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  1. Toxicodendron radicans var. rydbergii (Small ex Rydb.) Erskine

      2. This is a synonym of Toxicodendron rydbergii (Small ex Rydb.) Greene

Toxicodendron radicans var. rydbergii (Small ex Rydb.) Erskine appears in other Kew resources:

First published in Pl. Prince Edward Isl.: 190 (1960)

Sources

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0