Species Details

Epilobium nivium

Snow Mountain willowherb

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Classification

Scientific Name: Epilobium nivium Bdg.
Common Name: Snow Mountain willowherb
Family:	Onagraceae
Element Code:	PDONA060M0
USDA Plants Symbol:	EPNI
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2G3
State Rank:	S2S3
Other Status:	BLM_S; SB_UCSC; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Oct

Elevation:
795 - 2500 meters
2610 - 8205 feet

General Habitats:

Chaparral
Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Rocky

Notes

Notes: Threatened by recreation and foot traffic, and possibly by logging. See Zoe 3:242-243 (1892) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	5	26 %
ORV activity	3	15%
Recreational use (non-ORV)	2	10%
Foot traffic/trampling	2	10%
Wood cutting or brush clearing	1	5%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					19
A	B	C	D	X	U
0	6	6	0	0	7

Occurrence Status:
Historical >20 Years	8
Recent <=20 Years	11

Presence:
Presumed Extant	19
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Colusa (COL), Glenn (GLE), Lake (LAK), Mendocino (MEN), Tehama (TEH), Trinity (TRI)

Quads: Name (Quad Code)
Bluenose Ridge (3912382), Crockett Peak (3912247), Felkner Hill (3912256), Fouts Springs (3912236), Hull Mountain (3912258), Leech Lake Mtn. (3912381), Potato Hill (3912237), South Yolla Bolly (4012217), St. John Mtn. (3912246)

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

Other:

USFS Potential Species of Conservation Concern Profile