Taxon  Report   11224 
Micranthes howellii  (Greene) Small
Howell's saxifrage
Micranthes howellii
© 2008 Norman Jensen
More 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
CNPS Rare Plant Rank: 4.3 (limited distribution).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Micranthes howellii
© 2008 Keir Morse
Genus: Micranthes
Foothill Woodland, wetland-riparian
Wetlands: Equally likely to occur in wetlands and non wetlands
AFFINITY to serpentine soil:   3.8 (broad endemic / strong indicator)   [Safford et al 2005]
Distribution by County 

Add an Observation of  Micranthes howellii

Name Status:
Accepted by JEF + CNPS
PLANTS accepted name: Saxifraga howellii
Alternate Names:
(according to)

ICPN + CNPS: Saxifraga howellii
More information about  Micranthes howellii
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

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Aug 17, 2018).

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