Robert W. Freckmann Herbarium

Search Results:       Common Name: poisonivy


List for printing without synonyms and photos.
Checklist from Wisconsin State Herbarium
Click on taxon for details including: Photos ( * ), Distribution Maps ( + ), Ethnobotany and Google Search.
      Family Anacardiaceae (click for list of genera only)  
            Rhus toxicodendron L. *
              [Excluded] poison-ivy, poison-oak
Image of Rhus toxicodendron L.
            Toxicodendron Mill. *
              poison-ivy, poison-oak (DISTRIBUTION MAP GALLERY of SPECIES)
            Toxicodendron radicans (L.) Kuntze subsp. negundo (Greene) Gillis * +
              common eastern poison-ivy, poison-ivy
                 Toxicodendron negundo Greene
                 Toxicodendron radicans (L.) Kuntze var. negundo (Greene) Reveal
Image of Toxicodendron radicans (L.) Kuntze subsp. negundo (Greene) Gillis
            Toxicodendron rydbergii (Small ex Rydb.) Greene * +
              Rydberg's poison-ivy, western poison-ivy
                 Rhus radicans L. var. rydbergii (Small ex Rydb.) Rehder
                 Rhus radicans L. var. vulgaris (Michx.) DC.
                 Rhus rydbergii Small ex Rydb. (pro parte)
                 Rhus toxicodendron L. var. vulgaris Michx.
                 Toxicodendron desertorum Lunell
                 Toxicodendron radicans (L.) Kuntze var. rydbergii (Small ex Rydb.) Erskine
Image of Toxicodendron rydbergii (Small ex Rydb.) Greene


         
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