homotypic synonyms:
Sorbus occidentalis species (S. Watson) Greene;
protologue: Proc. Amer. Acad. Arts 23: 263 (1888)
2 857640 Pyrus occidentalis S. Watson
C.S. Sargent, Gard. & Forest, vol. 10 : p. 85, fig. 11 (1897)
Sorbus occidentalis species (S. Watson) Greene;
protologue: Proc. Amer. Acad. Arts 23: 263 (1888)
2 857640 Pyrus occidentalis S. WatsonC.S. Sargent, Gard. & Forest, vol. 10 : p. 85, fig. 11 (1897)