Species Details

Erigeron petrophilus var. viscidulus

Klamath rock daisy

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Photo of Erigeron petrophilus var. viscidulus

Classification

Scientific Name: Erigeron petrophilus Greene var. viscidulus (Gray) G. Nesom
Common Name: Klamath rock daisy
Family:	Asteraceae
Element Code:	PDAST3M352
USDA Plants Symbol:	ERPEV
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G4T4
State Rank:	S4
Other Status:
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2021-12-09

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Jul-Sep

Elevation:
1500 - 2700 meters
4920 - 8860 feet

General Habitats:

Chaparral
Lower montane coniferous forest
Meadows and seeps
Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Serpentine (sometimes)

Notes

Notes: Intergrades with E. reductus. E. petrophilus Endangered in OR. See Synoptical Flora of North America 1(2):215 (1884) for original description, and Phytologia 72(3):157-208 (1992) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

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

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

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Mendocino (MEN), Shasta (SHA), Siskiyou (SIS), Trinity (TRI)

Quads: Name (Quad Code)
Boulder Peak (4112351), Caribou Lake (4112218), Carrville (4112216), Cecil Lake (4112312), China Mtn. (4112245), Condrey Mtn. (4112288), Covington Mill (4012287), Dees Peak (4112313), Dunsmuir (4112223), Dutch Creek (4112381), Eaton Peak (4112238), Four Corners Rock (4012312), Kangaroo Mtn. (4112382), Leech Lake Mtn. (3912381), Long Ridge (4012313), Mount Eddy (4112234), Mt. Hilton (4012381), Mumbo Basin (4112225), Rush Creek Lakes (4012278), Scott Bar (4112361), Scott Mountain (4112236), Seven Lakes Basin (4112224), Siligo Peak (4012288), South China Mtn. (4112235), Swim Ridge (4012322), Thompson Peak (4112311), Thurston Peaks (4012382), Ukonom Lake (4112353), Ycatapom Peak (4112217)

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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CNPS Rare Plant Inventory