| Lupinus glabrior (S. Watson) Rose, 1905 |
| Lupinus grandis Rose, 1905 |
| Lupinus grayi S. Watson, 1876 |
| Lupinus guadalupensis Greene, 1885 |
| Lupinus harleyanus C.P. Sm., 1941 |
| Lupinus hartwegii Lindl., 1839 |
| Lupinus havardii S. Watson, 1882 |
| Lupinus hintonii C.P. Sm., 1938 |
| Lupinus hintoniorum B.L. Turner, 1994 |
| Lupinus hirsutissimus Benth., 1835 |
| Lupinus howard-scottii C.P. Sm., 1949 |
| Lupinus howardii M.E. Jones, 1908 |
| Lupinus huachucanus M.E. Jones, 1908 |
| Lupinus humifusus Sessé & Moc. ex G. Don, 1832 |
| Lupinus hyacinthinus Greene, 1910 |
| Lupinus idoneus C.P. Sm., 1938 |
| Lupinus jaimehintoniana B.L. Turner, 1996 |
| Lupinus latifolius Lindl. ex J. Agardh, 1835 |
| Lupinus latifolius subsp. parishii (C.P. Sm.) Kenney & D.B. Dunn, 1977 |
| Lupinus latifolius subsp. wigginsii (C.P. Sm.) Kenney & D.B. Dunn, 1977 |