| Papaveraceae | |
Stylophorum cambricum
| (L.) Spreng. | Syst. Veg. 2: 570 | 1825 |
| Papaveraceae | |
Stylophorum diphyllum
| (Michx.) Nutt. | Gen. N. Amer. Pl. 2: 7 | 1818 |
| Papaveraceae | |
Stylophorum heterophyllum
| (Benth.) Steud. | Nomencl. Bot. (ed. 2) 2(12–13): 650 | 1841 |
| Papaveraceae | |
Stylophorum japonicum
| (Thunb.) Miq. | Ann. Mus. Bot. Lugduno-Batavi 3: 11 | |
| Papaveraceae | |
Stylophorum lactucoides
| (Benth. & Hook. f.) Baill. | Hist. Pl. 3: 114 | 1872 |
| Papaveraceae | |
Stylophorum lasiocarpum
| (Oliv.) Fedde | Pflanzenr. 40(IV.104): 209, pl. 25, f. n–o | 1909 |
| Papaveraceae | |
Stylophorum nepalense
| (DC.) Spreng. | Syst. Veg. [Sprengel] 4(2): 203 | 1827 |
| Papaveraceae | |
Stylophorum ohiense
| Spreng. | Syst. Veg. [Sprengel] 2: 570 | 1825 |
| Papaveraceae | |
Stylophorum paniculatum
| (D. Don) G. Don | Gen. Hist. 1: 135 | 1831 |
| Papaveraceae | |
Stylophorum simplicifolium
| (D. Don) Spreng. | Syst. Veg. [Sprengel] 4(2): 203 | 1827 |
| Papaveraceae | |
Stylophorum sutchuenense
| (Franch.) Fedde | Bot. Jahrb. Syst. 36(Beibl. 82): 45 | 1905 |