| Fabaceae | |
Lupinus bicolor subsp. bicolor
| | | |
| Fabaceae | |
Lupinus bicolor var. bicolor
| | | |
| Fabaceae | |
Lupinus bicolor subsp. marginatus
| D.B. Dunn | Aliso 3(2): 159–160, map 4 | 1955 |
| Fabaceae | |
Lupinus bicolor var. micranthus
| B. Boivin | Naturaliste Canad. 93(4): 434 | 1966 |
| Fabaceae | |
Lupinus bicolor subsp. microphyllus
| (S. Watson) D.B. Dunn | Aliso 3(2): 151 | 1955 |
| Fabaceae | |
Lupinus bicolor var. microphyllus
| (S. Watson) C.P. Sm. | Bull. Torrey Bot. Club 50(12): 382 | 1923 [1924] |
| Fabaceae | |
Lupinus bicolor subsp. pipersmithii
| (A. Heller) D.B. Dunn | Aliso 3(2): 153 | 1955 |
| Fabaceae | |
Lupinus bicolor var. pipersmithii
| (A. Heller) C.P. Sm. | Bull. Torrey Bot. Club 50(12): 380 | 1923 [1924] |
| Fabaceae | |
Lupinus bicolor var. rostratus
| (Eastw.) Jeps. | Fl. Calif. 2(3): 273 | 1936 |
| Fabaceae | ** |
Lupinus bicolor var. rostratus
| (Eastw.) D.B. Dunn | Aliso 3(2): 158 | 1955 |
| Fabaceae | |
Lupinus bicolor var. tetraspermus
| C.P. Sm. | Bull. Torrey Bot. Club 50(12): 385–386, f. 90 | 1923 [1924] |
| Fabaceae | |
Lupinus bicolor subsp. tridentatus
| (Eastw. ex C.P. Sm.) D.B. Dunn | Aliso 3(2): 155 | 1955 |
| Fabaceae | |
Lupinus bicolor var. tridentatus
| Eastw. ex C.P. Sm. | Bull. Torrey Bot. Club 50(12): 377–380, f. 87 | 1923 [1924] |
| Fabaceae | |
Lupinus bicolor var. trifidus
| (S. Watson) C.P. Sm. | Bull. Torrey Bot. Club 50(12): 386 | 1923 [1924] |
| Fabaceae | ** |
Lupinus bicolor var. trifidus
| (S. Watson) D.B. Dunn | Aliso 3(2): 152 | 1955 |
| Fabaceae | |
Lupinus bicolor subsp. umbellatus
| (Greene) D.B. Dunn | Aliso 3(2): 149 | 1955 |
| Fabaceae | |
Lupinus bicolor var. umbellatus
| (Greene) C.P. Sm. | Bull. Torrey Bot. Club 50(12): 377 | 1923 [1924] |