Species Details

Allium sanbornii var. sanbornii

Sanborn's onion

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Photo of Allium sanbornii var. sanbornii
©2018 Steven Perry
Photo of Allium sanbornii var. sanbornii
©2006 Dean Wm. Taylor, Ph.D.
Photo of Allium sanbornii var. sanbornii
©2018 Steven Perry
Scientific Name:
Allium sanbornii A.W. Wood var. sanbornii
Common Name:
Sanborn's onion
Family: Alliaceae
Element Code: PMLIL02212
USDA Plants Symbol: ALSAS
Synonyms/Other Names:
Lifeform: perennial bulbiferous herb
Blooming Period: May-Sep
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Elevation:
260 - 1510 meters
855 - 4955 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
  • Lower montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Gravelly
  • Serpentine (usually)
Notes:
Known from small, widely scattered populations. Possibly threatened by logging, vehicles, and road maintenance. On review list in OR. See Proceedings of the Academy of Natural Sciences of Philadelphia 20:171 (1868) for original description, and MadroƱo 36(2):122-130 (1989) for taxonomic treatment.
Threats:
Taxonomy:
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)
Butte (BUT), Calaveras (CAL), El Dorado (ELD), Nevada (NEV), Placer (PLA), Plumas (PLU), Shasta (SHA), Tehama (TEH), Tuolumne (TUO), Yuba (YUB)
Quads: Name (Quad Code)
Barkley Mtn. (4012126), Berry Creek (3912164), Bollibokka Mtn. (4012282), Brush Creek (3912163), Butte Meadows (4012115), Challenge (3912142), Cherry Lake South (3711988), Chicago Park (3912028), Clipper Mills (3912152), Cohasset (3912186), Colfax (3912018), Devil Peak (3812085), Devils Nose (3812044), Devils Parade Ground (4012116), Dorrington (3812033), Dutch Flat (3912027), Finley Butte (4012137), Foresthill (3912017), Fort Mountain (3812034), French Corral (3912132), Garnet Hill (3812043), Grass Valley (3912121), Greek Store (3912015), Hagaman Gulch (4012157), Hatchet Mtn. Pass (4012177), Igo (4012255), Inskip Hill (4012138), Lyonsville (4012136), Manton (4012147), Michigan Bluff (3912016), Miller Mtn. (4012167), Minnesota Mtn. (4012272), Montgomery Creek (4012178), Murphys (3812024), Nevada City (3912131), Omo Ranch (3812055), Onion Butte (4012125), Panther Spring (4012127), Paradise East (3912175), Pilot Hill (3812171), Project City (4012263), Rackerby (3912143), Roaring Creek (4012188), Rough And Ready (3912122), Shasta Dam (4012264), Stirling City (3912185), Washington (3912037), Westville (3912026), Whitmore (4012168)
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
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