Cephalanthus acuminatus
| Cephalanthus acuminatus Rafinesque, New Fl. 3: 25. 1838 ("1836"), nom. illegit. | BASIONYM: Cephalanthus occidentalis Linnaeus 1753. | |
Cephalanthus occidentalis var. pubescens
| Cephalanthus occidentalis Linnaeus, var. pubescens Rafinesque, Med. Fl. 1: 101. 1828. | | TYPE: GEORGIA: |
Cephalanthus oppositifolius
| Cephalanthus oppositifolius Moench, Methodus 487. 1794, nom. illegit. | BASIONYM: Cephalanthus occidentalis Linnaeus 1753. | |
Cephalanthus berlandieri
| Cephalanthus berlandieri Wernham, J. Bot. 55: 175. 1917. | | TYPE: MEXICO: Without data, Berlandier 1620 (holotype: BM). |
Cephalanthus hansenii
| Cephalanthus hansenii Wernham, J. Bot. 55: 176. 1917. | | TYPE: CALIFORNIA: Without data, Hansen 1163 (lectotype: BM). Lectoypified by Ridsdale, Blumea 23: 181. 1976. |
Cephalanthus obtusifolius
| Cephalanthus obtusifolius Rafinesque, New Fl. 3: 25. 1838 ("1836"). | | TYPE: MISSOURI: |
Cephalanthus occidentalis forma lanceolatus
| Cephalanthus occidentalis Linnaeus, forma lanceolatus Fernald, Rhodora 49: 181. 1947. | | TYPE: VIRGINIA: Southampton Co.: Dardens Pond N of Courtland, 16 Sep 1946, Fernald et al. 15357 (holotype: GH; isotype: PH). |
Cephalanthus occidentalis subsp. californicus
| Cephalanthus occidentalis Linnaeus, subsp. californicus (Bentham) E. Murray, Kalmia 12: 19. 1982. | BASIONYM: Cephalanthus occidentalis Linnaeus, var. californicus Bentham 1849. | |
Cephalanthus occidentalis var. brachypodus
| Cephalanthus occidentalis Linnaeus, var. brachypodus de Candolle, Prodr. 4: 539. 1830. | | TYPE: MEXICO: |
Cephalanthus occidentalis var. californicus
| Cephalanthus occidentalis Linnaeus, var. californicus Bentham, Pl. Hartw. 314. 1849. | | TYPE: CALIFORNIA: Without data, Hartweg 414 (holotype: BM?). |
Cephalanthus occidentalis var. macrophyllus
| Cephalanthus occidentalis Linnaeus, var. macrophyllus Rafinesque, Med. Fl. 1: 101. 1828. | | TYPE: LOUISIANA: |
Cephalanthus occidentalis var. obtusifolius
| Cephalanthus occidentalis Linnaeus, var. obtusifolius Rafinesque, Med. Fl. 1: 102. 1828. | | TYPE: NEW YORK: |