Mariposa Clarkia / Center For Plant Conservation
Search / Plant Profile / Clarkia biloba ssp. australis
Plant Profile

Mariposa Clarkia (Clarkia biloba ssp. australis)

  • Global Rank: T3 - Vulnerable
  • Legal Status: N/A
  • Family: Onagraceae
  • State: CA
  • Nature Serve ID: 128194
  • Lifeform: Forb/herb
  • Date Inducted in National Collection: 08/18/2021

Where is Mariposa Clarkia (Clarkia biloba ssp. australis) located in the wild?

States & Provinces:

Mariposa Clarkia can be found in California

Which CPC Partners conserve Mariposa Clarkia (Clarkia biloba ssp. australis)?

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

Angela Pai
  • 09/19/2023
  • Seed Collection

The California Native Plant Society collected fresh seeds of Mariposa clarkia, Clarkia biloba subsp. australis, in 2023 for the IMLS Seed Longevity from a wild population at McCabe Flat Campground on BLM land in Mariposa County. CNPS staff did an initial survey of the population on June 7. Congeners were present and we identified and mapped areas where only C. biloba subsp. australis was present. We returned to collect seeds from these areas on August 2, 2023.

Center for Plant Conservation
  • 08/18/2021
  • Orthodox Seed Banking

In 2021, CPC contracted the California Native Plant Society to recollect seed from a population currently held in long term orthodox seed storage as part of an IMLS-funded seed longevity experiment. The National Laboratory for Genetic Resources Preservation will evaluate how germination tested viability and RNA Integrity of seed lots decline over time in storage.

  • 09/01/2020
  • Orthodox Seed Banking

Based on an September 2020 extract of the California Plant Rescue Database, California Botanic Garden holds 1 accessions of Clarkia biloba subsp. australis in orthodox seed collection. There are as many as 2750 seeds of this species in their collection - although some may have been used for curation testing or sent to back up.

Be the first to post an update!

Taxon Clarkia biloba ssp. australis
Authority Lewis & Lewis
Family Onagraceae
CPC Number 980
ITIS 27582
Duration Annual
Common Names
Associated Scientific Names Clarkia biloba ssp. australis
State Rank
State State Rank
California S2S3
Ecological Relationships


Donate to CPC to Save this Species

CPC secures rare plants for future generations by coordinating on-the-ground conservation and training the next generation of plant conservation professionals. Donate today to help save rare plants from extinction.

Donate Today