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CCDB → Angiosperms → Oleaceae → Forsythia → Forsythia europaea Degen & Bald.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Forsythia europaea Degen & Bald. | Forsythia europaea Degen & Bald. | 28 | Fedorov, 1974 | O'Mara 1930 | ||
| ! | Forsythia europaea Degen & Bald. | Forsythia europaea Degen & Bald. | 28 | Fedorov, 1974 | Sax K., Abbe 1932 | ||
| ! | Forsythia europaea Degen & Bald. | Forsythia europaea Degen & Bald. | 28 | Fedorov, 1974 | Taylor H. 1945 | ||
| ! | Forsythia europaea Degen & Bald. | Forsythia europaea Degen & Bald. | 28 | Darlington, 1955 | Sax &A. 1932 |