Source: Raab-Straube, E. von 2022+: Oleaceae. - In: Euro+Med-PlantBase - the information resource for Euro+Mediterranean plant diversity.
Forsythia Vahl, Enum. Pl. 1: 39. 1804, nom. cons.



    Al Rf(C) [aAu(A L) cBH aBe(B) nBr cBt cBy cCm aCs Ct aGe nHb nHe aIt cMo No cRf(N NW S) cSr cUk] 

    Euro+Med: Albania native; Austria, with Liechtenstein (Austria casual, Liechtenstein casual); Baltic states, with Kaliningrad region cultivated; Belarus cultivated; Belgium, with Luxembourg (Belgium casual); Bosnia-Herzegovina cultivated; Crimea cultivated; Croatia introduced; Czech Republic casual; Former Yugoslavia native; Germany casual; Great Britain naturalised; Ireland, with N Ireland naturalised; Italy, with San Marino and Vatican City casual; Moldova cultivated; Norway introduced; Russia (C European Russia native, N European Russia cultivated, NW European Russia cultivated, S European Russia cultivated); Serbia, with Kosovo cultivated; Switzerland naturalised; Ukraine cultivated; Ukraine, with Crimea cultivated