Taxon Report
Carex tiogana D.W. Taylor & J. MastrogiuseppeTioga Pass sedge |
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Taxon Summary
Carex tiogana, commonly known as Tioga Pass sedge, is a perennial herb in the Cyperaceae that is found in California and elsewhere. It occurs within Meadows and seeps (lake margins, and mesic), growing at elevations from 3100 to 3300 meters. Carex tiogana is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.Classification
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Scientific Name: |
Carex tiogana D.W. Taylor & J. Mastrogiuseppe |
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Common Name: |
Tioga Pass sedge |
| Family: | Cyperaceae |
| Element Code: | PMCYP03GP0 |
| USDA Plants Symbol: | CATI5 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jul-Aug | Jul-Aug |
| Elevation: | 3100-3300 (10170-10825) |
| General Habitats: | Meadows and seeps |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.3 |
| Global Rank: | G1Q |
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State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 7 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 1 |
| None (X) | 0 |
| Unknown (U) | 6 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Mono (MNO), Tuolumne (TUO) | |
| Quads: Name (Quad Code) | |
| Dunderberg Peak (3811913), Koip Peak (3711972) | |
Threat List Data from the CNDDB
| Threat List Total: | 1 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 14 % | |
| Foot traffic/trampling | 1 | 14% |
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 November 2025].