Synonyms
Pyrus microcarpa (Pursh) DC.
Sorbus microcarpa Pursh
Sorbus aucuparia var. americana (Marshall) Pers.
Sorbus micrantha Dum.Cours.
Aucuparia americana (Marshall) Nieuwl.
Sorbus riparia Raf.
Sorbus humifusa S.Watson
Pyrus americana (Marshall) DC.
Sorbus americana var. micrantha (Dum.Cours.) K.Koch
Pyrus americana var. microcarpa (Pursh) Torr. & A.Gray
Sorbus pumila Raf.
Crataegus americana (Marshall) Chalon
Sorbus americana var. microcarpa (Pursh) Wenz.
Sorbus americana var. macrocarpa Zabel