Taxon  Report   2300    
Collomia grandiflora  Douglas ex Lindl.
Grand collomia,  Large flowered collomia, Mountain collomia
Collomia grandiflora
© 2017 John Game
Photos from
CalPhotos / Calflora
Collomia grandiflora
© 2018 Hector Borjas
Collomia grandiflora
© 2018 Chico Hiking Association
Collomia grandiflora, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Collomia grandiflora
© 2018 Matt Berger
Genus: Collomia
Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Foothill Woodland, Chaparral, Valley Grassland, (many plant communities)
Name Status:
Accepted by JEF + PLANTS

More information about  Collomia grandiflora
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 22, 2019).