Forsythia suspensa f. variegata (Butz) Rehder form synonym

Forsythia ×intermedia f. densiflora (Koehne) Schelle form synonym

Forsythia ×intermedia var. spectabilis (Koehne) Spath variety synonym

Forsythia ×densiflora (Koehne) Koehne species synonym

Forsythia ×intermedia var. divaricata Koehne variety synonym

Forsythia japonica var. subintegra H.Hara variety synonym

Forsythia koreana f. autumnalis (Uyeki) Nakai form synonym

Forsythia suspensa f. aureovariegata Koehne form synonym

Forsythia sieboldii (Zabel) Dippel species synonym

Rangium nakaii Uyeki species synonym

Forsythia ×spectabilis Koehne species synonym

Forsythia japonica f. saxatilis (Nakai) Markgr. form synonym

Forsythia viridissima var. bronxensis Everett variety synonym

Rangium koreanum var. fertile Uyeki variety synonym

Forsythia japonica var. densiflora (Markgr.) Rehder variety synonym

Forsythia ×vitellina (Koehne) Koehne species synonym

Forsythia ×intermedia var. vitellina Koehne variety synonym

Forsythia suspensa f. pallida Koehne form synonym

Forsythia koreana var. autumnalis Uyeki variety synonym

Forsythia ×intermedia f. primulina (Rehder) Rehder form synonym

Forsythia japonica f. densiflora Markgr. form synonym

Forsythia xintermedia Zabel species synonym

Forsythia suspensa f. atrocaulis Rehder form synonym

Forsythia suspensa f. pubescens Rehder form synonym

Forsythia ×intermedia f. spectabilis (Koehne) Rehder form synonym

Forsythia nakaii (Uyeki) T.B.Lee species accepted

Forsythia suspensa x viridissima species synonym

Forsythia suspensa × viridissima species synonym

Forsythia suspensa var. suspensa variety synonym

Ligustrum suspensum Thunb. species synonym

Lilac perpensa Lam. species synonym

Rangium viridissimum (Lindl.) Ohwi species synonym

Rangium suspensum (Thunb.) Ohwi species synonym

Rangium ovatum (Nakai) Ohwi species synonym

Rangium ×mandschuricum (Uyeki) Uyeki & Kitag. species synonym

Rangium koreanum (Rehder) Ohwi species synonym

Rangium japonicum (Makino) Ohwi species synonym

Forsythia saxatilis (Nakai) Nakai species synonym

Forsythia koreana (Rehder) Nakai species accepted

Forsythia giraldiana Lingelsh. species accepted

Forsythia likiangensis Ching & K.M.Feng species accepted

Forsythia ×intermedia var. primulina Rehder variety synonym

Forsythia suspensa f. decipiens Koehne form synonym

Forsythia japonica f. ovata (Nakai) Markgr. form synonym

Syringa suspensa (Thunberg) Thunberg ex Murray species synonym

Rangium saxatile (Nakai) Uyeki species synonym

Forsythia ×intermedia f. vitellina (Koehne) Schelle form synonym

Rangium japonicum var. densiflorum (Markgr.) Rehder variety synonym

Forsythia japonica var. saxatilis Nakai variety synonym

Forsythia viridissima var. koreana Rehder variety synonym

Forsythia fortunei Lindl. species synonym

Forsythia suspensa var. latifolia Rehder variety synonym

Forsythia suspensa var. sieboldii Zabel variety synonym

Forsythia suspensa var. fortunei (Lindl.) Rehder variety synonym

Forsythia viridissima Lindl. species accepted

Forsythia ×intermedia Zabel species accepted

Forsythia ovata Nakai species accepted

Forsythia suspensa (Thunb.) Vahl species accepted

Forsythia viridissima var. incisa Geerinck variety synonym

Forsythia velutina Nakai species synonym

Forsythia togashii H.Hara species accepted

Forsythia sieboldii hort. ex Lavallée, 1877 species accepted

Forsythia saxatilis var. pilosa S.Lee variety synonym

Forsythia saxatilis var. lanceolata S.Lee variety synonym

Forsythia pilosa U.C.La & Chae G.Chen species synonym

Forsythia mira M.C.Chang species accepted

Forsythia ×mandschurica Uyeki species accepted

Forsythia likiangensis Ching & Feng ex P.Y.Pai, 1983 species doubtful

Forsythia koreana var. pilosa (U.C.La & Chae G.Chen) U.C.La variety synonym

Forsythia japonica Makino species accepted

Forsythia giraldiana f. pubescens (Rehder) C.S.Niu form synonym

Forsythia europaea Degen & Bald. species accepted

Forsythia densiflora Nakai species synonym

Syringa suspensa Thunb. species synonym

Forsythia suspensa var. pubescens (Rehder) Lingelsh. variety synonym

Forsythia sieboldii hort. species homotypic synonym

Forsythia suspensa subsp. variegata Butz subspecies synonym

Forsythia koreana f. pilosa Nakai form synonym

Forsythia suspensa var. variegata (Butz) Rehder variety synonym

Rangium koreanum var. autumnalis (Uyeki) Uyeki variety synonym

Forsythia ×intermedia var. densiflora Koehne variety synonym

Forsythia hybr species accepted