| Betulaceae | |
Ostrya americana
| F. Michx. | Hist. Arbr. Forest. 3: 54 | 1812 |
| Betulaceae | |
Ostrya baileyi
| Rose | Contr. U.S. Natl. Herb. 8(4): 293 | 1905 |
| Betulaceae | |
Ostrya carpinifolia
| Scop. | Fl. Carniol. (ed. 2) 2: 244 | 1772 |
| Betulaceae | |
Ostrya chisosensis
| Correll | Wrightia 3(7): 128 | 1965 |
| Betulaceae | |
Ostrya csar
| | | |
| Betulaceae | |
Ostrya guatemalensis
| (H.J.P. Winkl.) Rose | Contr. U.S. Natl. Herb. 8(4): 292 | 1905 |
| Betulaceae | |
Ostrya italica
| Spach | Hist. Nat. Vég. 9: 216 | 1842 |
| Betulaceae | |
Ostrya japonica
| Sarg. | Gard. & Forest 6: 383, f. 58 | 1893 |
| Betulaceae | |
Ostrya knowltonii
| Coville | Gard. & Forest 7: 114 | 1894 |
| Betulaceae | |
Ostrya ladelchii
| Sanguin. | Fl. Roman. Prodr. Alt. 818 | 1864 |
| Betulaceae | |
Ostrya ladelcii
| Sanguin. | Fl. Roman. Prodr. 818 | 1864 |
| Betulaceae | |
Ostrya liana
| H.H. Hu | J. Arnold Arbor. 11(1): 49–50 | 1930 |
| Betulaceae | |
Ostrya mandshurica
| Budischtschew ex Trautvetter | Trudy Imp. S.-Peterburgsk. Bot. Sada 9: 166 | 1884 |
| Betulaceae | |
Ostrya mexicana
| Rose | Contr. U.S. Natl. Herb. 8(4): 292 | 1905 |
| Betulaceae | |
Ostrya multinervis
| Rehder | J. Arnold Arbor. 19(1): 71, pl. 217 | 1938 |
| Betulaceae | |
Ostrya ostrya
| MacMill. | Metasp. Minnesota Valley 187 | 1892 |
| Betulaceae | |
Ostrya quatemalensis
| Rose | Contr. U.S. Natl. Herb. 8: 292 | 1905 |
| Betulaceae | |
Ostrya rehderiana
| Chun | J. Arnold Arbor. 8(1): 19–20 | 1927 |
| Betulaceae | |
Ostrya trichocarpa
| D. Fang & Y.S. Wang | Guihaia 3(3): 189–190, pl. 1 | 1983 |
| Betulaceae | |
Ostrya virginiana
| (Mill.) K. Koch | Dendrologie 2(2): 6–7 | 1873 |
| Betulaceae | |
Ostrya virginica
| Willd. | Sp. Pl. 4(1): 469 | 1805 |
| Betulaceae | |
Ostrya vulgaris
| P. Watson | Dendrol. Brit. t. 143 | 1823-1825 |
| Betulaceae | |
Ostrya vulgaris
| (L.) Willd. | Sp. Pl. 4: 469 | 1805 |
| Betulaceae | |
Ostrya yunnanensis
| H.H. Hu ex P.C. Li | Acta Phytotax. Sin. 17(1): 87–88 | 1979 |