Taxon Report
Sedum patens ZikaSmith River stonecrop |
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Taxon Summary
Sedum patens, commonly known as Smith River stonecrop, is a perennial herb in the Crassulaceae that is . It occurs within Lower montane coniferous forest, growing at elevations from 90 to 210 meters. Sedum patens is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Sedum patens Zika |
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Common Name: |
Smith River stonecrop |
| Family: | Crassulaceae |
| Element Code: | PDCRA0A250 |
| 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: | 90-210 (295-690) |
| General Habitats: | Lower montane coniferous forest |
| Microhabitat: | Openings, Rock crevices, Rocky, Talus |
| Microhabitat Details: | Ultramafic |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 6 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 6 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Del Norte (DNT) | |
| Quads: Name (Quad Code) | |
| Cant Hook Mtn. (4112368), Gasquet (4112378), Hiouchi (4112471) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | % | |
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Notes
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Possibly threatened by horticultural collecting and fire. Similar to S. laxum ssp. laxum; differs in having flowers with white, strongly spreading petals and yellow anthers vs. flowers with erect, usually pink petals and dark red anthers in S. laxum. See Phytotaxa 368: 1–61 (2018) for original description. |
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Threats: |
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Taxonomy: |
Selected References
| CRPR List Addition on 2021-05-14 |
| USFS Potential Species of Conservation Concern Profile |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 10 October 2025].