Contains the allotetraploid C. douglasii complex (including C. castlegarensis and C. okennonii), diploid C. rhodamae-loveae sp. nov., and allotpolyploid C. suksdorfii
Folio Media
Project 3190: R. A. Ufimov, T. A. Dickinson. 2020. Infrageneric nomenclature adjustments in CrataegusL. (Maleae, Rosaceae). Phytologia. 102 (3):177-199.
Viewing Folio F883 Crataegus L. subg. Sanguineae Ufimov sect. Douglasianae C.K.Schneid. ser. Douglasianae Rehder containing 20 media.