| Family1 | Species1 | Family2 | Species2 | SCUS score | Similarity |
| Poaceae | Hordeum vulgare | Solanaceae | Capsicum annuum | 4.50 | Dis similar |
| Poaceae | Hordeum vulgare | Chenopodiaceae | Chenopodium quinoa | 4.61 | Dis similar |
| Poaceae | Hordeum vulgare | Fabaceae | Cicer arietinum | 4.07 | Dis similar |
| Poaceae | Hordeum vulgare | Rutaceae | Citrus clementina | 5.17 | Moderately similar |
| Poaceae | Hordeum vulgare | Rutaceae | Citrus sinensis | 5.15 | Moderately similar |
| Poaceae | Hordeum vulgare | Cucurbitaceae | Cucumis melo | 4.89 | Dis similar |
| Poaceae | Hordeum vulgare | Cucurbitaceae | Cucumis sativus | 4.86 | Dis similar |
| Poaceae | Hordeum vulgare | Cucurbitaceae | Cucurbita maxima | 5.45 | Moderately similar |
| Poaceae | Hordeum vulgare | Cucurbitaceae | Cucurbita moschata | 5.41 | Moderately similar |
| Poaceae | Hordeum vulgare | Cucurbitaceae | Cucurbita pepo subsp. pepo | 5.38 | Moderately similar |
| Poaceae | Hordeum vulgare | Asteraceae | Cynara cardunculus var. scolymus | 4.53 | Dis similar |
| Poaceae | Hordeum vulgare | Apiaceae | Daucus carota subsp. sativus | 5.04 | Moderately similar |
| Poaceae | Hordeum vulgare | Malvaceae | Durio zibethinus | 4.72 | Dis similar |
| Poaceae | Hordeum vulgare | Brassicaceae | Eutrema salsugineum | 3.67 | Dis similar |
| Poaceae | Hordeum vulgare | Fabaceae | Glycine max | 5.15 | Moderately similar |
| Poaceae | Hordeum vulgare | Fabaceae | Glycine soja | 5.16 | Moderately similar |
| Poaceae | Hordeum vulgare | Malvaceae | Gossypium arboreum | 5.00 | Moderately similar |
| Poaceae | Hordeum vulgare | Malvaceae | Gossypium hirsutum | 5.00 | Moderately similar |
| Poaceae | Hordeum vulgare | Malvaceae | Gossypium raimondii | 5.00 | Moderately similar |
| Poaceae | Hordeum vulgare | Asteraceae | Helianthus annuus | 3.70 | Dis similar |