Crataegus fluviatilis is a species of hawthorn similar to C. flabellata and to C. macrosperma.[1] The name C. apiomorpha has been applied to a form of the species that is most similar to C. macrosperma.[1]

References

  1. ^ a b Phipps, J.B. (2015), "Crataegus fluviatilis Sargent, Rhodora. 5: 117. 1903", in L. Brouillet; K. Gandhi; C.L. Howard; H. Jeude; R.W. Kiger; J.B. Phipps; A.C. Pryor; H.H. Schmidt; J.L. Strother; J.L. Zarucchi (eds.), Magnoliophyta: Picramniaceae to Rosaceae, Flora of North America North of Mexico, vol. 9, New York, Oxford: Oxford University Press, pp. 564–5