Forsythia × intermedia
Forsythia × intermedia Zabel , Gartenflora 1885: 36 1885. (unresolved) (Syn: Forsythia × densiflora (Koehne) Koehne; Forsythia × intermedia var. densiflora Koehne; Forsythia...
Forsythia
Forsythia koreana (S. Korea)
Forsythia koreana (Rehder) Nakai, Bot. Mag. (Tokyo) 40: 471 1926. (Syn: Forsythia koreana var. autumnalis Uyeki; Forsythia koreana f. autumnalis...Forsythia species
Forsythia suspensa (Introduced)
Forsythia suspensa (Thunb.) Vahl, Enum. Pl. Obs. 1: 39 1804. (syn: Forsythia fortunei Lindl.; Forsythia giraldiana f. pubescens (Rehder) C.S.Niu;...