IUCN threat status:

Least Concern (LC)


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Range Description

This species occurs from the Marais des Cygnes River, Kansas, eastward through southern Missouri in the Osage River, and into the Black and Black Rock Rivers, Arkansas, USA (Fetzner 2008, Pflieger 1996, Williams 1954). Recent work shows that this species also extends into Iowa and Southern Minnesota, while this species presence in Wisconsin is uncertain (S. Adams, G. Schuster and C. Taylor pers. comm. 2009).

The extent of occurrence (EOO) of this species has been estimated to exceed 85,000 km2.


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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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