| Pyrus adpressa (Bois) M.F.Fay & Christenh. | Cotoneaster adpressus Bois |
| Pyrus ascendens (Flinck & B.Hylmö) M.F.Fay & Christenh. | Cotoneaster horizontalis Decne. |
| Pyrus astrophora (J.Fryer & E.C.Nelson) M.F.Fay & Christenh. | Cotoneaster microphyllus Wall. ex Lindl. |
| Pyrus atroramosa M.F.Fay & Christenh. | Cotoneaster horizontalis Decne. |
| Pyrus atrovirens (J.Fryer & B.Hylmö) M.F.Fay & Christenh. | Cotoneaster horizontalis Decne. |
| Pyrus cashmiriensis (G.Klotz) M.F.Fay & Christenh. | Cotoneaster microphyllus Wall. ex Lindl. |
| Pyrus cochleata (Franch.) M.F.Fay & Christenh. | Cotoneaster microphyllus Wall. ex Lindl. |
| Pyrus dammeri (C.K.Schneid.) M.F.Fay & Christenh. | Cotoneaster dammeri C.K.Schneid. |
| Pyrus duthieana (C.K.Schneid.) M.F.Fay & Christenh. | Cotoneaster adpressus Bois |
| Pyrus elata (G.Klotz) M.F.Fay & Christenh. | Cotoneaster microphyllus Wall. ex Lindl. |
| Pyrus garwalensis (G.Klotz) M.F.Fay & Christenh. | Cotoneaster adpressus Bois |
| Pyrus glacialis (Hook.f. ex Wenzig) M.F.Fay & Christenh. | Cotoneaster microphyllus Wall. ex Lindl. |
| Pyrus horizontalis (Decne.) M.F.Fay & Christenh. | Cotoneaster horizontalis Decne. |
| Pyrus kerstanii (G.Klotz) M.F.Fay & Christenh. | Cotoneaster adpressus Bois |
| Pyrus kweitschoviensis (G.Klotz) M.F.Fay & Christenh. | Cotoneaster dammeri C.K.Schneid. |
| Pyrus melanotricha (Franch.) M.F.Fay & Christenh. | Cotoneaster microphyllus Wall. ex Lindl. |
| Pyrus microphylla (Wall. ex Lindl.) M.F.Fay ex Christenh. | Cotoneaster microphyllus Wall. ex Lindl. |
| Pyrus nan-shan (M.Wilm. ex Mottet) M.F.Fay & Christenh. | Cotoneaster adpressus Bois |
| Pyrus nummularia (Fisch. & C.A.Mey.) M.F.Fay & Christenh. | Cotoneaster nummularius Fisch. & C.A.Mey. |
| Pyrus perpusilla (C.K.Schneid.) M.F.Fay & Christenh. | Cotoneaster horizontalis Decne. |
| Pyrus procumbens (G.Klotz) M.F.Fay & Christenh. | Cotoneaster microphyllus Wall. ex Lindl. |
| Pyrus radicans (Dammer ex C.K.Schneid.) M.F.Fay & Christenh. | Cotoneaster dammeri C.K.Schneid. |
| Pyrus reducta (Diels) M.F.Fay & Christenh. | Sorbus reducta Diels |
| Pyrus subadpressa (T.T.Yu) M.F.Fay & Christenh. | Cotoneaster subadpressus T.T.Yu |
| Pyrus taonensis (G.Klotz) M.F.Fay & Christenh. | Cotoneaster adpressus Bois |
| Pyrus uniflora (Bunge) M.F.Fay & Christenh. | Cotoneaster uniflorus Bunge |