Luisia tristis (G.Forst.) Hook.f., plant habit, photo E.F. de Vogel, Leiden cult. 20031986
Luisia tristis (G.Forst.) Hook.f., flower, oblique front view, photo E.F. de Vogel, Leiden cult. 20031986
Luisia tristis (G.Forst.) Hook.f., aerial root, photo E.F. de Vogel, Leiden cult. 20031986
Luisia tristis (G.Forst.) Hook.f., inflorescence, photo E.F. de Vogel, Leiden cult. 20031986
Luisia sp., flower, photo P. O'Byrne, based on O'Byrne L110 from PNG
Luisia beccarii Rchb.f., floral analysis, drawing J.J. Smith, based on Gjellerup 595
Luisia beccarii Rchb.f., floral analysis, drawing J.J. Smith, based on Gjellerup 595
Luisia teretifolia Gaudich., drawing N.H.S. Howcroft 21, from PNG, Markham Valley
Luisia aff. tristis (G.Forst.) Hook.f., drawing P. O'Byrne in Lowland Orchids of New Guinea (1994) 507, as Luisia aff. teretifolia Gaudich.