Vascular Plants of North Carolina
Account for Yellowflower Knotweed + - Polygonum ramosissimum  
Members of Polygonaceae:
Members of Polygonum with account distribution info or public map:
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Section 6 » Order Polygonales » Family Polygonaceae
Author
DistributionWeakley (2020) includes this "species" within P. prolificum, whereas FNA treats the latter as a subspecies of ramosissimum. There is a single specimen at WCUH from 1927 that was annotated by McMullen as P. exsertum, a synonym of ramosissimum. It needs verification before being admitted to the NC flora.
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Global RankG5
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USACE-agcpFACU link
USACE-empFAC link
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