Isotype of Glossorhyncha subalpina P.Royen BM000509072; Leonard John Brass, #9212
Holotype of Glossorhyncha subalpina P.Royen L0061281 ; Brass, LJ, #9212
Glossorhyncha subalpina van Royen, drawing van Royen. The Alpine Flora of New Guinea volume 2 (1979)