| Family1 | Species1 | Family2 | Species2 | SCUS score | Similarity |
| Solanaceae | Nicotiana sylvestris | Fabaceae | Arachis duranensis | 9.10 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Fabaceae | Arachis hypogaea | 9.10 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Fabaceae | Arachis ipaensis | 9.10 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Cucurbitaceae | Benincasa hispida | 8.55 | Similar |
| Solanaceae | Nicotiana sylvestris | Chenopodiaceae | Beta vulgaris subsp. vulgaris | 9.35 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Poaceae | Brachypodium distachyon | 4.61 | Dis similar |
| Solanaceae | Nicotiana sylvestris | Brassicaceae | Brassica juncea | 4.81 | Dis similar |
| Solanaceae | Nicotiana sylvestris | Brassicaceae | Brassica napus | 4.86 | Dis similar |
| Solanaceae | Nicotiana sylvestris | Brassicaceae | Brassica oleracea var. oleracea | 4.80 | Dis similar |
| Solanaceae | Nicotiana sylvestris | Brassicaceae | Brassica rapa | 4.86 | Dis similar |
| Solanaceae | Nicotiana sylvestris | Fabaceae | Cajanus cajan | 8.68 | Similar |
| Solanaceae | Nicotiana sylvestris | Brassicaceae | Camelina sativa | 5.04 | Moderately similar |
| Solanaceae | Nicotiana sylvestris | Brassicaceae | Capsella rubella | 5.31 | Moderately similar |
| Solanaceae | Nicotiana sylvestris | Solanaceae | Capsicum annuum | 9.70 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Chenopodiaceae | Chenopodium quinoa | 9.61 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Fabaceae | Cicer arietinum | 9.15 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Rutaceae | Citrus clementina | 9.34 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Rutaceae | Citrus sinensis | 9.36 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Cucurbitaceae | Cucumis melo | 8.35 | Similar |
| Solanaceae | Nicotiana sylvestris | Cucurbitaceae | Cucumis sativus | 8.47 | Similar |