Crataegus ×lettermanii Sargent. Letterman's Hawthorn. Phen: Apr; Sep-Oct. Hab: Mesic woodlands, scrubland, pastures. Dist: Endemic of s. MO.
Origin/Endemic status: Endemic
Syn: = Lance (2014); = Crataegus collina var. lettermanii – FNA9, G; = Crataegus lettermani – F
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