Calflora
Taxon  Report   11224    
Micranthes howellii  (Greene) Small
Howell's saxifrage
Micranthes howellii
© 2008 Keir Morse
Photos from
CalPhotos / Calflora
Micranthes howellii
© 2011 Norman Jensen
Micranthes howellii
© 2008 Keir Morse
Micranthes howellii, a dicot, is a perennial herb that is native to California, Oregon.
also called Saxifraga howellii
California Rare Plant Rank: 4.3 (limited distribution).   8th Edition

Interactive Distribution Map


Observation Hotline
(observation details)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Micranthes howellii
© 2008 Norman Jensen
Family: SAXIFRAGACEAE  
Genus: Micranthes
Communities: Foothill Woodland, wetland-riparian

Wetlands: Equally likely to occur in wetlands and non wetlands

Serpentine affinity: 3.8; (broad endemic / strong indicator)

Name Status:
Accepted by JEF + CNPS

PLANTS accepted name:
Saxifraga howellii

Alternate Names:
ICPN + CNPS: Saxifraga howellii
More information about  Micranthes howellii
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Search efloras.org (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: https://www.calflora.org/   (Accessed: Jan 23, 2019).