Taxon Report
Calamagrostis ophitidis (J.T. Howell) Nygrenserpentine reed grass |
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Classification
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Scientific Name: |
Calamagrostis ophitidis (J.T. Howell) Nygren |
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Common Name: |
serpentine reed grass |
| Family: | Poaceae |
| Element Code: | PMPOA170V0 |
| USDA Plants Symbol: | CAOP2 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Apr-Jul | Apr-Jul |
| Elevation: | 90-1065 (295-3495) |
| General Habitats: | Chaparral, Lower montane coniferous forest, Meadows and seeps, Valley and foothill grassland |
| Microhabitat: | Rocky, Serpentine |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 4.3 |
| Global Rank: | G3 |
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State Rank: |
S3 |
| 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: | 0 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Lake (LAK), Marin (MRN), Mendocino (MEN), Napa (NAP), Sonoma (SON) | |
| Quads: Name (Quad Code) | |
| Bolinas (3712286), Calistoga (3812255), Camp Meeker (3812248), Chiles Valley (3812253), Cloverdale (3812371), Fort Ross (3812352), Guerneville (3812258), Jimtown (3812267), Kenwood (3812245), Middletown (3812275), San Geronimo (3812216), San Quentin (3712284), San Rafael (3712285), St. Helena (3812254), The Geysers (3812277), Whispering Pines (3812276) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | 0 % | |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 January 2025].