Crataegus austromontana Beadle. Phen: Apr; Sep-Oct. Hab: Mountain woodlands, over sandstone or calcareous rock. Dist: N. AL, c. and se. TN?
Origin/Endemic status: Endemic
Taxonomy Comments: A rare, possibly extinct taxa described from the Sand Mountain area, closely related to C. triflora Chapman but having 10 stamens per flower, large, roundish leaves and a straggling growth habit. Possibly a local variant form of C. triflora, or an intermediate; it has remained undocumented by collections for over 100 years.
Synonymy: = FNA9, S13, Tn, Phipps, Lance, & Dvorsky (2006)