Status: record juncus_cooperi - Wed, Feb. 10, 2010 03:16 c

Juncus cooperi
common name	Cooper's rush	CalPhotos image © 2004 James M. Andre  Follow image link for photo data.
family	Juncaceae
life form	perennial herb
CNPS List	List 4.3 LIST 4: Limited distribution (Watch List).      0.3: Not very endangered in California
state rank	S3.3     S3: 21-80 occurrences or 3,000-10,000 individuals OR 10,000-50,000 acres
global rank	G4     G4: apparently secure, but some concern
	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 "1-1-1" (v6.05d, 9/05). Rarity 1: Rare, but found in sufficient numbers and distributed widely enough that the potential for extinction is low at this time. Endangerment 1: Not very endangered in California. Distribution 1: More or less widespread outside California.
CA state listing	None
federal listing	None

where found	Counties, states, regions: Imperial (IMP), Inyo (INY), Riverside (RIV), San Bernardino (SBD), San Diego (SDG), Nevada (NV) Green indicates one or more populations. Yellow indicates uncertainty[?] or extirpation[*]. See list above. A complete key is on the Index by County page. Pending additional quad-level data, only county data are being provided for List 4 plants. A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats	•Meadows and seeps (Medws)(mesic, alkaline or saline)
blooming period	Apr-May(Aug)   Months in parentheses are uncommon.
elevation range	-260 - 1770 meters
notes	Possibly threatened by hydrologic alterations and grazing. See Transactions of the Academy of Science of St. Louis 2:590 (1868) for original description.
full name	Juncus cooperi Engelm.
	Additional information:
	standard acronym  JUCO3 Element Code  PMJUN010T0
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