CNPS Inventory Plant Detail

Tetradymia tetrameres

Common Name:	dune horsebrush
Family:	Asteraceae
Synonyms:
Element Code:	PDAST950A0
Full Name:	Tetradymia tetrameres (Blake) Strother
USDA PLANTS Symbol:	TETE4

Biology
Lifeform: perennial shrub Blooming Period: August Habitat: • Great Basin scrub (sandy)

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: 7
Element Occurrence Ranks:

A B C D X U

0 0 1 0 0 6

Population Status:

Historic >20 yrs	Recent <=20 yrs
7	0

Presence:

Present Extant	Possibly Extirpated	Extirpated
7	0	0

Notes
See Proceedings of the Biological Society of Washington 35:176 (1922) for original description, and Brittonia 26:192 (1974) for revised nomenclature. 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: 2010-03-15

Location

Elevation: 1200 - 2135 meters

California Endemic: no

States: California, Nevada

California Counties and Islands: name (code)
Mono (MNO)

Quads: name (DWR code) USGS code
Indian Meadows (451B) 37118H6, Glass Mountain (451C) 37118G6, Sulphur Pond (469C) 38118A8, Alameda Well (469D) 38118A7, Negit Island (470D) 38119A1

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

654

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 .

-118.75,38.0