Brittonia 54: 296. 2003; Flora of the Guianas Series A: Phanerogams, Fascicle 23: 156 Acanthaceae, 159 Mendonciaceae. 2006. Fig. 7
Wasshausen, Dieter C.
Figure A-F. Crossandra infundibuliformis (Acanthaceae). Collection: Rauch & Crivellone s.n., U.S.A., Hawaii; A. habit, B. bract, C. bracteoles, D. bract, bracteoles and calyx lobes, E. corolla, F. corolla expanded. - 1998.