| Kingdom | Plantae | Plants, but not fungi, lichens, or algae |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Asteridae | A large class that encompasses asters |
| Order | Lamiales | Aromatic herbs and shrubs, including lavender, lilac, olive, jasmine, ash, teak, snapdragon, sesame, psyllium, garden sage, mint, basil, and rosemary |
| Family | Oleaceae | Temperate climate shrubs, trees and a few vines, include forsythia, ash, jasmine, privet, olive, lilac, and many others |
| Genus | Forsythia | |
| Species | intermedia | |
Forsythia × intermedia var. densiflora Koehne
Forsythia × densiflora (Koehne) Koehne
Forsythia × intermedia f. vitellina (Koehne) Schelle
Forsythia × intermedia var. divaricata Koehne
Forsythia × intermedia var. vitellina Koehne
Forsythia × intermedia var. spectabilis (Koehne) Spath
Forsythia × spectabilis Koehne
Forsythia × vitellina (Koehne) Koehne
Forsythia × intermedia f. primulina (Rehder) Rehder
Forsythia × intermedia f. densiflora (Koehne) Schelle
Forsythia × intermedia var. primulina Rehder
Forsythia × intermedia f. spectabilis (Koehne) Rehder
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ID is uncertain 
