Original Description: Lasiopogon cinereus Cole, 1919.
Published State Records: Adisoemarto (1967); Cannings (1994, 2002, 2013) (Wyoming); Cole (1969) (Wyoming); Cole & Wilcox (1938) (Wyoming); Evans (1970); Fisher & Wilcox (1997) (Wyoming); Geller-Grimm (2016) (Wyoming); Martin & Wilcox (1965) (Wyoming).
Published County Records: BH; FR; PA; SW; TE [Lavigne & Holland (1969) (ethology; as Lasiopogon cinereus)]; YNP [Lavigne & Holland (1969) (ethology; as Lasiopogon cinereus)].
Museum Records: BH; FR; PA; TE; YNP.