Ostrya virginiana Britton, Sterns & Poggenb., 1888 species doubtful

Ostrya virginiana subsp. carpinifolia (Scop.) Briq. subspecies synonym

Ostrya knowltonii Coville species accepted

Carpinus italica Scop. species homotypic synonym

Ostrya japonica Schelle & Handbuch der Laubholzbenennung, 1893 species doubtful

Ostrya virginiana var. glandulosa (Spach) J.F.Macbr. variety synonym

Ostrya italica P.Micheli species homotypic synonym

Ostrya walkeri Heer, 1887 species accepted

Carpinus virginiana Mill. species synonym

Zugilus virginica Raf. species synonym

Carpinus italica Scop. ex Steud. species synonym

Carpinus ostrya L. species synonym

Ostrya virginiana var. virginiana variety synonym

Ostrya quatemalensis Rose species doubtful

Ostrya trichocarpa D.Fang & Y.S.Wang species accepted

Ostrya knowltonii Sarg. species doubtful

Ostrya chisosensis Correll species synonym

Ostrya knowltonii var. chisosensis (Correll) A.E.Murray variety synonym

Ostrya rehderiana Chun species accepted

Ostrya multinervis Rehder species synonym

Ostrya yunnanensis W.K.Hu species accepted

Ostrya virginiana (Mill.) K.Koch species accepted

Ostrya italica subsp. virginiana (Mill.) H.J.P.Winkl. subspecies synonym

Ostrya carpinifolia Scop. species accepted

Ostrya italica subsp. carpinifolia (Scop.) H.J.P.Winkl. subspecies synonym

Ostrya carpinifolia var. genuina Fliche variety synonym

Ostrya ladelcii Sanguin. species synonym

Ostrya vulgaris Willd. species synonym

Ostrya italica P.Micheli ex Spach species synonym

Ostrya japonica Sarg. species accepted

Ostrya liana Hu species synonym

Ostrya japonica var. homochaeta Honda variety synonym

Ostrya ostrya var. japonica (Sarg.) C.K.Schneid. variety synonym

Ostrya virginica var. japonica Maxim. ex Sarg. variety synonym

Ostrya virginiana var. chisosensis (Correll) Henrickson variety synonym

Ostrya virginica var. glandulosa Spach variety synonym

Ostrya ladelchii Sang. species doubtful

Ostrya quercifolia hort. ex Lavallée, 1877 species doubtful

Ostrya virginica var. japonica Maxim. variety homotypic synonym

Ostrya quercifolia hort. species homotypic synonym

Ostrya chinensis I.M.Turner species accepted

Ostrya vulgaris P.Watson species accepted

Ostrya knowltonii subsp. chisosensis (Correll) E.Murray subspecies synonym