CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record lasthenia_conjugens - Thu, Dec. 2, 2021, 23:31 ET b
Lasthenia conjugens
common nameContra Costa goldfields
CalPhotos image
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© 1998 John Game  Follow image link for photo data.
familyAsteraceae
life formannual herb
CA Rare Plant Rank
List 1B.1
CA-Endemic
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S1      ranking system key
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?
CA state listingNone  
federal listingEndangered  06/18/97
where found
MAPS - Use v8 link below.

Topographic quads (25):
Carpinteria (142A)* 3411945, Goleta (143A)* 3411947, Salinas (365B) 3612166, Marina (366A) 3612167, Seaside (366D) 3612157, Milpitas (427B) 3712148, San Jose East (427D)* 3712137, San Leandro (447B) 3712262, Newark (447D)* 3712251, Byron Hot Springs (463C)* 3712176, Walnut Creek (465A)* 3712281, Denverton (481B) 3812128, Antioch North (481D) 3812117, Fairfield South (482A) 3812221, Benicia (482C) 3812212, Cuttings Wharf (483A) 3812223, Petaluma River (484A) 3812225, Elmira (498C) 3812138, Capell Valley (499B)* 3812242, Mount George (499C)* 3812232, Fairfield North (499D) 3812231, Napa (500D) 3812233, Valley Ford (502C) 3812238, Calistoga (517D)* 3812255, Point Arena (537B)* 3812386
quad data info

Counties, states, regions:
Alameda (ALA), Contra Costa (CCA), Mendocino (MEN)*, Monterey (MNT), Marin (MRN), Napa (NAP), Santa Barbara (SBA)*, Santa Clara (SCL)*, Solano (SOL), Sonoma (SON)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Cismontane woodland (CmWld)
•Playas (Plyas)(alkaline)
•Valley and foothill grassland (VFGrs)
•Vernal pools (VnPls)/mesic
blooming period Mar-Jun  
elevation range0 - 470 meters
notes
Many historical occurrences extirpated by development and agriculture. Currently threatened by development, habitat alteration, hydrological alterations, overgrazing, and non-native plants. See Pittonia 1:221 (1888) for original description, and Madroņo 50(2):83-93 (2003) for ecological information.
full nameLasthenia conjugens Greene
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  LACO6 Element Code  PDAST5L040
CalFlora
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web


Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Thu, Dec. 2, 2021 from http://www.cnps.org/inventory

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