These relatively hairy plants are locally abundant in Ky., especially on dry rocky sites in western regions. They may be treated as a form of the native lanceolata rather than true P. vulgaris var. hispida, which is reportedly Asian (Cr). Further global revison is needed. Rafinesque (1836, 2:30) described two species that probably belong here: hirsuta, from "Illinois and Missouri"; and cinerea, from "Florida, Alabama, Wasioto mts. and hills of Kentucky."