Taxon Report
Collomia tenella A. Grayslender collomia |
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Taxon Summary
Collomia tenella, commonly known as slender collomia, is a annual herb in the Polemoniaceae that is found in California and elsewhere. It occurs within Upper montane coniferous forest, growing at elevations from 2170 to 2170 meters. Collomia tenella is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Collomia tenella A. Gray |
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Common Name: |
slender collomia |
| Family: | Polemoniaceae |
| Element Code: | PDPLM02090 |
| USDA Plants Symbol: | COTE |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Jun-Jul | Jun-Jul |
| Elevation: | 2170-2170 (7120-7120) |
| General Habitats: | Upper montane coniferous forest |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.2 |
| Global Rank: | G4 |
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State Rank: |
S1 |
| 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: | 1 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 1 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Modoc (MOD) | |
| Quads: Name (Quad Code) | |
| Soup Creek (4112033) | |
Threat List Data from the CNDDB
| Threat List Total: | 2 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 100 % | |
| Foot traffic/trampling | 1 | 100% |
| Grazing | 1 | 100% |
Selected References
| CRPR List Addition on 2009-04-17 |
| 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 27 January 2025].