Species Details

Allium siskiyouense

Siskiyou onion

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Photo by John Doyen 2019  max-height:128px; max-width:145px;
John Doyen 2019
Photo by Dianne Fristrom 2003  max-height:128px; max-width:145px;
Dianne Fristrom 2003
Photo by John Doyen 2015  max-height:128px; max-width:145px;
John Doyen 2015
Lifeform: perennial bulbiferous herb
Blooming Period: (Apr)May-Jul
Elevation:
855 - 2500 meters
2805 - 8205 feet
General Habitat:
  • Lower montane coniferous forest
  • Upper montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Rocky
  • Serpentinite (sometimes)
Notes:
Possibly threatened by logging.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Shasta (SHA), Siskiyou (SIS), Tehama (TEH), Trinity (TRI)
Quads: Name (Quad Code)
Billys Peak (4112227), Callahan (4112237), Carrville (4112216), Chanchelulla Peak (4012248), Chimney Rock (4112356), China Mtn. (4112245), Condrey Mtn. (4112288), Damnation Peak (4012285), Devils Punchbowl (4112376), Dubakella Mtn. (4012342), Dutch Creek (4112381), Duzel Rock (4112256), Fish Lake (4112336), Forest Glen (4012333), Gazelle (4112255), Gazelle Mtn. (4112246), Grider Valley (4112362), Grouse Mtn. (4012376), Iron Gate Reservoir (4112284), Junction City (4012361), Kangaroo Mtn. (4112382), Marble Mountain (4112352), Mount Eddy (4112234), Naufus Creek (4012343), Papoose Creek (4012276), Polar Bear Mtn. (4112385), Preston Peak (4112375), Riley Ridge (3912286), Rush Creek Lakes (4012278), Salmon Mtn. (4112324), Scott Mountain (4112236), Seiad Valley (4112372), Sims Mountain (4012365), Smoky Creek (4012332), South China Mtn. (4112235), Summit Valley (4112357), Tangle Blue Lake (4112226), Trinity Center (4012286), Trinity Dam (4012277), Willow Creek (4012386), Ycatapom Peak (4112217), Yreka (4112266)
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.

Map

Presumed Extant
Counties   Quads