Taxon Report
Rhynchospora capitellata (Michx.) Vahlbrownish beaked-rush |
 ©2004 Dean Wm. Taylor |
Classification
|
Scientific Name: |
Rhynchospora capitellata (Michx.) Vahl |
|
Common Name: |
brownish beaked-rush |
| Family: | Cyperaceae |
| Element Code: | PMCYP0N080 |
| USDA Plants Symbol: | RHCA12 |
|
Synonyms/Other Names: |
|
Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jul-Aug | Jul-Aug |
| Elevation: | 45-2000 (150-6560) |
| General Habitats: | Lower montane coniferous forest, Marshes and swamps, Meadows and seeps, Upper montane coniferous forest |
| Microhabitat: | Mesic |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.2 |
| Global Rank: | G5 |
|
State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | IUCN_LC |
|
CRPR Changes: |
|
Occurrence Data from the CNDDB
| Total Occurrences: | 25 |
| Element Occurrence Ranks: | |
| Excellent (A) | 4 |
| Good (B) | 1 |
| Fair (C) | 3 |
| Poor (D) | 0 |
| None (X) | 1 |
| Unknown (U) | 16 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Butte (BUT), El Dorado (ELD), Mariposa (MPA), Nevada (NEV), Plumas (PLU), Sonoma (SON)(?), Tehama (TEH), Trinity (TRI), Tuolumne (TUO), Yuba (YUB) | |
| Quads: Name (Quad Code) | |
| Brush Creek (3912163), Cascade (3912162), Challenge (3912142), Chicago Park (3912028), Clipper Mills (3912152), Crescent Mills (4012018), Devil Peak (3812085), Duckwall Mtn. (3712081), Georgetown (3812087), Grass Valley (3912121), Jawbone Ridge (3712071), Kimshew Point (3912184), Meadow Valley (3912181), Nevada City (3912131), North Bloomfield (3912038), Paradise West (3912176), Pike (3912048), Pollock Pines (3812075), Pulga (3912174), Quincy (3912088), Sebastopol (3812247)(?), Shingletown (4012148), Trinity Center (4012286), Tunnel Hill (3812086) | |
Threat List Data from the CNDDB
| Threat List Total: | 8 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 6 | 24 % | |
| Foot traffic/trampling | 3 | 12% |
| Other | 2 | 8% |
| Surface water diversion | 1 | 4% |
| Altered flood/tidal/hydrologic regime | 1 | 4% |
| Development | 1 | 4% |
| Grazing | 1 | 4% |
| Logging | 1 | 4% |
| Non-native plant impacts | 1 | 4% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 9 January 2025].