Status: record isocoma_arguta - Wed, Feb. 10, 2010 03:10 c

Isocoma arguta
common name	Carquinez goldenbush	CalPhotos image Robert E. Preston © Ph.D.  Follow image link for photo data.
family	Asteraceae
life form	shrub
CNPS List	List 1B.1 CA-Endemic LIST 1B: Rare, threatened, or endangered in California and elsewhere.      0.1: Seriously endangered in California
state rank	S1.1     S1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres
global rank	G1     G1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres.
	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 "3-3-3" (v6.05d, 9/05). Rarity 3: One to several highly restricted occurrences, or present in such small numbers that it is seldom reported. Endangerment 3: Seriously endangered in California. Distribution 3: Endemic to California.
CA state listing	None
federal listing	None

where found	Topographic quads (5): Birds Landing (481A) 3812127, Denverton (481B) 3812128, Antioch North (481D) 3812117, Elmira (498C) 3812138, Dozier (498D) 3812137 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: Solano (SOL) 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	•Valley and foothill grassland (VFGrs)(alkaline)
blooming period	Aug-Dec
elevation range	1 - 20 meters
notes	Probably threatened by development and agriculture. See Manual of the Botany of the Region of San Francisco Bay, p. 175 (1894) by E. Greene for original description, and Phytologia 70(2):69-114 (1991) for taxonomic treatment.
full name	Isocoma arguta Greene
	Additional information:
	standard acronym  ISAR2 Element Code  PDAST57050
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