Hesperia dacotae, the Dakota Skipper, can be found in ND,SD,MN,IA, and MD.
Favorite nectar plants include: Echinacea
USDA Growing Zones for this plant include: 3,4,5,6,7,9,10

Host plants:
Aristida
Bouteloua curtipendula
Carex
Panicum
Poa pratensis
Schizachyrium scoparium scoparium
Stipa

PD image courtesy of
USFWS