Species Details

Prosartes parvifolia

Siskiyou bells

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Photo of Prosartes parvifolia
©2010 Kjirsten Wayman
Scientific Name:
Prosartes parvifolia S. Watson
Common Name:
Siskiyou bells
Family: Liliaceae
Element Code: PMLIL0R014
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G5T2?
State Rank:
Other Status: USFS_S
CRPR Changes:
added to 1B.2 on 2012-02-08
Add Date: 2012-02-08
Date Edited: 2022-08-02
Lifeform: perennial bulbiferous herb
Blooming Period: May-Sep
700 - 1525 meters
2295 - 5005 feet
General Habitat:
  • Lower montane coniferous forest
  • Upper montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Burned areas
  • Disturbed areas
  • Roadsides (often)
Known in CA only from in and around the Smith River watershed in the Siskiyou Mtns.
Possibly threatened by trampling, logging and associated road usage, and road maintenance.
Similar to P. hookeri and P. smithii; treated as a minor variant of the former in The Jepson Manual (1993).
Total Occurrences: 14
Element Occurrence Ranks:
0 6 3 1 0 4
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 14
Presumed Extant 14
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)
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)
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.


Presumed Extant
Counties   Quads
CNPS Status Review: Proposed New Add to Rank 1B.2, G2 / S2
Original Description: Botany of California 2:179 (1880)
Taxonomic Treatment: Bulletin of the Torrey Botanical Club 15:188 (1888)
Taxonomic Treatment: Taxon 43(3):353-366 (1994)
Taxonomic Treatment: MadroƱo 57(2):129-135 (2010)
Species Account: Prosartes parvifolia profile for potential Species of Conservation Concern evaluation (2018)