The Vascular Plants of Iowa
An Annotated Checklist and Natural History
University of Iowa Press Digital Editions
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Angiosperms: Dicotyledons
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Betulaceae
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Polygonum L.
21 Species found for this Genus > Polygonum L.
Polygonum achoreum Blake
Polygonum amphibium L. var. emersum Michx.
Polygonum amphibium L. var. stipulaceum (Coleman) Fern.
Polygonum aviculare L.
Polygonum cespitosum Blume var. longisetum (DeBruyn) Stewart
Polygonum convolvulus L.
Polygonum cuspidatum Sieb. & Zucc.
Polygonum douglasii Greene
Polygonum erectum L.
Polygonum hydropiper L.
Polygonum hydropiperoides Michx.
Polygonum lapathifolium L.
Polygonum orientale L.
Polygonum pensylvanicum L. var. laevigatum Fern.
Polygonum persicaria L.
Polygonum punctatum Ell. [incl. var. confertiflorum (Meisner) Fassett]
Polygonum ramosissimum Michx.
Polygonum sagittatum L.
Polygonum scandens L. [incl. var. cristatum (Engelm. & Gray) Gl.; var. dumetorum (L.) Gl.]
Polygonum tenue Michx.
Polygonum virginianum L.