Species Details

Chaetadelpha wheeleri

Wheeler's dune-broom

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Scientific Name:
Chaetadelpha wheeleri Gray
Common Name:
Wheeler's dune-broom
Family: Asteraceae
Element Code: PDAST21010
USDA Plants Symbol: CHWH
Synonyms/Other Names:
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G4
State Rank:
S2
Other Status:
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
Add Date: 2001-01-01
Date Edited: 2021-10-04
Lifeform: perennial rhizomatous herb
Blooming Period: Apr-Sep
JFMAMJJASOND
Elevation:
795 - 1900 meters
2610 - 6235 feet
General Habitats:
  • Desert dunes
  • Great Basin scrub
  • Mojavean desert scrub
Microhabitat Details:
Microhabitat:
  • Sandy
Notes:
Threatened by vehicles and solar energy development. Possibly threatened by non-native plants. See Proceedings of the American Academy of Arts and Sciences 9:218 (1874) for original description, and MadroƱo 21(7):459-462 (1972) for taxonomic treatment.
Threats:
Taxonomy:
Threat List Total: 3
Total EOs % of EOs
EOs with Threat Listed: 14 56 %
THREAT LIST:
Non-native plant impacts 14 56%
ORV activity 9 36%
Development 5 20%
Total Occurrences: 25
Element Occurrence Ranks:
A B C D X U
1 9 6 0 0 9
Occurrence Status:
Historical >20 Years 7
Recent <=20 Years 18
Presence:
Presumed Extant 25
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Nevada (NV), Oregon (OR)
California Counties and Islands: Name (Code)
Inyo (INY), Mono (MNO)
Quads: Name (Quad Code)
Benton (3711874), Calvada Springs (3511588), Chalfant Valley (3711853), Chidago Canyon (3711854), Deep Springs Lake (3711831), East of Joshua Flats (3711727), Hammil Valley (3711864), Last Chance Range SW (3711716), Mound Spring (3611518), Negit Island (3811911), Stump Spring, Nev. (3511587), Sulphur Pond (3811818), Westgard Pass (3711832), White Mtn. Peak (3711863)
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.
Presumed Extant
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