Taxon Details
Arctostaphylos montana ssp. montana
Mt. Tamalpais manzanita
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© 2018 John Doyen |
© 2018 John Doyen |
© 2012 Aaron Arthur |
Taxon Summary:
Arctostaphylos montana ssp. montana, commonly known as Mt. Tamalpais manzanita, is a perennial evergreen shrub in the Ericaceae that is found only in California. It occurs within Chaparral, and Valley and foothill grassland, growing at elevations from 160 to 760 meters. Arctostaphylos montana ssp. montana is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.|
Scientific Name: Arctostaphylos montana Eastw. ssp. montana |
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Common Name: Mt. Tamalpais manzanita |
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| Family: | Ericaceae | |
| Element Code: | PDERI040J5 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.3 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G3T3 |
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State Rank: |
S3 |
| Other Status: | SB_UCBG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2022-02-01 |
| Lifeform: perennial evergreen shrub | ||||||||||||||
Blooming Period: Feb-Apr
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Elevation:
160 - 760 meters 525 - 2495 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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| Threat List Total: | 3 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 1 | 7 % |
| THREAT LIST: | ||
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| Improper burning regime | 1 | 6% |
| Non-native plant impacts | 1 | 6% |
| Road/trail construction/maint. | 1 | 6% |
| Total Occurrences: | 15 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 1 | 0 | 0 | 0 | 14 |
| Occurrence Status: | |||||
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| Historical >20 Years | 13 | ||||
| Recent <=20 Years | 2 | ||||
| Presence: | |||||
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| Presumed Extant | 15 | ||||
| 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) Marin (MRN) |
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Quads: Name (Quad Code) Bolinas (3712286), Novato (3812215)?, San Geronimo (3812216), San Rafael (3712285) |
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Notes:
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Presumed Extant
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