| FAMILY |
SCIENTIFIC NAME |
COMMON NAME |
NATIVE |
CODE |
COMMENTS |
| Poaceae |
Achnatherum lemmonii |
Lemmon's Needlegrass |
YES |
G |
scattered in open grassy areas, inflorescence narrow, one floret per spikelet |
|
Agrostis exarata |
Spiked Bentgrass |
YES |
G |
|
|
Agrostis stolonifera |
Creeping Bent |
NO |
G |
found on gravel bar along Butte Creek |
|
Aira caryophyllea |
Silver European Hairgrass |
NO |
G |
|
|
Andropogon virginicus var. virginicus |
Broomsedge Bluestem |
NO |
G |
|
|
Aristida ternipes var. gentilis |
Hook Three-Awn |
YES |
G |
restoration planting, near water storage tanks. treated as Aristida ternipes var. hamulosa in The Jepson Manual [Ed.1], misapplied |
|
Avena barbata |
Slender Wild Oat |
NO |
G |
|
|
Avena fatua |
Wild Oat |
NO |
G |
|
|
Brachypodium distachyon |
False Brome |
NO |
G |
|
|
Briza minor |
Lesser Quaking-Grass |
NO |
G |
|
|
Bromus diandrus |
Ripgut Brome |
NO |
G |
|
|
Bromus hordeaceus |
Soft Chess |
NO |
G |
|
|
Bromus madritensis subsp. rubens |
Red Brome |
NO |
G |
|
|
Bromus sterilis |
Poverty Brome |
NO |
G |
|
|
Crypsis schoenoides |
Swamp Pricklegrass |
NO |
G |
|
|
Cynosurus echinatus |
Hedgehog Dogtail |
NO |
G |
|
|
Dactylis glomerata |
Orchardgrass |
NO |
G |
|
|
Deschampsia elongata |
Slender Hairgrass |
YES |
G |
|
|
Digitaria sanguinalis |
Hairy Crabgrass |
NO |
G |
wet to moist soils along Butte Creek |
|
Echinochloa crus-galli |
Barnyard Grass |
NO |
G |
|
|
Elymus glaucus subsp. glaucus |
Blue Wild-Rye |
YES |
G |
|
|
Elymus glaucus subsp. jepsonii |
Jepson's Wild-Rye |
YES |
G |
collected off of dredge tailings in a recently opened oak/brush woodland, north-east portion of preserve. not usually collected below 2500' |
|
Elymus multisetus |
Big Squirreltail |
YES |
G |
scattered along trail northwest of kiosk. restoration planting? |
|
Festuca subulata |
Bearded Fescue |
YES |
G |
growing on gravel bar at edge of Butte Creek, western end of preserve |
|
Gastridium ventricosum |
Nitgrass |
NO |
G |
|
|
Holcus lanatus |
Common Velvetgrass |
NO |
G |
|
|
Hordeum marinum subsp. gussoneanum |
Mediterranean Barley |
NO |
G |
growing in a shallow, vernally moist depression near the parking area |
|
Hordeum murinum subsp. leporinum |
Hare Wall Barley |
NO |
G |
|
|
Koeleria phleoides |
Bristly Koeler's-Grass |
NO |
G |
|
|
Leersia oryzoides |
Rice Cutgrass |
YES |
G |
wet soils to shallow water |
|
Lolium multiflorum |
Annual Ryegrass |
NO |
G |
growing on gravel bar at edge of Butte Creek |
|
Melica californica |
California Melic |
YES |
G |
found growing on a steep slope adjacent to a trail leading to Butte Creek at the north-east end of the preserve |
|
Melica harfordii |
Harford's Melic |
YES |
G |
several small clumps observed in riparian zone |
|
Melica torreyana |
Torrey's Melic |
YES |
G |
|
|
Muhlenbergia rigens |
Deergrass |
YES |
G |
occasional near water throughout preserve |
|
Nassella pulchra |
Purple Needlegrass |
YES |
G |
restoration plantings |
|
Panicum acuminatum var. acuminatum |
Western Panicgrass |
YES |
G |
|
|
Panicum capillare |
Witchgrass |
Yes |
G |
|
|
Panicum dichotomiflorum |
Smooth Witchgrass |
NO |
G |
late season grass growing on the gravel bars. native to eastern United States |
|
Paspalum dilatatum |
Dallisgrass |
NO |
G |
|
|
Phalaris paradoxa |
Paradox Canarygrass |
NO |
G |
disturbed soil near storage area |
|
Piptatherum miliaceum |
Smilograss |
NO |
G |
|
|
Poa annua |
Annual Bluegrass |
NO |
G |
|
|
Poa bulbosa |
Bulbous Bluegrass |
NO |
G |
|
|
Polypogon australis |
Southern Beardgrass |
NO |
G |
growing on gravel bar at edge of Butte Creek, eastern end of reserve. very uncommon |
|
Polypogon maritimus |
Mediterranean Beardgrass |
NO |
G |
gravel bars along creek |
|
Polypogon monspeliensis |
Annual Beardgrass |
NO |
G |
common on moist soil along Butte Creek |
|
Setaria pumila |
Yellow Bristlegrass |
NO |
G |
|
|
Setaria viridis |
Green Bristlegrass |
NO |
G |
collected off gravel bar |
|
Sorghum halepense |
Johnsongrass |
NO |
G |
|
|
Taeniatherum capput-medusae |
Medusa-Head |
NO |
G |
|
|
Vulpia microstachys var. ciliata |
Fringed Fescue |
YES |
G |
|
|
Vulpia microstachys var. pauciflora |
Few-Flowered Fescue |
YES |
G |
|
|
Vulpia myuros var.myuros |
Rattail Fescue |
NO |
G |
the most common of the Vulpia |
