Taxon  Report   6268 
Petalonyx thurberi  A. Gray  ssp. thurberi 
Thurber's sandpaper plant
Petalonyx thurberi ssp. thurberi
© 2012 Keir Morse
More photos from
CalPhotos / Calflora
Petalonyx thurberi ssp. thurberi
© 2011 Neal Kramer
Petalonyx thurberi ssp. thurberi
© 2015 Keir Morse
Petalonyx thurberi ssp. thurberi, a dicot, is a perennial herb that is native to California and is also found outside of California, but is confined to western North America.

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Petalonyx thurberi ssp. thurberi
© 2010 Neal Kramer
Genus: Petalonyx
Parent Record Petalonyx thurberi
Distribution by County 

Add an Observation of  Petalonyx thurberi ssp. thurberi

Name Status:
Accepted by JEF + PLANTS + JM93
More information about  Petalonyx thurberi ssp. thurberi
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Jul 21, 2018).

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