| Family1 | Species1 | Family2 | Species2 | SCUS score | Similarity |
| Brassicaceae | Capsella rubella | Solanaceae | Nicotiana sylvestris | 5.31 | Moderately similar |
| Brassicaceae | Capsella rubella | Solanaceae | Nicotiana tabacum | 5.28 | Moderately similar |
| Brassicaceae | Capsella rubella | Solanaceae | Nicotiana tomentosiformis | 5.32 | Moderately similar |
| Brassicaceae | Capsella rubella | Poaceae | Oryza brachyantha | 4.15 | Dis similar |
| Brassicaceae | Capsella rubella | Poaceae | Oryza sativa Japonica Group | 4.38 | Dis similar |
| Brassicaceae | Capsella rubella | Poaceae | Panicum hallii | 3.60 | Dis similar |
| Brassicaceae | Capsella rubella | Poaceae | Panicum virgatum | 3.62 | Dis similar |
| Brassicaceae | Capsella rubella | Fabaceae | Phaseolus vulgaris | 4.41 | Dis similar |
| Brassicaceae | Capsella rubella | Fabaceae | Prosopis alba | 5.14 | Moderately similar |
| Brassicaceae | Capsella rubella | Brassicaceae | Raphanus sativus | 9.12 | Highly Similar |
| Brassicaceae | Capsella rubella | Euphorbiaceae | Ricinus communis | 4.30 | Dis similar |
| Brassicaceae | Capsella rubella | Poaceae | Saccharum officinarum | 8.17 | Similar |
| Brassicaceae | Capsella rubella | Pedaliaceae | Sesamum indicum | 5.30 | Moderately similar |
| Brassicaceae | Capsella rubella | Poaceae | Setaria italica | 3.76 | Dis similar |
| Brassicaceae | Capsella rubella | Poaceae | Setaria viridis | 3.75 | Dis similar |
| Brassicaceae | Capsella rubella | Solanaceae | Solanum lycopersicum | 5.77 | Moderately similar |
| Brassicaceae | Capsella rubella | Solanaceae | Solanum melongena | 5.94 | Moderately similar |
| Brassicaceae | Capsella rubella | Solanaceae | Solanum pennellii | 5.78 | Moderately similar |
| Brassicaceae | Capsella rubella | Solanaceae | Solanum tuberosum | 5.50 | Moderately similar |
| Brassicaceae | Capsella rubella | Poaceae | Sorghum bicolor | 3.99 | Dis similar |