Distribution: Occurring on both sides of the Cascades crest in Washington; expected to occur wherever the two species co-occur.
Habitat: Ponds and quiet streams, including brackish water.
Flowers: June-August
Origin: Introduced
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Myriophyllum sibiricum × Myriophyllum spicatum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Myriophyllum sibiricum × Myriophyllum spicatum checklist entry.
OregonFlora: Myriophyllum sibiricum × Myriophyllum spicatum information.
E-Flora BC: Myriophyllum sibiricum × Myriophyllum spicatum atlas page.
CalPhotos: Myriophyllum sibiricum × Myriophyllum spicatum photos.
USDA Plants: Myriophyllum sibiricum × Myriophyllum spicatum information.
