Known from fewer than twenty occurrences. Threatened by agriculture, development, vehicles, grazing and trampling. Official flower of SLO Co. See Bulletin of the California Academy of Sciences 1:184 (1885) for original description.
California Counties and Islands:name (code) San Luis Obispo (SLO)
Quads:name (DWR code) USGS code Santa Maria (195B) 3412084, Caldwell Mesa (220A) 3512023, Tar Spring Ridge (220B) 3512024, Arroyo Grande NE (221A)* 3512025, Pismo Beach (221B) 3512026, Santa Margarita Lake (245C) 3512034, Pozo Summit (245D) 3512033, Lopez Mtn. (246D) 3512035, Tierra Redonda Mountain (294C) 3512078
Definitions of codes preceding a county and/or quad:
Uncertain about distribution or identity
Uncertain about distribution, but presumed extirpated if once present
Occurrence confirmed, but possibly extirpated
Species may be present in other areas where conditions are favorable.
This data should NOT be substituted for pre-project review or for on-site surveys.