Carlquistia muirii Calflora

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Taxon Report

Carlquistia muirii (A. Gray) B. G. Baldwin

Muir's tarplant

Carlquistia muirii is a perennial herb (rhizomatous) that is native to California, and endemic (limited) to California.

also called Raillardiopsis muirii

California Rare Plant Rank: 1B.3 (rare, threatened, or endangered in CA and elsewhere).


	Plant Range Observation Search ~81 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Genus:	Carlquistia
Family:	Asteraceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Communities: Yellow Pine Forest, Chaparral

Name Status:
Accepted by JEF + CNPS + PLANTS + POWO

Alternate Names:


CNPS	Raillardella muirii, Raillardiopsis muirii
PLANTS	Raillardella muirii
JEF + PLANTS	Raillardiopsis muirii

Information about Carlquistia muirii from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (CAMU27) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 1B.3 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
[Wikipedia] Taxonomy, Discontinuous Range: Carlquistia is a rare North American genus of flowering plants in the family Asteraceae containing the single species Carlquistia muirii. Formerly named Raillardiopsis muirii, the plant was reexamined in the 1990s and moved to a new genus of its own, separate from similar and closely related genera, such as Madia. It has a discontinuous distribution, occurring in the southern Sierra Nevada (Fresno, Tulare, and Kern Counties) and on the other western side of the San Joaquin Valley around the Ventana Double Cone in the Santa Lucia Mountains of Monterey County. (link added by Mary Ann Machi) photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 03/30/2025).