The three species of Aohanolejeunea found in Misiones, Argentina: Aphanolejeunea misionensis Reiner sp. nov., A. paucifolia Reiner comb. Nov. and A. clavatopapillata Teiner comb. Nov., are described and illustrated. A. tuberculata Schust. and Cololejeunea cristallina Herz. are proposed as new synonyms of A
