| Asteraceae | |
Lactuca sativa var. angustana
| Irish ex Bremer | | ** |
| Asteraceae | |
Lactuca sativa convar asparagina
| L.H. Bailey ex Holub | Folia Geobot. Phytotax. 28(1): 107 | 1993 |
| Asteraceae | |
Lactuca sativa var. asparagina
| L.H. Bailey | | ** |
| Asteraceae | |
Lactuca sativa var. capitata
| L. | Sp. Pl. 2: 795 | 1753 |
| Asteraceae | |
Lactuca sativa var. longifolia
| Lam. | | ** |