| Family1 | Species1 | Family2 | Species2 | SCUS score | Similarity |
| Solanaceae | Solanum tuberosum | Chenopodiaceae | Chenopodium quinoa | 9.69 | Highly Similar |
| Solanaceae | Solanum tuberosum | Fabaceae | Cicer arietinum | 9.53 | Highly Similar |
| Solanaceae | Solanum tuberosum | Rutaceae | Citrus clementina | 8.96 | Similar |
| Solanaceae | Solanum tuberosum | Rutaceae | Citrus sinensis | 8.98 | Similar |
| Solanaceae | Solanum tuberosum | Cucurbitaceae | Cucumis melo | 8.48 | Similar |
| Solanaceae | Solanum tuberosum | Cucurbitaceae | Cucumis sativus | 8.60 | Similar |
| Solanaceae | Solanum tuberosum | Cucurbitaceae | Cucurbita maxima | 7.67 | Similar |
| Solanaceae | Solanum tuberosum | Cucurbitaceae | Cucurbita moschata | 7.50 | Similar |
| Solanaceae | Solanum tuberosum | Cucurbitaceae | Cucurbita pepo subsp. pepo | 7.47 | Similar |
| Solanaceae | Solanum tuberosum | Asteraceae | Cynara cardunculus var. scolymus | 6.79 | Moderately similar |
| Solanaceae | Solanum tuberosum | Apiaceae | Daucus carota subsp. sativus | 9.29 | Highly Similar |
| Solanaceae | Solanum tuberosum | Malvaceae | Durio zibethinus | 8.70 | Similar |
| Solanaceae | Solanum tuberosum | Brassicaceae | Eutrema salsugineum | 4.80 | Dis similar |
| Solanaceae | Solanum tuberosum | Fabaceae | Glycine max | 8.15 | Similar |
| Solanaceae | Solanum tuberosum | Fabaceae | Glycine soja | 8.17 | Similar |
| Solanaceae | Solanum tuberosum | Malvaceae | Gossypium arboreum | 9.11 | Highly Similar |
| Solanaceae | Solanum tuberosum | Malvaceae | Gossypium hirsutum | 9.11 | Highly Similar |
| Solanaceae | Solanum tuberosum | Malvaceae | Gossypium raimondii | 9.05 | Highly Similar |
| Solanaceae | Solanum tuberosum | Asteraceae | Helianthus annuus | 5.63 | Moderately similar |
| Solanaceae | Solanum tuberosum | Malvaceae | Herrania umbratica | 8.58 | Similar |