Taxon Report
Trichophorum pumilum (Vahl) Schinz & Thell.little bulrush |
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Taxon Summary
Trichophorum pumilum, commonly known as little bulrush, is a perennial rhizomatous herb in the Cyperaceae that is found in California and elsewhere. It occurs within Bogs and fens, Marshes and swamps, and Riparian scrub, growing at elevations from 2860 to 3250 meters. Trichophorum pumilum 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: |
Trichophorum pumilum (Vahl) Schinz & Thell. |
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Common Name: |
little bulrush |
| Family: | Cyperaceae |
| Element Code: | PMCYP0Q250 |
| USDA Plants Symbol: | TRPU18 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial rhizomatous herb |
| Blooming Period: Aug | Aug |
| Elevation: | 2860-3250 (9385-10665) |
| General Habitats: | Bogs and fens, Marshes and swamps, Riparian scrub |
| Microhabitat: | Carbonate, Streambanks |
| Microhabitat Details: | riverbanks |
Conservation Status
| CA Rare Plant Rank: | 2B.2 |
| Global Rank: | G5 |
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State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 5 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 3 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 2 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Inyo (INY), Mono (MNO) | |
| Quads: Name (Quad Code) | |
| Convict Lake (3711857), Mt. Barcroft (3711852), Mt. Thompson (3711825) | |
Threat List Data from the CNDDB
| Threat List Total: | 2 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 2 | 40 % | |
| Erosion/runoff | 1 | 20% |
| Grazing | 1 | 20% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 6 May 2025].