Status: record oenothera_californica_ssp._eurekensis - Wed, Feb. 10, 2010 03:11 c

Oenothera californica ssp. eurekensis
common name	Eureka Dunes evening-primrose	CalPhotos image Gerald and Buff Corsi © 1999 California Academy of Sciences  Follow image link for photo data.
family	Onagraceae
life form	rhizomatous herb
CNPS List	List 1B.2 CA-Endemic LIST 1B: Rare, threatened, or endangered in California and elsewhere.      0.2: Fairly endangered in California
state rank	S1.2     S1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres
global rank	G4?T1      ranking system key
	Where did the "RED" code go? Where did the "RED" code go? We've simplified our rating system. Read about it here. Under the old system, this plant was "3-2-3" (v6.05d, 9/05). Rarity 3: One to several highly restricted occurrences, or present in such small numbers that it is seldom reported. Endangerment 2: Fairly endangered in California Distribution 3: Endemic to California.
CA state listing	Rare  11/78
federal listing	Endangered  04/26/78

where found	Topographic quads (3): Last Chance Range SW (390C) 3711716, East Of Joshua Flats (391A) 3711727, East Of Waucoba Spring (391D) 3711717 quad data info Quad numbers in parentheses are from the CA Department of Water Resources. The 7-digit numbers are the USGS equivalent. Red marks signify uncertainty[?] or extirpation[*]. See quad list above. A complete key is on the Index by Topo Quad page. Marks are smaller than the quads they represent, and are generally positioned near the center of the quad. In some coastal quads, this will place the mark offshore. Quad boundaries do not coincide with county lines. To confirm county location, refer to the county list below. Counties, states, regions: Inyo (INY) counties map Quad Mark Identifier CNDDB Quick Viewer Web application for exploring the CNDDB elements reported at the quad level. (broadband recommended) A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats	•Desert dunes (DeDns)
blooming period	Apr-Jun(Jul)   Months in parentheses are uncommon.
elevation range	850 - 1200 meters
notes	Known only from dunes in Eureka Valley, within Death Valley NP. Habitat previously degraded by vehicle traffic; populations recovering well, but still threatened by vehicle trespass, foot traffic, recreation, and non-native Russian thistle. Recovery plan has been completed by BLM. See Aliso 3(2):118 (1955) for original description, and Biological Conservation 46:217-242 (1988) for population biology.
full name	Oenothera californica (Wats.) Wats. ssp. eurekensis (Munz & Roos) W. Klein
	Additional information:
	standard acronym  OECAE2 Element Code  PDONA0C071
CalFlora	this taxon    related taxa
Jepson Online	Jepson Manual and other resources
Google search	CNPS website    entire web

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Suggested citation: California Native Plant Society (CNPS). 2010. Inventory of Rare and Endangered Plants (online edition, v7-10a). California Native Plant Society. Sacramento, CA. Accessed on Wed, Feb. 10, 2010 from http://www.cnps.org/inventory