Tritomaria exsectiformis subsp. camerunensis S.W.Arnell ex Váňa,

Phytotaxa 167 (2): 216, 2014 (see Váňa et al. 2014a). BASED ON: Tritomaria camerunensis S.W.Arnell, Svensk Bot. Tidskr. 52 (1): 64, 1958, nom. inval. ICN Art. 40.2; based on more than one gathering (see Arnell 1958b).