Species Details
Allium tuolumnense
Rawhide Hill onion
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© 2010 Steven Perry |
© 2005 Dean Wm. Taylor |
© 1999 John Game |
Species Description:
Allium tuolumnense, commonly known as Rawhide Hill onion, is a perennial bulbiferous herb in the Alliaceae that is found only in California. It occurs within Cismontane woodland, growing at elevations from 300 to 600 meters. Allium tuolumnense is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Allium tuolumnense (Traub) Denison & D. McNeal |
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Common Name: Rawhide Hill onion |
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| Family: | Alliaceae | |
| Element Code: | PMLIL022W0 | |
| USDA Plants Symbol: | ALTU | |
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Synonyms/Other Names: |
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| Name Status: |
JEP, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G2 |
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State Rank: |
S2 |
| Other Status: | BLM_S |
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CRPR Changes: |
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| Add Date: | 1980-01-01 |
| Date Edited: | 2022-02-01 |
| Lifeform: perennial bulbiferous herb | ||||||||||||||
Blooming Period: Mar-May
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Elevation:
300 - 600 meters 985 - 1970 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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| Threat List Total: | 12 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 16 | 64 % |
| THREAT LIST: | ||
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| Grazing | 6 | 24% |
| Mining | 5 | 20% |
| Foot traffic/trampling | 5 | 20% |
| Improper burning regime | 4 | 16% |
| Altered flood/tidal/hydrologic regime | 3 | 12% |
| Other | 3 | 12% |
| Recreational use (non-ORV) | 3 | 12% |
| Road/trail construction/maint. | 3 | 12% |
| Development | 2 | 8% |
| Erosion/runoff | 2 | 8% |
| ORV activity | 2 | 8% |
| Vandalism/dumping/litter | 1 | 4% |
| Total Occurrences: | 25 | ||||
| Element Occurrence Ranks: | |||||
|---|---|---|---|---|---|
| A | B | C | D | X | U |
| 3 | 7 | 1 | 0 | 0 | 14 |
| Occurrence Status: | |||||
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| Historical >20 Years | 15 | ||||
| Recent <=20 Years | 10 | ||||
| Presence: | |||||
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| Presumed Extant | 25 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Mariposa (MPA), Tuolumne (TUO) |
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Quads: Name (Quad Code) Chinese Camp (3712074), Coulterville (3712062), Hornitos (3712052), Keystone (3712075), Moccasin (3712073), New Melones Dam (3712085), Sonora (3712084) |
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Notes:
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Presumed Extant
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