ISM Botany
Introduction to Herbaria
About the ISM Herbarium
Illinois Prairie Plants
Illinois Trees
Herbarium Database
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Credits
ISM System
:
ISM Herbarium Virginia Knotweed (Polygonum virginianum) Records
ISM Herbarium Records (
Polygonum virginianum
)
Back to
Herbarium Database
Distribution of
Virginia Knotweed
(
Polygonum virginianum
) specimens in the ISM Herbarium
Click on a dot to see county records
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