Taxon Report
Corallorhiza trifida Chatel.northern coralroot |
 © 2021 Scot Loring |
Taxon Summary
Corallorhiza trifida, commonly known as northern coralroot, is a perennial rhizomatous herb (achlorophyllous) in the Orchidaceae that is found in California and elsewhere. It occurs within Lower montane coniferous forest, and Meadows and seeps (edges), growing at elevations from 1370 to 1745 meters. Corallorhiza trifida is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Corallorhiza trifida Chatel. |
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Common Name: |
northern coralroot |
| Family: | Orchidaceae |
| Element Code: | PMORC0M050 |
| USDA Plants Symbol: | COTR18 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial rhizomatous herb (achlorophyllous) |
| Blooming Period: Jun-Jul | Jun-Jul |
| Elevation: | 1370-1745 (4495-5725) |
| General Habitats: | Lower montane coniferous forest, Meadows and seeps |
| Microhabitat: | Mesic |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.1 |
| Global Rank: | G5 |
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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: | 7 |
| Element Occurrence Ranks: | |
| Excellent (A) | 2 |
| Good (B) | 1 |
| Fair (C) | 1 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 3 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Nevada (NEV), Plumas (PLU) | |
| Quads: Name (Quad Code) | |
| Bucks Lake (3912182), Graniteville (3912046), Haypress Valley (3912055), Meadow Valley (3912181) | |
Threat List Data from the CNDDB
| Threat List Total: | 3 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 5 | 71 % | |
| Recreational use (non-ORV) | 3 | 42% |
| Improper burning regime | 2 | 28% |
| Logging | 2 | 28% |
Notes
| Possibly threatened by recreational activities. See The Wasmann Journal of Biology 36:199-200 (1978) for information on CA occurrence near Buck's Lake, Fremontia 19(1):22-23 (1991) for account of recent discovery (1990), and The Wild Orchids of California, p. 56-58 (1995) by R. Coleman for species account. |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 4 November 2025].