Taxonomic opinions have differed about this species .
Taxonomic opinions to complicate matters Crataegus macrosperma and various species of C. series Populneae have frequently been misidentified as C. iracunda , leading to differing statements about its geographic range .
Taxonomic opinions have differed about this species , and to complicate matters Crataegus macrosperma and various species of C. series Populneae have frequently been misidentified as C. iracunda , leading to differing statements about its geographic range .