en.wikipedia.org
en.wikipedia.org
gobotany.nativeplanttrust.org
calflora.org
powo.science.kew.org
Plants of the World Online
https://powo.science.kew.org › taxon › urn:lsid:ipni.org:names:77172209-1
powo.science.kew.org
Plants of the World Online
https://powo.science.kew.org › taxon › urn:lsid:ipni.org:names:603133-1
ucjeps.berkeley.edu
newyork.plantatlas.usf.edu
New York Flora Atlas
https://newyork.plantatlas.usf.edu › plant.aspx?id=2497
wnps.org
aquaticweed.org
aquaticweed.org
https://aquaticweed.org › topics › water-weeds
aquaticweed.org
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