Some of the content on this website requires JavaScript to be enabled in your web browser to function as intended. While the website is still usable without JavaScript, it should be enabled to enjoy the full interactive experience.

Skip to Main Navigation. Each navigation link will open a list of sub navigation links.

Skip to Main Content

Wyoming Natural Diversity Database

Petitioned Plants Data Compilation

Of five plant species that were petitioned for listing in 2007 under the Endangered Species Act, only one has become a Candidate for listing: Small rockcress (Boechera pusilla). The other four species were denied listing: Precocious milkvetch (Astragalus proimanthus), Yellowstone sand verbena (Abronia ammophila), Gibbens' beardtongue (Penstemon gibbensii), and Ross bentgrass (Agrostis rossiae). The U.S. Fish and Wildlife posted the decisions and supporting documentation in the Federal Register on 9 June 2011. Click on the links in the left menu information on these five species.

In addition, Whitebark pine (Pinus albicaulis) was petitioned for listing in 2008 under the Endangered Species Act. The U.S. Fish and Wildlife Service posted the decision and supporting documentation in the Federal Register on 19 July 2011. Information on this species’ status in Wyoming will be added to this site at a later date.

Share This Page:

Footer Navigation

University of Wyoming Medallion
1000 E. University Ave. Laramie, WY 82071 // UW Operators (307) 766-1121 // Contact Us // Download Adobe Reader // Accessibility Accessibility information icon