachyantherum subsp. californicum | California barley | A1 |
| Hordeum depressum | low barley, alkali barley | B-PV |
| Hordeum jubatum subsp. jubatum | foxtail barley, squirreltail barley | A2 |
| Koeleria macrantha | june grass | B-PV |
| Leersia oryzoides | rice cutgrass | A1 |
| Leptochloa fusca subsp. fascicularis | bearded sprangletop | A2 |
| Leptochloa fusca subsp. uninervia | mexican sprangletop, dense-flowered sprangle-top | A1 |
| Melica bulbosa | onion grass | A1 |
| Melica californica | California melic | B-PV |
| Melica subulata | | A1 |
| Panicum capillare | witch grass | A2 |
| Phalaris angusta | narrow canary grass | A1x |
| Phalaris arundinacea | reed canary grass | A1 |
| Phalaris californica | California canary grass | A1x |
| Phalaris lemmonii | Lemmon's canary-grass | A1 |
| Phragmites australis | common reed | B-PV |
| Pleuropogon californicus var. californicus | semaphore grass | B-PV |
| Poa douglasii | sanddune bluegrass | A1x |
| Poa howellii | Howell's bluegrass | A2 |
| Puccinellia nutkaensis | Alaska alkali grass | A1x |
| Puccinellia nuttalliana | Nuttall's alkali grass | A1 |
| Puccinellia simplex | little alkali grass | *A2 |
| Setaria parviflora | knotroot bristle grass, perennial foxtail | B |
| Sporobolus airoides | alkali sacaton | A1 |
| Sporobolus foliosus | California cord grass | B |
| Stipa cernua | nodding needlegrass | B-PV |
| Stipa lemmonii var. lemmonii | Lemmon needlegrass | B |
| Stipa lepida | foothill needlegrass | B-PV |
| Stipa pulchra | purple needlegrass | B-PV |
| Torreyochloa pallida var. pauciflora | weak manna grass | A1x |
| Trisetum canescens | tall trisetum | A2 |