Taxon Report
Neviusia cliftonii Shevock, B. Ertter & D.W. TaylorShasta snow-wreath |
 ©2008 Steve Matson |
Classification
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Scientific Name: |
Neviusia cliftonii Shevock, B. Ertter & D.W. Taylor |
|
Common Name: |
Shasta snow-wreath |
| Family: | Rosaceae |
| Element Code: | PDROS14020 |
| USDA Plants Symbol: | NECL |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial deciduous shrub |
| Blooming Period: Apr-Jun | Apr-Jun |
| Elevation: | 300-590 (985-1935) |
| General Habitats: | Cismontane woodland, Lower montane coniferous forest, Riparian woodland |
| Microhabitat: | Carbonate (sometimes), Streambanks (often), Volcanic |
| Microhabitat Details: | metavolcanic |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2 |
|
State Rank: |
S2 |
| State List: | CT |
| Fed List: | None |
| Other Status: | BLM_S; SB_CalBG/RSABG; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 26 |
| Element Occurrence Ranks: | |
| Excellent (A) | 3 |
| Good (B) | 20 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 3 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Shasta (SHA) | |
| Quads: Name (Quad Code) | |
| Bella Vista (4012262), Bollibokka Mtn. (4012282), Devils Rock (4012271), Goose Gap (4012281), Hanland Peak (4012283), Minnesota Mtn. (4012272), Montgomery Creek (4012178), O'Brien (4012273), Project City (4012263) | |
Threat List Data from the CNDDB
| Threat List Total: | 7 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 10 | 38 % | |
| Non-native plant impacts | 8 | 30% |
| Logging | 4 | 15% |
| Road/trail construction/maint. | 3 | 11% |
| ORV activity | 1 | 3% |
| Mining | 1 | 3% |
| Altered flood/tidal/hydrologic regime | 1 | 3% |
| Improper burning regime | 1 | 3% |
Notes
| Known only from near Lake Shasta. Potentially threatened by logging, mining, and proposed dam raise project. Possibly threatened by road maintenance and non-native plants. See Novon 2(4):285-289 (1992) for original description, Fremontia 22(3):3-13 (1993) for species account and information about discovery, and Fremontia 33(2):24-26 (2005) for information on habitat and geology. |
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Threats: |
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Taxonomy: |
Selected References
| USFS Potential Species of Conservation Concern Profile |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 30 December 2024].