| Family1 | Species1 | Family2 | Species2 | SCUS score | Similarity |
| Fabaceae | Lupinus angustifolius | Musaceae | Musa acuminata subsp. malaccensis | 5.96 | Moderately similar |
| Fabaceae | Lupinus angustifolius | Solanaceae | Nicotiana attenuata | 9.34 | Highly Similar |
| Fabaceae | Lupinus angustifolius | Solanaceae | Nicotiana sylvestris | 9.26 | Highly Similar |
| Fabaceae | Lupinus angustifolius | Solanaceae | Nicotiana tabacum | 9.30 | Highly Similar |
| Fabaceae | Lupinus angustifolius | Solanaceae | Nicotiana tomentosiformis | 9.25 | Highly Similar |
| Fabaceae | Lupinus angustifolius | Poaceae | Oryza brachyantha | 4.16 | Dis similar |
| Fabaceae | Lupinus angustifolius | Poaceae | Oryza sativa Japonica Group | 4.12 | Dis similar |
| Fabaceae | Lupinus angustifolius | Poaceae | Panicum hallii | 3.94 | Dis similar |
| Fabaceae | Lupinus angustifolius | Poaceae | Panicum virgatum | 4.16 | Dis similar |
| Fabaceae | Lupinus angustifolius | Fabaceae | Phaseolus vulgaris | 9.09 | Highly Similar |
| Fabaceae | Lupinus angustifolius | Fabaceae | Prosopis alba | 8.86 | Similar |
| Fabaceae | Lupinus angustifolius | Brassicaceae | Raphanus sativus | 3.94 | Dis similar |
| Fabaceae | Lupinus angustifolius | Euphorbiaceae | Ricinus communis | 9.63 | Highly Similar |
| Fabaceae | Lupinus angustifolius | Poaceae | Saccharum officinarum | 5.78 | Moderately similar |
| Fabaceae | Lupinus angustifolius | Pedaliaceae | Sesamum indicum | 8.30 | Similar |
| Fabaceae | Lupinus angustifolius | Poaceae | Setaria italica | 4.06 | Dis similar |
| Fabaceae | Lupinus angustifolius | Poaceae | Setaria viridis | 4.00 | Dis similar |
| Fabaceae | Lupinus angustifolius | Solanaceae | Solanum lycopersicum | 8.73 | Similar |
| Fabaceae | Lupinus angustifolius | Solanaceae | Solanum melongena | 8.64 | Similar |
| Fabaceae | Lupinus angustifolius | Solanaceae | Solanum pennellii | 8.71 | Similar |