Taxon Report
Botrychium pedunculosum W.H. Wagnerstalked moonwort |
 © 2011 Aaron E. Sims |
Taxon Summary
Botrychium pedunculosum, commonly known as stalked moonwort, is a perennial rhizomatous herb in the Ophioglossaceae that is found in California and elsewhere. It occurs within Meadows and seeps, and Upper montane coniferous forest, growing at elevations from 1845 to 1845 meters. Botrychium pedunculosum 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: |
Botrychium pedunculosum W.H. Wagner |
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Common Name: |
stalked moonwort |
| Family: | Ophioglossaceae |
| Element Code: | PPOPH010T0 |
| USDA Plants Symbol: | BOPE4 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial rhizomatous herb |
| Blooming Period: Aug | Aug |
| Elevation: | 1845-1845 (6055-6055) |
| General Habitats: | Meadows and seeps, Upper montane coniferous forest |
| Microhabitat: | Granitic, Volcanic |
| Microhabitat Details: | andesitic |
Conservation Status
| CA Rare Plant Rank: | 2B.1 |
| Global Rank: | G3G4 |
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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: | 1 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 1 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Tuolumne (TUO) | |
| Quads: Name (Quad Code) | |
| Cherry Lake North (3811918) | |
Threat List Data from the CNDDB
| Threat List Total: | 1 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 100 % | |
| Grazing | 1 | 100% |
Notes
| Discovered in CA by Jennie Haas in 2010; known in CA only from Stanislaus NF. Threatened by overgrazing and excessive trampling. Similar to B. ascendens and B. hesperium. Hybridizes with B. pinnatum. Not in The Jepson Manual (1993) or TJM 2. See American Fern Journal 76(2):33-47 (1986) for original description. |
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Threats: |
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Taxonomy: |
Selected References
| Proposed Addition to Rank 2.1, G2G3 / S1 |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].