SU0004098 - Laserfiche WebLink

Home Browse Search

I r t r 1 1 t 1 1 1 t 1 t t U r t r Table 3.D-1. Special-Status Plant Species Known to Occur or with the Potential to Occur in the Project Region Page 1 of 6 Legal Status' Potential to Common Name Blooming Occur in the Scientific Name Federal State CNPS Geographic Distribution Habitat Requirements Period Study Area Sharsmith's onion — — 1B Mt Hamilton Range,San Francisco Rocky serpentine slopes in chaparral or Mar—May Not present;no Allium sharsmithiae Bay region,Alameda,Santa Clara,and cypress woodland,between;elevation suitable habitat Stanislaus Counties 400-1200 meters available onsite. Large-flowered fiddleneck E E 1B Historically known from Mount Valley grassland slopes; elevation 275- April—May Not present; Amsinckia grandii lora Diablo foothills in Contra Costa, 305 meters agricultural Alameda,and San Joaquin counties; activity in recent currently known from three natural decades has occurrences eradicated habitat. Suisun Marsh aster SC — 1B Sacramento—San Joaquin River Delta, Brackish and freshwater marsh; August— Not present;no Aster lentos Suisun Marsh, Suisun Bay;Contra elevation 0-3 meters November suitable habitat Costa,Napa,Sacramento, San available onsite. Joaquin,and Solano Counties Alkali milk-vetch — — 1B Merced, Solaro,and Yolo Counties; Grassy flats and vernal pool margins, March—June Not present;no Astragalus tener var. tener historically more widespread on alkali soils below 60 meters above suitable habitat sea level available onsite. Heartscale SC — 1 B Western Central Valley and valleys of Alkali grassland,alkali meadow,alkali May-Oct Not present;no Atriplex cordulata adjacent foothills scrub; elevation 1-375 meters suitable habitat available onsite. Brittlescale — — IB Western and eastern Central Valley Alkali grassland,alkali meadow,alkali May— Not present; Atriplex depressa and adjacent foothills on west side of scrub,chenopod scrub,playas,valley October agricultural Central Valley and foothill grasslands on alkaline or activity in recent clay soils;elevation 1-320 meters decades has eradicated habitat. Big tarplant — — 113 Interior Coast Range foothills, Annual grassland on dry hills and July— Not present; Blepharizonia plumosa Alameda,Contra Costa, San Joaquin, plains; elevation 15-450 meters October agricultural ssp.plumosa Stanislaus",and Solano'Counties activity in recent decades has eradicated habitat.