Taxon Details
Holmgrenanthe petrophila
rock lady
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Taxon Summary:
Holmgrenanthe petrophila, commonly known as rock lady, is a perennial herb in the Plantaginaceae that is found only in California. It occurs within Mojavean desert scrub (carbonate, and rocky), growing at elevations from 515 to 1675 meters. Holmgrenanthe petrophila is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Holmgrenanthe petrophila (Coville & C.V. Morton) Elisens |
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Common Name: rock lady |
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| Family: | Plantaginaceae | |
| Element Code: | PDSCR2J010 | |
| USDA Plants Symbol: | HOPE2 | |
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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.2 |
| Fed List: | None |
| State List: | CR (1982-07-01) |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Apr-Jun
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Elevation:
515 - 1675 meters 1690 - 5495 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Known from approximately ten occurrences in Titus and Fall canyons. USFWS uses the name Holmgrenanthe petrophila. See Journal of the Washington Academy of Sciences 25:291 (1935) for original description, and Systematic Botany Monographs 5:54-56 (1985) for revised nomenclature. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 2 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 2 | 20 % |
| THREAT LIST: | ||
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| Road/trail construction/maint. | 2 | 20% |
| Foot traffic/trampling | 1 | 10% |
| Total Occurrences: | 10 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 6 | 2 | 0 | 0 | 1 |
| Occurrence Status: | |||||
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| Historical >20 Years | 7 | ||||
| Recent <=20 Years | 3 | ||||
| Presence: | |||||
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| Presumed Extant | 10 | ||||
| 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) Inyo (INY) |
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Quads: Name (Quad Code) Fall Canyon (3611772), Thimble Peak (3611771) |
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Notes:
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Presumed Extant
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