Crataegus pruinosa (H.L. Wendland) K. Koch var. virella (Ashe) Kruschke. Hairy Frosted Hawthorn. Phen: Apr-May; Sep-Nov. Hab: Open woodlands, rocky uplands. Dist: NY to WI, s. to n. VA, OH; also in MO, AR, se. OK.
ID notes: The presence of hairs on foliage and inflorescence stems is the primary distinguishing trait of this variety, as other varieties tend to be glabrous or glabrate.
Origin/Endemic status: Native
Syn: = FNA9, Lance (2014); < Crataegus pruinosa – GrPl, K3