Species Details
Rhamnus alnifolia
alder buckthorn
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Scientific Name: Rhamnus alnifolia L'Her |
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Common Name: alder buckthorn |
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| Family: | Rhamnaceae | |
| Element Code: | PDRHA0C010 | |
| USDA Plants Symbol: | RHAL | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 2B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G5 |
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State Rank: |
S3 |
| Other Status: | SB_UCSC |
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CRPR Changes: added to 2.2 on 2008-03-26 |
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| Add Date: | 2008-03-26 |
| Date Edited: | 2022-12-06 |
| Lifeform: perennial deciduous shrub | ||||||||||||||
Blooming Period: May-Jul
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Elevation:
1370 - 2130 meters 4495 - 6990 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: | 5 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 8 | 30 % |
| THREAT LIST: | ||
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| Logging | 4 | 14% |
| Road/trail construction/maint. | 1 | 3% |
| Dam/Inundation | 1 | 3% |
| Development | 1 | 3% |
| Grazing | 1 | 3% |
| Total Occurrences: | 27 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 3 | 4 | 0 | 0 | 1 | 19 |
| Occurrence Status: | |||||
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| Historical >20 Years | 20 | ||||
| Recent <=20 Years | 7 | ||||
| Presence: | |||||
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| Presumed Extant | 26 | ||||
| Possibly Extirpated | 1 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA), Idaho (ID), Oregon (OR), Utah (UT), Washington (WA), Wyoming (WY) |
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California Counties and Islands: Name (Code) Butte (BUT), Lassen (LAS), Nevada (NEV), Placer (PLA), Plumas (PLU), Sierra (SIE) |
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Quads: Name (Quad Code) Antelope Lake (4012025), Bucks Lake (3912182), Canyondam (4012121), Caribou (4012112), Cisco Grove (3912035), Gold Lake (3912066), Hobart Mills (3912042), Independence Lake (3912043), Janesville (4012035), Martis Peak (3912031), Mt. Fillmore (3912067), Norden (3912033), Soapstone Hill (3912173), Soda Springs (3912034), Spring Garden (3912087), Tahoe City (3912022), Taylorsville (4012017), Truckee (3912032), Westwood West (4012131) |
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Notes:
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Presumed Extant
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