Crataegus opaca Hooker & Arnott. Western Mayhaw. Phen: Feb-Mar; Apr-May. Hab: Bottomlands, swampy forests, lowland depressions and wetland soils where flooded for periods of the year. Dist: E. TX to Escambia and Santa Rosa counties, FL (Kunzer et al. 2009).
ID notes: The leaves of C. opaca differ from the eastern C. aestivalis in being predominately elliptical, with subentire to obscurely crenate or shallowly sinuate margins.
Origin/Endemic status: Endemic
Syn: = Ar, FNA9, K1, K3, Lance (2014), Phipps (1988a)