Species Details

Polemonium pulcherrimum var. shastense

Mt. Shasta sky pilot

Download Report Calflora eFlora CCH CalPhotos

Photo of Polemonium pulcherrimum var. shastense

Classification

Scientific Name: Polemonium pulcherrimum Hook. var. shastense (Eastw.) Stubbs
Common Name: Mt. Shasta sky pilot
Family:	Polemoniaceae
Element Code:	PDPLM0E0J4
USDA Plants Symbol:	POPUS
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G5T2
State Rank:	S2
Other Status:
CRPR Changes: added to 1B.2 on 2014-11-17
Add Date:	2014-11-17
Date Edited:	2022-08-02

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Sep

Elevation:
2175 - 3900 meters
7135 - 12795 feet

General Habitats:

Alpine boulder and rock field
Subalpine coniferous forest
Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Volcanic (sometimes)

Notes

Notes:
Threats: Threatened by foot traffic.
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	4	29 %
Foot traffic/trampling	4	28%
Road/trail construction/maint.	1	7%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					14
A	B	C	D	X	U
1	0	0	0	0	13

Occurrence Status:
Historical >20 Years	5
Recent <=20 Years	9

Presence:
Presumed Extant	14
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Shasta (SHA), Siskiyou (SIS)

Quads: Name (Quad Code)
Callahan (4112237), Hotlum (4112243), Lassen Peak (4012145), McCloud (4112232), Mt. Shasta (4112242), Rainbow Mtn. (4112148), Thousand Lakes Valley (4012165)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Selected References

CNPS Status Review:	Proposed Addition to California Rare Plant Rank 1B.2, G5T2 / S2
Original Description:	Bulletin of the Torrey Botanical Club 32(4):205-206 (1905)
Taxonomic Treatment:	Madroño 60(3):243-248 (2013)
Species Account:	Polemonium pulcherrimum var. shastense profile for potential Species of Conservation Concern evaluation (2022)
Other:	USFS Potential Species of Conservation Concern Profile