Species Details

Chaenactis douglasii var. alpina

alpine dusty maidens

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Photo of Chaenactis douglasii var. alpina
© 2008 Steve Matson
Photo of Chaenactis douglasii var. alpina
© 2007 Lisa Berry
Photo of Chaenactis douglasii var. alpina
© 2008 Steve Matson
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:
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: 2022-10-04
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:
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:
Total Occurrences: 12
Element Occurrence Ranks:
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
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.

Map

Presumed Extant
Counties   Quads