Taxon Report
Dudleya cymosa (Lem.) Britton & Rose ssp. costatifolia Bartel & ShevockPierpoint Springs dudleya |
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Taxon Summary
Dudleya cymosa ssp. costatifolia, commonly known as Pierpoint Springs dudleya, is a perennial herb in the Crassulaceae that is found only in California. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 1435 to 1600 meters. Dudleya cymosa ssp. costatifolia is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Dudleya cymosa (Lem.) Britton & Rose ssp. costatifolia Bartel & Shevock |
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Common Name: |
Pierpoint Springs dudleya |
| Family: | Crassulaceae |
| Element Code: | PDCRA040A2 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: May-Jul | May-Jul |
| Elevation: | 1435-1600 (4710-5250) |
| General Habitats: | Chaparral, Cismontane woodland |
| Microhabitat: | Carbonate |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G4T1 |
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State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 2 |
| Element Occurrence Ranks: | |
| Excellent (A) | 1 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 1 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Tulare (TUL) | |
| Quads: Name (Quad Code) | |
| Camp Wishon (3611826), Case Mountain (3611847), Silver City (3611846) | |
Threat List Data from the CNDDB
| Threat List Total: | 1 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 50 % | |
| Over-collecting/poaching | 1 | 50% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 October 2025].