Taxon Report
Prosartes parvifolia S. WatsonSiskiyou bells |
 ©2010 Kjirsten Wayman |
Classification
|
Scientific Name: |
Prosartes parvifolia S. Watson |
|
Common Name: |
Siskiyou bells |
| Family: | Liliaceae |
| Element Code: | PMLIL0R014 |
| USDA Plants Symbol: | |
|
Synonyms/Other Names: |
|
Ecology and Life History
| Lifeform: | perennial bulbiferous herb |
| Blooming Period: May-Sep | May-Sep |
| Elevation: | 700-1525 (2295-5005) |
| General Habitats: | Lower montane coniferous forest, Upper montane coniferous forest |
| Microhabitat: | Burned areas, Disturbed areas, Roadsides (often) |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2 |
|
State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_UCSC; USFS_S |
|
CRPR Changes: |
|
Occurrence Data from the CNDDB
| Total Occurrences: | 14 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 6 |
| Fair (C) | 3 |
| Poor (D) | 1 |
| None (X) | 0 |
| Unknown (U) | 4 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Del Norte (DNT) | |
| Quads: Name (Quad Code) | |
| Broken Rib Mtn. (4112386), Cant Hook Mtn. (4112368), Devils Punchbowl (4112376), Gasquet (4112378), Hurdygurdy Butte (4112377), Lonesome Ridge (4112346), Shelly Creek Ridge (4112387) | |
Threat List Data from the CNDDB
| Threat List Total: | 6 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 9 | 64 % | |
| Road/trail construction/maint. | 5 | 35% |
| Other | 4 | 28% |
| Logging | 3 | 21% |
| Foot traffic/trampling | 2 | 14% |
| Erosion/runoff | 1 | 7% |
| Wood cutting or brush clearing | 1 | 7% |
Notes
| Known in CA only from in and around the Smith River watershed in the Siskiyou Mtns. |
|
Threats: |
| Possibly threatened by trampling, logging and associated road usage, and road maintenance. |
|
Taxonomy: |
| Similar to P. hookeri and P. smithii; treated as a minor variant of the former in The Jepson Manual (1993). |
Selected References
| Proposed New Add to Rank 1B.2, G2 / S2 |
| Botany of California 2:179 (1880) |
| Bulletin of the Torrey Botanical Club 15:188 (1888) |
| Taxon 43(3):353-366 (1994) |
| Madroño 57(2):129-135 (2010) |
| Prosartes parvifolia profile for potential Species of Conservation Concern evaluation (2018) |
| USFS Potential Species of Conservation Concern Profile |
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].