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University of Wyoming

» Floristics » Wyoming Projects

Bighorn Basin

Luanne H. Lum

Inventory dates: 2001, 2002

Thesis: Lum, L. H. 2004. A Vascular Flora of the Bighorn Basin, Northern Wyoming, v + 103 pp.

This represents the thesis project by Luanne H. Lum. Fieldwork was conducted during the summers of 2001 and 2002. The area is from the Big Horn Mountains west to the Absaroka Range and from the Bridger/Owl Creek Mountains north to Montana (Big Horn, Hot Springs, Park, and Washakie counties) for a total of 9,429 mi2 ranging in elevation from 4,400 to 9,545 feet. Collected were 7,147 specimens documenting 789 unique taxa. With the addition of 183 “historical” records at RM/USFS the number was raised to 972 total unique taxa. Species of conservation concern totaled 20 documented at 44 sites. Also vouchered were 139 exotics including 15 noxious weeds. Funding was provided by the Bureau of Land Management, C. L. Porter Summer Fellowship in Botany, and the University of Wyoming..

Results & Data

Project Area:
9429 mi.2
# of Collections:
# of Taxa Collected:
# of Historical Taxa:
183 (additional taxa documented only from historical collections)
# of State Records:
# of Sensitive Taxa:
20 (documented from 44 sites)
# of Exotic Taxa:
# of Noxious Weeds:

Project Map:

Map shows the approximate project boundary. Collection sites are displayed as red dots. Click on a dot to view site information and a list of specimens from that site.

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