Vascular Plants - Polygonaceae - Aconogonon - Aconogonon davisiae:
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Aconogonon davisiae var. davisiae
Davis's knotweed 
Image © 2004, Ben Legler
Image © 2004, Ben Legler
Origin: Native
Accepted Name:
Aconogonon davisiae (W. H. Brewer ex A. Gray) Soják var. davisiae
Synonyms:
Polygonum newberryi Small var. newberryi

Treated in Flora of the PNW as:
Additional Resources:

PNW Herbaria Specimens: View list of Aconogonon davisiae var. davisiae specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Aconogonon davisiae var. davisiae specimens in the WTU Herbarium database.

Washington Flora Checklist: Aconogonon davisiae var. davisiae treatment.

E-Flora BC: Aconogonon davisiae var. davisiae atlas page.

CalPhotos: Aconogonon davisiae var. davisiae images.

USDA Plants Database: Aconogonon davisiae var. davisiae.
Additional photographs of Aconogonon davisiae var. davisiae:
(click on a thumbnail to view larger photo)

Ben Legler, 2004

Ben Legler, 2004

Jim Riley

Tim Hagan, 2004

G. D. Carr, 1986

G. D. Carr, 1986

Rod Gilbert , 2006
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Washington Native Plant Society
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