Endangered Species
Midwest Region



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Fassett's locoweed

Oxytropis campestris var. chartacea


Flowers of the Fassett's locoweed.

Photo by Joel Trick; USFWS

Status: Threatened, listed September 28, 1988


Habitat: Open sandy lakeshores


Lead Region: 3


Region 3 Lead Office: Wisconsin - Minnesota Field Office


Range: Wisconsin


Photos on Flicker


Fassett's locoweed, a threatened plant, is endemic to Wisconsin; found only in Bayfield, Portage and Waushara counties. It is a perennial in the pea family that grows on gentle slopes in sand-gravel shorelines around shallow lakes which are subject to water level fluctuations. The plant depends on the open habitat (above the water line) provided when lake levels are low and a large seed bank that germinates in this open habitat for long-term population maintenance. It starts to bloom in early May and flowers can be found through late June, but its presence depends on water level. If water levels are high, the plant may not be present or may not bloom.


Natural History, Ecology, and Regulatory Information

Fact sheet


Species Profile linked to National USFWS website


Fassett's Locoweed Listing Rule (Sept. 1988) 3-page PDF



Fassett's Locoweed Five-Year Review (June 19, 2013) (46-page PDF)


Recovery Land Acquisition Grant (2010): Plainfield Tunnel Channel Lakes State Natural Area (Waushara County, WA) $165,500


Fassett's Locoweed Five-Year Review (September 2009) (29-page PDF)


Section 6 Grant: Determination of the status of Piping Plovers, Eastern Prairie Fringed Orchid, Prairie Bush Clover, Fassett's Locoweed, and implement recovery management for Karner Blue Butterfly and Fassett's Locoweed (Wisconsin)


Listed Plants

Midwest Endangered Species Home


Last updated: March 12, 2018