Pyrus betulifolia (USA)
Pyrus betulifolia Bunge , Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans 2: 101 101 1835.; Rosaceae...
Pyrus
Pyrus calleryana (Introduced)
Pyrus calleryana Decne., Jard. Fruit. 1: 329 329 1858. (syn: Pyrus dimorphophylla Makino; Pyrus kawakamii Hayata; Pyrus mairei H.Lév.; Pyrus tsiukyoensis Koidz.); ....Pyrus communis (Introduced)
Pyrus communis L., Sp. Pl. 1: 479; 2: 1200 479 1753. (syn: Crataegus excelsa Salisb.; Pyrenia pyrus Clairv.; Pyrus achras...Pyrus pashia
Pyrus pashia Buch.-Ham. ex D. Don, Prodr. Fl. Nepal. 236-237 236 1825. (Syn: Aria crenata (D.Don) Decne.; Cormus crenata (D.Don)...Pyrus pyrifolia (Introduced)
Pyrus pyrifolia (Burm. f.) Nakai, Bot. Mag. (Tokyo) 40(479): 564 564 1926. (Syn: Ficus pyrifolia Burm.f.; Pyrus arakiana Koidz.; Pyrus asakeensis...