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CCDB → Angiosperms → Oleaceae → Forsythia → Forsythia × intermedia Zabel
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Forsythia × intermedia | Forsythia × intermedia Zabel | 28 | flora of NW Europe | http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=3562 |