Project 3190: R. A. Ufimov, T. A. Dickinson. 2020. Infrageneric nomenclature adjustments in CrataegusL. (Maleae, Rosaceae). Phytologia. 102 (3):177-199.
Viewing Folio F959 Crataegus L. subg. Crataegus sect. Crataegus ser. Orientales (Schneid.) Pojarkova or ser. Crataegus containing 2 media.

These two series seem to be where Crataegus laciniata may wind up; for use of C. laciniata Ucria, see Kurtto A, Sennikov A, and Lampinen R. 2013. Atlas Flora Europaeae. Distribution of Vascular Plants in Europe. 16. Rosaceae (Cydonia to Prunus, excl. Sorbus). Helsinki: The Committee for Mapping the Flora of Europe & Societas Biologica Fennica Vanamo.

Folio Media

M584674
Crataegus laciniata Ucria, 1796
Leaf
M584673
Crataegus laciniata Ucria, 1796
Leaf