Species Details

Epilobium howellii

subalpine fireweed

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Classification

Scientific Name: Epilobium howellii Hoch
Common Name: subalpine fireweed
Family:	Onagraceae
Element Code:	PDONA06180
USDA Plants Symbol:	EPHO3
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S4
Other Status:
CRPR Changes: changed from 1B.3 to 4.3 on 2009-09-28
Add Date:	1994-01-01
Date Edited:	2021-12-09

Ecology and Life History

Lifeform: perennial stoloniferous herb

Blooming Period: Jul-Aug

Elevation:
2000 - 3120 meters
6560 - 10235 feet

General Habitats:

Meadows and seeps
Subalpine coniferous forest

Microhabitat Details:

Microhabitat:

Mesic

Notes

Notes: Threatened by grazing, logging, vehicles and road/trail maintenance. See Phytologia 73(6):460-462 (1992) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	9
	Total EOs	% of EOs
EOs with Threat Listed:	70	71 %
Grazing	29	29%
Road/trail construction/maint.	24	24%
Logging	15	15%
ORV activity	14	14%
Foot traffic/trampling	14	14%
Recreational use (non-ORV)	4	4%
Other	3	3%
Improper burning regime	2	2%
Development	1	1%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					99
A	B	C	D	X	U
15	43	27	1	0	13

Occurrence Status:
Historical >20 Years	3
Recent <=20 Years	96

Presence:
Presumed Extant	99
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Alpine (ALP), El Dorado (ELD), Fresno (FRE), Madera (MAD), Mono (MNO), Nevada (NEV), Sierra (SIE), Tuolumne (TUO)

Quads: Name (Quad Code)
Bloody Mtn. (3711858), Calpine (3912064), Caples Lake (3812061), Carson Pass (3811968), Clio (3912065), Crystal Crag (3711951), Dinkey Creek (3711912), Ebbetts Pass (3811957), Freel Peak (3811978), Haypress Valley (3912055), Huntington Lake (3711922), Independence Lake (3912043), Kaiser Peak (3711932), Little Shuteye Peak (3711944), Mammoth Mtn. (3711961), Mt. Abbot (3711847), Mt. Givens (3711931), Musick Mtn. (3711923), Nelson Mtn. (3711911), Patterson Mtn. (3611981), Pinecrest (3811928), Sattley (3912054), Shuteye Peak (3711934), Sing Peak (3711954), South Lake Tahoe (3811988), Spicer Meadows Res. (3811948), Squaw Dome (3711943), Timber Knob (3711953), Vogelsang Peak (3711973), Webber Peak (3912044)

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:

CRPR List Change on 2009-09-28