Species Details

Allium sharsmithiae

Sharsmith's onion

  View Report   Copy Link CalFlora EFlora CCH CalPhotos iNaturalist
Photo of Allium sharsmithiae
© 2017 John Doyen
Lifeform: perennial bulbiferous herb
Blooming Period: Mar-May
JFMAMJJASOND
Elevation:
400 - 1200 meters
1310 - 3935 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
Microhabitat Details:
Microhabitat:
  • Rocky
  • Serpentine
Notes:
Known only from the Mt. Hamilton Range.
Threats:
Taxonomy:
Threat List Total: 4
Total EOs % of EOs
EOs with Threat Listed: 6 67 %
THREAT LIST:
Mining 3 33%
Road/trail construction/maint. 2 22%
Feral pigs 1 11%
Over-collecting/poaching 1 11%
Total Occurrences: 9
Element Occurrence Ranks:
A B C D X U
3 0 1 0 0 5
Occurrence Status:
Historical >20 Years 6
Recent <=20 Years 3
Presence:
Presumed Extant 9
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Alameda (ALA), Santa Clara (SCL), Stanislaus (STA)
Quads: Name (Quad Code)
Cedar Mtn. (3712155), Eylar Mtn. (3712145), Mt. Boardman (3712144)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel
}