Fagus americana
| Fagus americana (Persoon) Sweet, Hort. Brit. 370. 1826. | BASIONYM: Fagus sylvatica Linnaeus, var. americana Persoon 1807. | |
Fagus ferruginea
| Fagus ferruginea Aiton, Hort. Kew. 3: 362. 1789. | | |
Fagus ferruginea var. caroliniana
| Fagus ferruginea Aiton, var. caroliniana Loudon, Arb. Frut. Brit. 3: 1980, fig. 1915. 1838. | | |
Fagus grandifolia forma caroliniana
| Fagus grandifolia Ehrhart, forma caroliniana (Loudon) Farwell, Pap. Michigan Acad. Sci. 3: 93. 1924. | BASIONYM: Fagus ferruginea Aiton, var. caroliniana Loudon 1838. | |
Fagus grandifolia forma mollis
| Fagus grandifolia Ehrhart, forma mollis Fernald & Rehder, in Rehder, Rhodora 9: 114. 1907. | | TYPE: FLORIDA: Leon Co.: Tallahassee, 7-9 Aug 1895, Nash 2339 (holotype: GH?). |
Fagus grandifolia var. caroliniana
| Fagus grandifolia Ehrhart, var. caroliniana (Loudon) Fernald & Rehder, Rhodora 9: 114. 1907. | BASIONYM: Fagus ferruginea Aiton, var. caroliniana Loudon 1838. | |
Fagus grandifolia var. typica
| Fagus grandifolia Ehrhart, var. typica Rehder, Mitt. Deutsch. Dendrol. Ges. 16: 70. 1907, nom. inadmiss. | BASIONYM: Fagus grandifolia Ehrhart 1788. | |
Fagus sylvatica var. americana
| Fagus sylvatica Linnaeus, var. americana Persoon, Syn. Pl. 2: 571. 1807. | | |
Fagus sylvatica var. ferruginea
| Fagus sylvatica Linnaeus, var. ferruginea (Aiton) N. Coleman, Cat. Fl. Pl. S. Pen. Mich. 35. 1874. | BASIONYM: Fagus ferruginea Aiton 1789. | |
Fagus alba
| Fagus alba Rafinesque, Fl. Ludov. 134. 1817. | | TYPE: LOUISIANA: |
Fagus atropunicea
| Fagus atropunicea (Marshall) Sudworth, Bull. Torrey Bot. Club 26: 43. 1893. | BASIONYM: Fagus sylvatica Linnaeus, var. atropunicea Marshall 1785. | |
Fagus grandifolia subsp. mexicana
| Fagus grandifolia Ehrhart, subsp. mexicana (Martínez) E. Murray, Kalmia 13: 6. 1983. | BASIONYM: Fagus mexicana Martínez 1939. | |
Fagus grandifolia var. mexicana
| Fagus grandifolia Ehrhart, var. mexicana (Martínez) Little, Castanea 30: 168. 1965. | BASIONYM: Fagus mexicana Martínez 1939. | |
Fagus grandifolia var. pubescens
| Fagus grandifolia Ehrhart, forma pubescens Fernald & Rehder, in Rehder, Rhodora 9: 111. 1907. | | |
Fagus heterophyla
| Fagus heterophyla Rafinesque, New Fl. 2: 80. 1838 ("1836"). | | |
Fagus mexicana
| Fagus mexicana Martínez, México Forest. 17: 66. 1939. | | |
Fagus nigra
| Fagus nigra Rafinesque, New Fl. 2: 81. 1838 ("1836"). | | |
Fagus rotundifolia
| Fagus rotundifolia Rafinesque, Atlantic J. 177. 1833. | | |
Fagus sylvatica var. atropunicea
| Fagus sylvatica Linnaeus, var. atropunicea Marshall, Arbust. Amer. 46. 1785. | | |
Fagus sylvestris
| Fagus sylvestris F. Michaux, Hist. Arbr. Forest. 2: 170. 1811. | | |
Fagus virginiana
| Fagus virginiana Wesmael, Bull. Congr. Bot. Bruxelles 261. 1864. | | |