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University of Wyoming

» Floristics » Wyoming Projects

Cretaceous Mountain and Hogsback Ridge

R. L. Hartman, B. E. Nelson

Inventory dates: 1992

This represents a staff project by R. L. Hartman and B. E. Nelson. Fieldwork was conducted during the summer of 1992. The area encompassed the Cretaceous Mountain and Hogsback Ridge (Sublette County) for a total of 173 mi2 ranging in elevation from 7,000 to 9,000 feet. Collected were 1,667 specimens documenting 355 taxa. Species of conservation concern were Astragalus drabelliformis, Oryzopsis contracta, Stipa swallenii, Townsendia nuttallii, and T. spathulata documented at 37 sites. Also vouchered were numerous exotics and two noxious weeds. Funding was provided by the Mobile Exploration and Producing U.S. Inc. and the University of Wyoming.

Results & Data

Project Area:
173 mi.2
# of Collections:
1667 *
# of Taxa Collected:
355 *
# of State Records:
# of Sensitive Taxa:
5 (documented from 37 sites)
# of Exotic Taxa:
# of Noxious Weeds:

* Data for this project have not yet been released.

Project Map:

Map shows the approximate project boundary. Collection sites and specimen data for this project have not yet been released.

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