Taxon  Report   5738    
Myriophyllum spicatum  L.
American milfoil,  Eurasian milfoil, Spike watermilfoil, Water milfoil
Myriophyllum spicatum
© 2014 Zoya Akulova
Photos from
CalPhotos / Calflora
Myriophyllum spicatum
© 2019 Zack Bradford
Myriophyllum spicatum
© 2019 Zack Bradford
Myriophyllum spicatum, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild. Cal-IPC rating: High

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
Myriophyllum spicatum
© 2019 Zack Bradford
Genus: Myriophyllum
Communities: wetland-riparian

Wetlands: Occurs in wetlands

Name Status:
Accepted by JEF + PLANTS

More information about  Myriophyllum spicatum
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 21, 2019).