Hartmannia speciosa
| Hartmannia speciosa (Nuttall) Small, Bull. Torrey Bot. Club 23: 181. 1896. | BASIONYM: Oenothera speciosa Nuttall 1821. | |
Oenothera speciosa var. typica
| Oenothera speciosa Nuttall, var. typica Munz, Amer. J. Bot. 19: 764. 1932, nom. inadmiss. | BASIONYM: Oenothera speciosa Nuttall 1821. | |
Xylopleurum nuttallii
| Xylopleurum nuttallii Spach, Hist. Nat. Vég. 4: 378. 1835, nom. illegit. | BASIONYM: Oenothera speciosa Nuttall 1821. | |
Xylopleurum speciosum
| Xylopleurum speciosum (Nuttall) Raimann, in Engler & Prantl, Nat. Pflanzenfam. 3(7): 214. 1893. | BASIONYM: Oenothera speciosa Nuttall 1821. | |
Hartmannia berlandieri
| Hartmannia berlandieri (Spach) Rose, Contr. U.S. Natl. Herb. 8: 328. 1905. | BASIONYM: Xylopleurum berlandieri Spach 1836. | |
Hartmannia reverchonii
| Hartmannia reverchonii Rose, Contr. U.S. Natl. Herb. 8: 329. 1905. | | TYPE: TEXAS: Harris Co.: Railroad E of La Porte, 16 Jun 1903, Reverchon 3554 (holotype: US). |
Oenothera berlandieri
| Oenothera berlandieri (Spach) Spach ex D. Dietrich, Syn. Pl. 2: 1289. 1840. | BASIONYM: Xylopleurum berlandieri Spach 1836. | |
Oenothera delessertiana
| Oenothera delessertiana Steudel, Nomencl. Bot., ed. 2. 2: 206. 1841, nom. illegit. | BASIONYM: Xylopleurum berlandieri Spach 1836 . | |
Oenothera hirsuta
| Oenothera hirsuta (Spach) D. Dietrich, Syn. Pl. 2: 1289. 1840. | BASIONYM: Xylopleurum hirsutum Spach 1836. | |
Oenothera obtusifolia
| Oenothera obtusifolia (Spach) D. Dietrich, Syn. Pl. 2: 1289. 1840. | BASIONYM: Xylopleurum obtusifolium Spach 1836. | |
Oenothera shimekii
| Oenothera shimekii H. Léveillé & Guffroy, in H. Léveillé, Monogr. Oenothera 119. 1902. | | TYPE: OKLAHOMA: |
Oenothera spachii
| Oenothera spachii D. Dietrich, Syn. Pl. 2: 1289. 1840. | BASIONYM: Xylopleurum drummondii Spach 1836. | |
Oenothera speciosa var. berlandieri
| Oenothera speciosa Nuttall, var. berlandieri (Spach) Munz, Amer. J. Bot. 19: 765. 1932. | BASIONYM: Xylopleurum berlandieri Spach 1836. | |
Oenothera speciosa var. childsii
| Oenothera speciosa Nuttall, var. childsii (L. H. Bailey) Munz, Leafl. W. Bot. 2: 87. 1938. | BASIONYM: Oenothera tetraptera Cavanilles, var. childsii L. H. Bailey 1901. | |
Oenothera tetraptera var. childsii
| Oenothera tetraptera Cavanilles, var. childsii L. H. Bailey, Cycl. Amer. Hort. 1121. 1901. | | TYPE: TEXAS: |
Oenothera webbiana
| Oenothera webbiana Steudel, Nomencl. Bot., ed. 2. 2: 208. 1841, nom. illegit. | BASIONYM: Oenothera spachii D. Dietrich 1840; Xylopleurum drummondii Spach 1836. | |
Xylopleurum berlandieri
| Xylopleurum berlandieri Spach, Nouv. Ann. Mus. Hist. Nat. 4: 370. 1836 ("1835"). | | TYPE: MEXICO: Tamaulipas: Matamoros, |
Xylopleurum drummondii
| Xylopleurum drummondii Spach, Nouv. Ann. Mus. Hist. Nat. 4: 371. 1836 ("1835"). | | TYPE: TEXAS: Rio Brazos, s.d., Drummond s.n. (holotype: G). |
Xylopleurum hirsutum
| Xylopleurum hirsutum Spach, Nouv. Ann. Mus. Hist. Nat. 4: 370. 1836 ("1835"). | | TYPE: MEXICO: |
Xylopleurum obtusifolium
| Xylopleurum obtusifolium Spach, Nouv. Ann. Mus. Hist. Nat. 4: 372. 1836 ("1835"). | | TYPE: TEXAS: |