Taxon Details
Potentilla basaltica
Black Rock potentilla
View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist
|
Taxon Summary:
Potentilla basaltica, commonly known as Black Rock potentilla, is a perennial herb in the Rosaceae that is found in California and elsewhere. It occurs within Meadows and seeps (alkaline, sandy, and volcanic), growing at elevations from 1360 to 1555 meters. Potentilla basaltica is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.|
Scientific Name: Potentilla basaltica Tiehm & B. Ertter |
||
|
Common Name: Black Rock potentilla |
||
| Family: | Rosaceae | |
| Element Code: | PDROS1B270 | |
| USDA Plants Symbol: | POBA6 | |
|
Synonyms/Other Names: |
||
| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
|
| CA Rare Plant Rank: | 1B.3 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G1 |
|
State Rank: |
S1 |
| Other Status: | BLM_S; SB_UCSC; USFS_S |
|
CRPR Changes: |
|
| Add Date: | 1994-01-01 |
| Date Edited: | 2022-12-06 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: May-Jun(Jul)
|
||||||||||||||
|
Elevation:
1360 - 1555 meters 4460 - 5100 feet |
||||||||||||||
General Habitats:
|
||||||||||||||
| Microhabitat Details: | ||||||||||||||
|
Microhabitat:
|
||||||||||||||
|
Notes: Known in CA from only two occurrences in Ash Valley, and in NV from one occurrence, where threatened. Threatened by trampling and vehicles. Possibly threatened by grazing and road maintenance. Not in The Jepson Manual. See Brittonia 36(3):228-231 (1984) for original description. |
|
|
Threats: |
|
|
Taxonomy: |
|
| Threat List Total: | 4 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 2 | 100 % |
| THREAT LIST: | ||
|---|---|---|
| Foot traffic/trampling | 1 | 50% |
| Grazing | 1 | 50% |
| Other | 1 | 50% |
| Road/trail construction/maint. | 1 | 50% |
| Total Occurrences: | 2 | ||||
| Element Occurrence Ranks: | |||||
|---|---|---|---|---|---|
| A | B | C | D | X | U |
| 0 | 0 | 1 | 1 | 0 | 0 |
| Occurrence Status: | |||||
|---|---|---|---|---|---|
| Historical >20 Years | 0 | ||||
| Recent <=20 Years | 2 | ||||
| Presence: | |||||
|---|---|---|---|---|---|
| Presumed Extant | 2 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
|
States: Name (Code) California (CA), Nevada (NV) |
|||||||||||||
|
California Counties and Islands: Name (Code) Lassen (LAS) |
|||||||||||||
|
Quads: Name (Quad Code) Ash Valley (4112016) |
|||||||||||||
Notes:
|
|||||||||||||
Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel