CNPS Inventory Plant Detail

Chaetadelpha wheeleri

Common Name:	Wheeler's dune-broom
Family:	Asteraceae
Synonyms:
Element Code:	PDAST21010
Full Name:	Chaetadelpha wheeleri Gray
USDA PLANTS Symbol:	CHWH

Biology
Lifeform: perennial rhizomatous herb Blooming Period: April - September Habitat: sandy. • Desert dunes • Great Basin scrub • Mojavean desert scrub

Rarity Status
CA Rare Plant Rank: 2.2 Rare, threatened, or endangered in California, but more common elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G4 G4: Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 25
Element Occurrence Ranks:

A B C D X U

1 9 6 0 0 9

Population Status:

Historic >20 yrs	Recent <=20 yrs
7	18

Presence:

Present Extant	Possibly Extirpated	Extirpated
25	0	0

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 Madroño 21(7):459-462 (1972) for taxonomic treatment.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 2001-01-01
Last Update: 2012-02-14

Location

Elevation: 795 - 1900 meters

California Endemic: no

States: California, Nevada, Oregon

California Counties and Islands: name (code)
Inyo (INY), Lassen (LAS), Mono (MNO)

Quads: name (DWR code) USGS code
Stump Spring, Nev. (274A) 35115H7, Calvada Springs (274B) 35115H8, Mound Spring (297C) 36115A8, Last Chance Range SW (390C) 37117A6, Last Chance Range SE (390D) 37117A5, East of Joshua Flats (391A) 37117B7, Joshua Flats (391B) 37117B8, Westgard Pass (412C) 37118C2, Deep Springs Lake (412D) 37118C1, White Mtn. Peak (432A) 37118F3, Chidago Canyon (432C) 37118E4, Benton (450C) 37118G4, Negit Island (470D) 38119A1, Spencer Creek (620D) 40120C1

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

1872

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-117.75,37.125