| Family1 | Species1 | Family2 | Species2 | SCUS score | Similarity |
| Fabaceae | Lupinus angustifolius | Cucurbitaceae | Cucurbita pepo subsp. pepo | 6.70 | Moderately similar |
| Fabaceae | Lupinus angustifolius | Asteraceae | Cynara cardunculus var. scolymus | 5.89 | Moderately similar |
| Fabaceae | Lupinus angustifolius | Apiaceae | Daucus carota subsp. sativus | 8.82 | Similar |
| Fabaceae | Lupinus angustifolius | Malvaceae | Durio zibethinus | 9.56 | Highly Similar |
| Fabaceae | Lupinus angustifolius | Brassicaceae | Eutrema salsugineum | 3.90 | Dis similar |
| Fabaceae | Lupinus angustifolius | Fabaceae | Glycine max | 8.93 | Similar |
| Fabaceae | Lupinus angustifolius | Fabaceae | Glycine soja | 8.94 | Similar |
| Fabaceae | Lupinus angustifolius | Malvaceae | Gossypium arboreum | 8.37 | Similar |
| Fabaceae | Lupinus angustifolius | Malvaceae | Gossypium hirsutum | 8.37 | Similar |
| Fabaceae | Lupinus angustifolius | Malvaceae | Gossypium raimondii | 8.29 | Similar |
| Fabaceae | Lupinus angustifolius | Asteraceae | Helianthus annuus | 4.70 | Dis similar |
| Fabaceae | Lupinus angustifolius | Malvaceae | Herrania umbratica | 9.28 | Highly Similar |
| Fabaceae | Lupinus angustifolius | Euphorbiaceae | Hevea brasiliensis | 8.99 | Similar |
| Fabaceae | Lupinus angustifolius | Poaceae | Hordeum vulgare | 4.38 | Dis similar |
| Fabaceae | Lupinus angustifolius | Euphorbiaceae | Jatropha curcas | 9.97 | Highly Similar |
| Fabaceae | Lupinus angustifolius | Asteraceae | Lactuca sativa | 6.53 | Moderately similar |
| Fabaceae | Lupinus angustifolius | Fabaceae | Lupinus angustifolius | 10.00 | Highly Similar |
| Fabaceae | Lupinus angustifolius | Euphorbiaceae | Manihot esculenta | 9.31 | Highly Similar |
| Fabaceae | Lupinus angustifolius | Fabaceae | Medicago truncatula | 8.50 | Similar |
| Fabaceae | Lupinus angustifolius | Cucurbitaceae | Momordica charantia | 7.58 | Similar |