E-Flora BC: Electronic Atlas of the Flora of British Columbia

Myriophyllum heterophyllum Michx.
varied-leaved watermilfoil (twoleaf watermilfoil)
Haloragaceae (Water Milfoil family)

Introduction to Vascular Plants
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Distribution of Myriophyllum heterophyllum
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According to Ceska and Ceska (2010), this species is "introduced to Alberta, British Columbia and Washington from eastern North America. In BC it occurs in park ponds in Vancouver. Easily recognizable by whitish stems and leaves in pseudowhorls. Winter buds absent."

Taxonomic and Nomenclatural Links

Additional Photo Sources

Species References

Reference: Ceska, Oldriska and Adolf Ceska. 2010. Genus Myriophyllum (Haloragaceae) in the Pacific Northwest. Botanical Electronic News #428. Available online.

General References