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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 updated: 08-Jan-2003
No species priority site assigned.

NO ACCESSIONS IN NPGS UNDER THIS NAME.

Common names:

  • Rydberg's poison-ivy   (Source: Rhodora 73:390. 1971) – English

Economic importance:

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

Distributional range:

      Native: (links to other web resources are provided for some distributions)
  • NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
    Eastern Canada: Canada - New Brunswick, Nova Scotia, Ontario [s.], Prince Edward Island, Quebec [s.]
    Western Canada: Canada - Alberta [s.], British Columbia [s.e.], Manitoba [s.], Saskatchewan [s.]
    Northeastern U.S.A.: United States - Indiana [n.], Maine, Massachusetts, Michigan, New Hampshire, New York, Ohio [n.], Pennsylvania, Vermont, West Virginia
    North-Central U.S.A.: United States - Illinois [n.], Iowa, Kansas, Minnesota, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin
    Northwestern U.S.A.: United States - Colorado, Idaho, Montana, Oregon, Washington, Wyoming
    Southeastern U.S.A.: United States - Virginia [w.]
    South-Central U.S.A.: United States - New Mexico, Texas
    Southwestern U.S.A.: United States - Arizona, Utah

References:

  • Allred, Kelly W. 2008. Flora Neomexicana I: The vascular plants of New Mexico, an annotated checklist to the names of vascular plants with synonymy and bibliography.
  • 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. 1985. AMA handbook of poisonous and injurious plants. [poisonous].
More:

Synonyms:


Check other web resources for Toxicodendron rydbergii (Small ex Rydb.) Greene:


Check other web resources for images:

  • PlantSystematics.org
  • Google Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?409811 (24 October 2014)

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