| Family1 | Species1 | Family2 | Species2 | SCUS score | Similarity |
| Asteraceae | Helianthus annuus | Apiaceae | Daucus carota subsp. sativus | 5.80 | Moderately similar |
| Asteraceae | Helianthus annuus | Malvaceae | Durio zibethinus | 4.54 | Dis similar |
| Asteraceae | Helianthus annuus | Brassicaceae | Eutrema salsugineum | 9.06 | Highly Similar |
| Asteraceae | Helianthus annuus | Fabaceae | Glycine max | 4.23 | Dis similar |
| Asteraceae | Helianthus annuus | Fabaceae | Glycine soja | 4.26 | Dis similar |
| Asteraceae | Helianthus annuus | Malvaceae | Gossypium arboreum | 6.29 | Moderately similar |
| Asteraceae | Helianthus annuus | Malvaceae | Gossypium hirsutum | 6.29 | Moderately similar |
| Asteraceae | Helianthus annuus | Malvaceae | Gossypium raimondii | 6.37 | Moderately similar |
| Asteraceae | Helianthus annuus | Asteraceae | Helianthus annuus | 10.00 | Highly Similar |
| Asteraceae | Helianthus annuus | Malvaceae | Herrania umbratica | 4.59 | Dis similar |
| Asteraceae | Helianthus annuus | Euphorbiaceae | Hevea brasiliensis | 3.79 | Dis similar |
| Asteraceae | Helianthus annuus | Poaceae | Hordeum vulgare | 3.70 | Dis similar |
| Asteraceae | Helianthus annuus | Euphorbiaceae | Jatropha curcas | 4.67 | Dis similar |
| Asteraceae | Helianthus annuus | Asteraceae | Lactuca sativa | 8.12 | Similar |
| Asteraceae | Helianthus annuus | Fabaceae | Lupinus angustifolius | 4.70 | Dis similar |
| Asteraceae | Helianthus annuus | Euphorbiaceae | Manihot esculenta | 4.18 | Dis similar |
| Asteraceae | Helianthus annuus | Fabaceae | Medicago truncatula | 6.00 | Moderately similar |
| Asteraceae | Helianthus annuus | Cucurbitaceae | Momordica charantia | 6.55 | Moderately similar |
| Asteraceae | Helianthus annuus | Musaceae | Musa acuminata subsp. malaccensis | 5.24 | Moderately similar |
| Asteraceae | Helianthus annuus | Solanaceae | Nicotiana attenuata | 5.35 | Moderately similar |