Contra Costa Goldfields (Lasthenia conjugens)

Global Rank: G1 - Critically Imperiled
Legal Status: Federally Endangered
Family: Asteraceae
State: CA
Nature Serve ID: 154839
Lifeform: Forb/herb
Date Inducted in National Collection: 02/09/1992

Description:

Lasthenia conjugens is 10 - 40 cm tall and typically flowers between March and June, depending on the weather and other environmental conditions.

Where is Contra Costa Goldfields (Lasthenia conjugens) located in the wild?

Habitat:

It grows in vernal pools and swales, which can be alkaline in character, in grasslands.

Distribution:

There are 15 populations in northern California (Alameda Co., Contra Costa Co., Marin Co., Monterey Co., and Solano Co.

States & Provinces:

Contra Costa Goldfields can be found in California

Which CPC Partners conserve Contra Costa Goldfields (Lasthenia conjugens)?

University of California Botanical Garden

Not Sponsored

Conservation Actions

Assigned 02/09/18

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

09/01/2020

Based on an September 2020 extract of the California Plant Rescue Database, University of California Botanical Garden holds 3 accessions of Lasthenia conjugens in orthodox seed collection. There are as many as 56700 seeds of this species in their collection - although some may have been used for curation testing or sent to back up.

08/05/2020

Based on an August 2020 extract of the California Plant Rescue Database, University of California Botanical Garden has collected 3 seed accessions of Lasthenia conjugens from 3 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass 324 maternal plants