Species Details

Prosartes parvifolia

Siskiyou bells

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Classification

Scientific Name: Prosartes parvifolia S. Watson
Common Name: Siskiyou bells
Family:	Liliaceae
Element Code:	PMLIL0R014
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	SB_UCSC; USFS_S
CRPR Changes: added to 1B.2 on 2012-02-08
Add Date:	2012-02-08
Date Edited:	2023-04-04

Ecology and Life History

Lifeform: perennial bulbiferous herb

Blooming Period: May-Sep

Elevation:
700 - 1525 meters
2295 - 5005 feet

General Habitats:

Lower montane coniferous forest
Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Burned areas
Disturbed areas
Roadsides (often)

Notes

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).

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	6
	Total EOs	% of EOs
EOs with Threat Listed:	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%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					14
A	B	C	D	X	U
0	6	3	1	0	4

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	14

Presence:
Presumed Extant	14
Possibly Extirpated	0
Presumed Extirpated	0

Location

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)

Notes:

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.

Regional Map

Map

Presumed Extant

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Selected References

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:	Madroño 57(2):129-135 (2010)
Species Account:	Prosartes parvifolia profile for potential Species of Conservation Concern evaluation (2018)
Other:	USFS Potential Species of Conservation Concern Profile