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Wisflora - Vascular Plant Species

University of  Wisconsin - Madison 

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Family: Rutaceae
  Genus: Phellodendron

    Phellodendron amurense Rupr.
        Amur corktree
  Genus: Ptelea

    Ptelea trifoliata L.
        common hop-tree, stinking-ash, wafer-ash
    Ptelea trifoliata L. subsp. trifoliata
        common hop-tree, stinking-ash, wafer-ash
    Ptelea trifoliata L. var. trifoliata subsp. trifoliata*+
        common hop-tree, stinking-ash, wafer-ash
             Ptelea baldwinii Torr. & A.Gray
             Ptelea microcarpa Small
             Ptelea serrata Small
             Ptelea trifoliata L. var. deamiana Nieuwl.
  Genus: Ruta

    Ruta graveolens L.*
        common rue
  Genus: Zanthoxylum

    Zanthoxylum americanum Mill.*+
        common prickly-ash, northern prickly-ash
             Xanthoxylum americanum Mill.
             Zanthoxylum americanum Mill. f. impuniens Fassett
             Zanthoxylum fraxineum Willd., nom. illeg.

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