CNPS Inventory Plant Detail

Oxytheca watsonii

Common Name:	Watson's oxytheca
Family:	Polygonaceae
Synonyms:
Element Code:	PDPGN0J070
Full Name:	Oxytheca watsonii T. & G.
USDA PLANTS Symbol:	OXWA

Biology
Lifeform: annual herb Blooming Period: May - July Habitat: sandy. • Joshua tree woodland • Mojavean desert scrub

Rarity Status
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: S1 S1: Critically Imperiled. Global Rank: G3? G3: Vulnerable.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 3
Element Occurrence Ranks:

A B C D X U

0 1 0 0 0 2

Population Status:

Historic >20 yrs	Recent <=20 yrs
3	0

Presence:

Present Extant	Possibly Extirpated	Extirpated
3	0	0

Notes
Known in CA from fewer than five occurrences. See Madroño 29(4):273-274 (1982) for first CA occurrences, and Phytologia 66(4):385-86 (1989) 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: 1980-01-01 Last Update: 2010-03-15

Location

Elevation: 1200 - 2000 meters

California Endemic: no

States: California, Nevada

California Counties and Islands: name (code)
Inyo (INY)

Quads: name (DWR code) USGS code
Lee Wash (327A) 36117D5, Santa Rosa Flat (327B) 36117D6, Talc City Hills (327C) 36117C6, Harris Hill (348C) 36117E4

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

1212

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

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society. Sacramento, CA. Accessed on .

-117.5,36.375