The taxonomy of poison ivy, with a note of the origin of the generic name McNair, James Birtley, 1889-1967 creator text book Chicago 1925 1925
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ENG Poison ivy QK1 .F4 v. 4, no. 3 Publication (Field Museum of Natural History : 1909), 225 Publication (Field Museum of Natural History : 1909), Botanical series, v. 4, no. 3 https://www.biodiversitylibrary.org/bibliography/42246 0015-0746 https://www.biodiversitylibrary.org/bibliography/2353 985249 10.5962/bhl.title.2353