Arizona Ecological Services
Southwest Region
"Conserving the Nature of America"

Wright's Marsh Thistle

Scientific Name:
Cirsium wrightii
Image Unavailable for this species.
Office Lead:
Julie Crawford
Click on the Cactus to View the Document Title Author(s) Year File Size/Source
News Release: Service Determines Petition to List Wright's Marsh Thistle as Endangered or Threatened is Warranted but Precluded
News Release: Service Determines Petition to List Wright's Marsh Thistle as Endangered or Threatened is Warranted but Precluded U.S. Fish and Wildlife Service November 4, 2010 54 Kb
Federal Register: Endangered and Threatened Wildlife and plants; 12-Month Finding on a Petition to List Cirsium wrightii (Wright’s Marsh Thistle) as Endangered or Threatened
Federal Register: Endangered and Threatened Wildlife and plants; 12-Month Finding on a Petition to List Cirsium wrightii (Wright’s Marsh Thistle) as Endangered or Threatened U.S. Fish and Wildlife Service November 4, 2010 137 Kb
News Release: Wright's Marsh Thistle May Warrant ESA Protection
News Release: Wright's Marsh Thistle May Warrant ESA Protection U.S. Fish and Wildlife Service September 10, 2009 124 Kb
Endangered and Threatened Wildlife and Plants; 90-Day Finding on a Petition to List Cirsium wrightii (Wright’s marsh thistle) as Threatened or Endangered with Critical Habitat
Endangered and Threatened Wildlife and Plants; 90-Day Finding on a Petition to List Cirsium wrightii (Wright’s marsh thistle) as Threatened or Endangered with Critical Habitat U.S. Fish and Wildlife Servcie September 10, 2009 78 Kb

Last updated: March 13, 2013
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