| Galorrheus zonarius (Bull.) P. Kumm., 1871 |
| Gastrolactarius R. Heim ex J. M. Vidal, 2005 |
| Gastrolactarius denudatus Calonge & J. M. Vidal, 2005 |
| Gloeocybe Earle, 1909 |
| Gloeocybe insulsa Earle, 1909 |
| Gymnomyces Massee & Rodway, 1898 |
| Gymnomyces fallax (Singer & A. H. Sm.) Trappe, T. Lebel & Castellano, 2002 |
| Gymnomyces xerophilus M. E. Sm. & Trappe, 2006 |
| Hypophyllum Paulet, 1808 |
| Hypophyllum sanguifluum Paulet, 1811 |
| Lactarius Pers., 1797 |
| Lactarius acatlanensis Bandala, Montoya & Ramos, 2016 |
| Lactarius alnicola A. H. Sm., 1960 |
| Lactarius areolatus Hesler & A. H. Sm., 1979 |
| Lactarius argillaceifolius Hesler & A. H. Sm., 1979 |
| Lactarius argillaceifolius var. argillaceifolius Hesler & A. H. Sm., 1979 |
| Lactarius argillaceifolius var. megacarpus Hesler & A. H. Sm., 1979 |
| Lactarius atroviolaceus Montoya & Band.-Muñoz, 2003 |
| Lactarius aurantiacus (Pers.) Gray, 1821 |
| Lactarius badiopallescens Hesler & A. H. Sm., 1979 |