Taxon  Report   5302    
Maianthemum dilatatum  (Alph. Wood) A. Nelson & J. F. Macbr.
False lily of the valley,  False lily of the vally, Pacific may lily, Twoleaf solomon seal
Maianthemum dilatatum
© 2008 Matt Below
Photos from
CalPhotos / Calflora
Maianthemum dilatatum
© J. E.(Jed) and Bonnie McClellan 2007 California Academy of Sciences
Maianthemum dilatatum, a monocot, is a perennial 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
Maianthemum dilatatum
© 1994 Gary A. Monroe
Genus: Maianthemum
Communities: Redwood Forest, Mixed Evergreen Forest, Closed-cone Pine Forest, wetland-riparian

Wetlands: Equally likely to occur in wetlands and non wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Maianthemum bifolium ssp. kamtschaticum
PLANTS: Maianthemum bifolium var. kamtschaticum
PLANTS: Maianthemum kamtschaticum
More information about  Maianthemum dilatatum
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 24, 2019).