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CCDB → Angiosperms → Oleaceae → Forsythia
| Taxon name | Status | Median (n) |
| Forsythia europaea Degen & Bald. | Accepted | 14 |
| Forsythia giraldiana Lingelsh. | Accepted | 14 |
| Forsythia koreana (Rehder) Nakai | Accepted | 14 |
| Forsythia ovata Nakai | Accepted | 14 |
| Forsythia saxatilis (Nakai) Nakai | Accepted | 14 |
| Forsythia suspensa (Thunb.) Vahl | Accepted | 14 |
| Forsythia viridissima Lindl. | Accepted | 14 |
| Forsythia densiflora Nakai | Synonym of Forsythia velutina Nakai | 14 |
| Forsythia × intermedia | Synonym of Forsythia × intermedia Zabel | 14 |
| Forsythia × mandschurica | Synonym of Forsythia × mandschurica Uyeki | 21 |