Species Details

Chaenactis douglasii var. alpina

alpine dusty maidens

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Classification

Scientific Name: Chaenactis douglasii (Hook.) H. & A. var. alpina Gray
Common Name: alpine dusty maidens
Family:	Asteraceae
Element Code:	PDAST20065
USDA Plants Symbol:	CHDOA2
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G5T5
State Rank:	S2
Other Status:
CRPR Changes: changed from 2.3 to 2B.3 on 2013-06-12
Add Date:	1994-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Jul-Sep
Elevation: 2865 - 3400 meters 9400 - 11155 feet
General Habitat: Alpine boulder and rock field (granitic)
General Micro Habitat:
Micro Habitat:

Notes

Notes: Intergrades downslope with var. douglasii. CA plants are atypical; plants more uniform outside CA. Possibly threatened by foot traffic. See Synoptical Flora of North America 1(2):341 (1884) for original description, and Proceedings of the California Academy of Sciences II 5:699 (1895) for additional information.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					12
A	B	C	D	X	U
0	2	2	0	0	8

Occurrence Status:
Historical >20 Years	3
Recent <=20 Years	9

Presence:
Presumed Extant	12
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Colorado (CO), Idaho (ID), Montana (MT), Nevada (NV), Oregon (OR), Utah (UT), Wyoming (WY)

California Counties and Islands: Name (Code)
Alpine (ALP), El Dorado (ELD), Inyo (INY), Mono (MNO), Tulare (TUL), Tuolumne (TUO)

Quads: Name (Quad Code)
Caples Lake (3812061), Carson Pass (3811968), Ebbetts Pass (3811957), Emerald Bay (3812081), Freel Peak (3811978), Pickel Meadow (3811935), Rockbound Valley (3812082), Sirretta Peak (3511883), Sonora Pass (3811936), Telescope Peak (3611721)

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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Counties Quads

CNPS Rare Plant Inventory