| Family1 | Species1 | Family2 | Species2 | SCUS score | Similarity |
| Solanaceae | Nicotiana sylvestris | Cucurbitaceae | Cucurbita maxima | 7.63 | Similar |
| Solanaceae | Nicotiana sylvestris | Cucurbitaceae | Cucurbita moschata | 7.45 | Similar |
| Solanaceae | Nicotiana sylvestris | Cucurbitaceae | Cucurbita pepo subsp. pepo | 7.41 | Similar |
| Solanaceae | Nicotiana sylvestris | Asteraceae | Cynara cardunculus var. scolymus | 6.63 | Moderately similar |
| Solanaceae | Nicotiana sylvestris | Apiaceae | Daucus carota subsp. sativus | 9.48 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Malvaceae | Durio zibethinus | 9.04 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Brassicaceae | Eutrema salsugineum | 4.64 | Dis similar |
| Solanaceae | Nicotiana sylvestris | Fabaceae | Glycine max | 8.52 | Similar |
| Solanaceae | Nicotiana sylvestris | Fabaceae | Glycine soja | 8.54 | Similar |
| Solanaceae | Nicotiana sylvestris | Malvaceae | Gossypium arboreum | 9.09 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Malvaceae | Gossypium hirsutum | 9.09 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Malvaceae | Gossypium raimondii | 9.02 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Asteraceae | Helianthus annuus | 5.43 | Moderately similar |
| Solanaceae | Nicotiana sylvestris | Malvaceae | Herrania umbratica | 8.95 | Similar |
| Solanaceae | Nicotiana sylvestris | Euphorbiaceae | Hevea brasiliensis | 8.31 | Similar |
| Solanaceae | Nicotiana sylvestris | Poaceae | Hordeum vulgare | 4.61 | Dis similar |
| Solanaceae | Nicotiana sylvestris | Euphorbiaceae | Jatropha curcas | 9.24 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Asteraceae | Lactuca sativa | 7.26 | Similar |
| Solanaceae | Nicotiana sylvestris | Fabaceae | Lupinus angustifolius | 9.26 | Highly Similar |
| Solanaceae | Nicotiana sylvestris | Euphorbiaceae | Manihot esculenta | 8.68 | Similar |