Dong, S.; Schäfer-Verwimp, A.; Pócs, T.; Feldberg, K.; Czumaj, A.; Schmidt, A. R.; Schneider, H.; Heinrichs, J. Size doesn´t matter—recircumscription of Microlejeunea (Lejeuneaceae, Porellales) Based on Molecular and Morphological Evidence. Phytotaxa 2013, 85, 41–55.