There were 3 illustrations found for H.N. Ridley
6 340853 Didymoplexiella ornata (Ridley) Garay [125 600494 Leucolena ornata Ridley]J. Linn. Soc., Bot., vol. 28 (x): t. 43 (1891) [H.N. Ridley]
6 468773 Glomera amboinensis (Ridley) J.J. Sm. [125 469116 Glossorhyncha amboinensis Ridley]J. Linn. Soc., Bot., vol. 28 (x): t. 44 (1891) [H.N. Ridley]
Thismia arachnites RidleyKew Bull., vol. 73 : p. 2, fig. 1 (2018) [H.N. Ridley]