444638141528 Betula utilis D. Don
W. Curtis, Bot. Mag., ser. 2, vol. 6(): : t. 125 (1989) [J. Coombs]

444639140819 Betula chinensis Maxim.
W. Curtis, Bot. Mag., ser. 2, vol. 6(): : t. 126 (1989) [J. Coombs]

4497422 887577 Roscoea purpurea Sm.
Kew Bull., vol. 36(): : p. 753, fig. 1A-G (1981-1882) [J. Coombs]

4529592 887526 Roscoea auriculata Schumann
Kew Bull., vol. 36(): : p. 753, fig. 1H-P (1981-1882) [J. Coombs]

4497432 887587 Roscoea scillifolia (Gagnep.) Cowley [80 887538 Roscoea capitata var. scillifolia Gagnep.]
Kew Bull., vol. 36(): : p. 761, fig. 2H-P (1981-1882) [J. Coombs]