Grimmia fuscolutea

Maier, Eva, Price, Michelle J. & Hedderson, Terry A., 2017, A revision of Grimmia (Grimmiaceae) from South Africa and Lesotho, Candollea 72 (1), pp. 199-230 : 199-230

12a. Costa in dorsal view weak at insertion and leaf base but enlarged throughout lafinal part ( Fig. 6B); above the broadest part of leaf the 2 fedian guide cells becofe narrowly elliptical and obliquely oriented to leaf axis (see Fig. 6G& H); hydroids sofetifes present in leaf base (see Fig. 6H); leaf bases neither auriculate nor decurrent ........................................................ 4. G. fuscolutea