Taxon: Toxicodendron rydbergii (Small ex Rydb.) Greene

 
Genus: Toxicodendron
Family: Anacardiaceae
  Subfamily: Anacardioideae
Nomen number: 409811
Place of publication: Leafl. Bot. Observ. Crit. 1:117. 1905
Name Verified on: 22-Jan-1998 by ARS Systematic Botanists. Last Changed: 08-Jan-2003
Species priority site is:
Accessions: 0 in National Plant Germplasm System

Common names:

  • Rydberg's poison-ivy  (Source: Rhodora) - English

Economic Importance:

  • Vertebrate poisons: mammals (fide Lampe & McCann & Moldenke, as Rhus rydbergii; Kingsbury, as R. radicans var. rydbergii)

Distributional Range:

    Native:

  • Northern America

    • Eastern Canada: Canada - New Brunswick, - Nova Scotia, - Ontario, - Prince Edward Island, - Quebec
    • North-Central U.S.A.: United States - Illinois, - Iowa, - Kansas, - Minnesota, - Nebraska, - North Dakota, - Oklahoma, - South Dakota, - Wisconsin
    • Northeastern U.S.A.: United States - Indiana, - Maine, - Massachusetts, - Michigan, - New Hampshire, - New York, - Ohio, - Pennsylvania, - Vermont, - West Virginia
    • Northwestern U.S.A.: United States - Colorado, - Idaho, - Montana, - Oregon, - Washington, - Wyoming
    • South-Central U.S.A.: United States - New Mexico, - Texas
    • Southeastern U.S.A.: United States - Virginia
    • Southwestern U.S.A.: United States - Arizona, - Utah
    • Western Canada: Canada - Alberta, - British Columbia, - Manitoba, - Saskatchewan

References:

  • Allred, Kelly W. Flora Neomexicana I: The vascular plants of New Mexico, an annotated checklist to the names of vascular plants with synonymy and bibliography. 2008 (L New Mex)
  • Gillis, W. T. 1971. The systematics and ecology of poison-ivy and the poison-oaks (Toxicodendron, Anacardiaceae) (Rhodora) 73:38.
  • Lampe, K. F. & M. A. McCann AMA handbook of poisonous and injurious plants. 1985 (Lampe & McCann)
  • Moerman, D. Native American ethnobotany, ed. 5. 1998 (Nat Amer Ethnobot)

Synonyms:

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