| Lactarius echinatus Thiers, 1957 |
| Lactarius evosmus Kühner & Romagn., 1954 |
| Lactarius fragilis (Burl.) Hesler & A. H. Sm., 1979 |
| Lactarius fuliginellus A. H. Sm. & Hesler, 1962 |
| Lactarius fumosibrunneus A. H. Sm. & Hesler, 1962 |
| Lactarius fuscomarginatus Montoya, Band.-Muñoz & Haug, 2012 |
| Lactarius gerardii Peck, 1873 |
| Lactarius gerardii var. subrubescens (A. H. Sm. & Hesler) Hesler & A. H. Sm., 1979 |
| Lactarius haugiae Bandala, Montoya & Ramos, 2016 |
| Lactarius herrerae Montoya, Bandala & Garay-Serr., 2014 |
| Lactarius hygrophoroides Berk. & M. A. Curtis, 1859 |
| Lactarius indigo (Schwein.) Fr., 1838 |
| Lactarius insulsus (Fr.) Fr., 1838 |
| Lactarius lacteolutescens Montoya, Band.-Muñoz & G. Moreno, 1998 |
| Lactarius lacunarum (Romagn.) ex Hora, 1960 |
| Lactarius lignyotellus A. H. Sm. & Hesler, 1962 |
| Lactarius luculentus Burl., 1936 |
| Lactarius maculatus Peck, 1885 |
| Lactarius mexicanus L. Kong & Estrada, 1994 |
| Lactarius miniatosporus Montoya & Band.-Muñoz, 2004 |