| Family1 | Species1 | Family2 | Species2 | SCUS score | Similarity |
| Poaceae | Setaria italica | Cucurbitaceae | Cucumis sativus | 4.67 | Dis similar |
| Poaceae | Setaria italica | Cucurbitaceae | Cucurbita maxima | 5.32 | Moderately similar |
| Poaceae | Setaria italica | Cucurbitaceae | Cucurbita moschata | 5.30 | Moderately similar |
| Poaceae | Setaria italica | Cucurbitaceae | Cucurbita pepo subsp. pepo | 5.27 | Moderately similar |
| Poaceae | Setaria italica | Asteraceae | Cynara cardunculus var. scolymus | 4.48 | Dis similar |
| Poaceae | Setaria italica | Apiaceae | Daucus carota subsp. sativus | 4.77 | Dis similar |
| Poaceae | Setaria italica | Malvaceae | Durio zibethinus | 4.39 | Dis similar |
| Poaceae | Setaria italica | Brassicaceae | Eutrema salsugineum | 3.74 | Dis similar |
| Poaceae | Setaria italica | Fabaceae | Glycine max | 4.79 | Dis similar |
| Poaceae | Setaria italica | Fabaceae | Glycine soja | 4.81 | Dis similar |
| Poaceae | Setaria italica | Malvaceae | Gossypium arboreum | 4.76 | Dis similar |
| Poaceae | Setaria italica | Malvaceae | Gossypium hirsutum | 4.77 | Dis similar |
| Poaceae | Setaria italica | Malvaceae | Gossypium raimondii | 4.77 | Dis similar |
| Poaceae | Setaria italica | Asteraceae | Helianthus annuus | 3.71 | Dis similar |
| Poaceae | Setaria italica | Malvaceae | Herrania umbratica | 4.69 | Dis similar |
| Poaceae | Setaria italica | Euphorbiaceae | Hevea brasiliensis | 4.10 | Dis similar |
| Poaceae | Setaria italica | Poaceae | Hordeum vulgare | 9.58 | Highly Similar |
| Poaceae | Setaria italica | Euphorbiaceae | Jatropha curcas | 4.05 | Dis similar |
| Poaceae | Setaria italica | Asteraceae | Lactuca sativa | 4.02 | Dis similar |
| Poaceae | Setaria italica | Fabaceae | Lupinus angustifolius | 4.06 | Dis similar |