Taxon  Report   4169 
Heuchera maxima  E. Greene
Island alum root,  Island alumroot, Jill of the rocks
Heuchera maxima
© 2010 Gary A. Monroe
Click on a photo to see it bigger.
Heuchera maxima
© 2010 Gary A. Monroe
Heuchera maxima
© 2009 Zoya Akulova
Heuchera maxima, a dicot, is a perennial herb (rhizomatous) that is native to California and is endemic (limited) to California.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 1B.2 (rare, threatened, or endangered in CA and elsewhere).   7th Edition  /  8th Edition

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one or more occurrences
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Plant Characteristics
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Heuchera maxima
© 2008 Joseph Dougherty, M.D./
Genus: Heuchera
Chaparral, Coastal Sage Scrub
Habitat: coastal [CNPS Inventory]
Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
More information about  Heuchera maxima
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 24, 2016).

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