Author for correspondence Andrewsianthus Schuster (1961: 66) is a heterogeneous complex. Most taxa have bilobed leaves, but there are also taxa with trilobed leaves [Andrewsianthus ferrugineus Grolle (1966: 275) and sometimes also Andrewsianthus sundaicus (Schiffner 1898: 202) Schuster 1969: 710)] and unlobed leaves [Andrewsianthus cavifolius Váňa (1974: 640), Andrewsianthus mizutanii Kitagawa (1969: 307) and Andrewsianthus zantenii Váňa (1974: 645)]. Studies by the senior author of many specimens of Andrewsianthus ferrugineus from Himalaya collected by D.G. Long show that it falls well within the description of Tritomaria. Terminal branching of Frullaniatype, and the presence of stem cortex with thick-walled cells in Andrewsianthus ferrugineus are characteristics it shares with Tritomaria. They are unknown in Andrewsianthus. The only known difference is the additional presence of Anomoclada-type of branching. Thus, we here transfer it to Tritomaria. In addition, Schuster (2002) placed this species in his monotypic Andrewsianthus subg. Pseudotritomaria ( = subg. Tritomariopsis nom. inval.), which should be reduced to synonymy with Tritomaria. Andrewsianthus marionensis is based on Lophozia marionensis, but the first description (as Cephaloziella marionensis) of this species is one year older (see Grolle 2002). This species is very variable and has bee
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