Dyera costulata
Dyera costulata in Bot. 19: 293. 1882
- ≡Alstonia costulata, Eerste Bijv.: 556. 1861
- Type: Sumatra, Priaman, Diepenhorst HB1114
- Isotype: Sumatra, Priaman, Diepenhorst HB1114 (K)
- Type: Sumatra, Priaman, Diepenhorst HB1114 (L)
- Lectotype: Sumatra, Priaman, Diepenhorst HB1114 (U)
- =Alstonia eximia, Eerste Bijv.: 555. 1861
- Type: Sumatra, Bangka, near Djebus, Teijsmann HB3358
- Isotype: Sumatra, Bangka, near Djebus, Teijsmann HB3358 (BO)
- Type: Sumatra, Bangka, near Djebus, Teijsmann HB3358 (L)
- Lectotype: Sumatra, Bangka, near Djebus, Teijsmann HB3358 (U)
- =Alstonia grandifolia, Eerste Bijv.: 555. 1861
- Type: Teijsmann HB4044
- Isotype: Teijsmann HB4044 (K)
- Type: Teijsmann HB4044 (L)
- Lectotype: Teijsmann HB4044 (U)