| Bignoniaceae |
|
Catalpa bignonioides
| Walter | Fl. Carol. 64 | 1788 |
| Bignoniaceae |
|
Catalpa bignonioides fo. aurea
| Bureau | Nouv. Arch. Mus. Hist. Nat. III, 6: 183 | 1894 |
| Bignoniaceae |
|
Catalpa bignonioides var. kaempferi
| DC. | Prodr. 9: 226 | 1845 |
| Bignoniaceae |
|
Catalpa bignonioides fo. koehnei
| (Hesse) Dode | Bull. Soc. Dendrol. France 1907: 206 | 1907 |
| Bignoniaceae |
|
Catalpa bignonioides fo. nana
| Bureau | Nouv. Arch. Mus. Hist. Nat. III, 6: 183 | 1894 |
| Bignoniaceae |
|
Catalpa bignonioides fo. pulverulenta
| Bean | Trees & Shrubs Brit. Isles 1: 312 | 1914 |
| Bignoniaceae |
|
Catalpa bignonioides fo. rehderi
| Paclt | Candollea 13: 259 | 1952 |
| Bignoniaceae |
|
Catalpa bignonioides var. speciosa
| Warder ex Barney | Gard. Monthly & Hort. 20: 312 | 1878 |
| Bignoniaceae |
|
Catalpa bignonioides fo. variegata
| Bureau | Nouv. Arch. Mus. Hist. Nat. III, 6: 183 | 1894 |
| Bignoniaceae |
|
Catalpa bignonioides var. x ovata
| Don | | |