Metzgeria latifrons Steph.

According to So (2003), the collection of M. latifrons from Sri Lanka cited by Stephani (1917) (collected at Poondeloya, 4-8000 ft, J. Nietner 155 as M. latifrons, 1868, det. Müller, EGR, G, M, n.v.) belongs to M. crassipilis .Also, M. latifrons is not accepted in the world checklist of hornworts and liverworts by Söderström et al. (2016).