Taxon  Report   5738 
Myriophyllum spicatum  L.
American milfoil,  Eurasian milfoil, Spike watermilfoil, Water milfoil
Myriophyllum spicatum
© 2001 Joe DiTomaso
Click on a photo to see it bigger.
Myriophyllum spicatum
© 2013 Jake Ruygt
Myriophyllum spicatum
© 2009 Barry Rice
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 + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Myriophyllum spicatum
© 2014 Zoya Akulova
Genus: Myriophyllum
Wetlands: Occurs in wetlands
Distribution by County 

Add an Observation of  Myriophyllum spicatum

Name Status:
Accepted by TJM2 + PLANTS + JM93
More information about  Myriophyllum spicatum
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Feb 18, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.