The genus
Fabronia in South America is found to represent five taxa:
F. ciliaris var.
ciliaris, F. ciliaris var.
wrightii,
F. ciliaris var.
polycarpa,
F. macroblepharis and
F. jamesonii. Synonymy, brief discussion, illustrations and a key are provided.
Fabronia enervis Herz., hom. illeg., is the basis for the new genus
Mahua.