Crataegus submollis Sargent. Quebec Hawthorn. Phen: May-June; Sep-Oct. Hab: Scrubland, field margins, usually on calcareous substrates. Dist: E. Canada south to n. PA, n. MI, e. WI. This northern species is rare in our area but might be expected to locally spread from cultivation in OH, WV and MD. A MA form with 16-20 mm fruit, larger than the typical 10-15 mm fruit, was known in the Arnold Arboretum and promoted for cultivation in the early 1900's.

Origin/Endemic status: Native

Synonymy: = FNA9, K4, NY, Lance (2014); > Crataegus arnoldiana Sarg. – F; > Crataegus canadensis Sarg. – F; > Crataegus submollis Sarg. – F

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Heliophily: 6