Macromitrium japonicum Dozy & Molk.

(Figs 3-6)

Annales des Sciences naturelles, Botanique, série 3, 2 (5): 16 (Dozy & Molkenboer 1844). — Type protologue: Japonia without exact locality and collector. — Type citation: Japan, Siebold (L910, 138- 1128), lectotype!, designed by Noguchi (1967).

Macromitrium japonicum var. makinoi (Broth.) Nog., Illustrated Moss Flora of Japan 3: 606 (Noguchi 1989), syn. nov. — Dasymitrium makinoi Broth., Hedwigia 38: 215 (Brotherus 1899). — Type protologue: [Japan] Shikoku: Setton, ad corticem arboris (Makino). — Type citation: Japonia, Setton, leg. T. Makino, 1889 (holotype, H-BR2572002!).

Macromitrium dickasonii Bartr., Farlowia 1: 178 (Bartram 1943), syn. nov. — Type protologue: Mogok, Apr. 1934, no. 102. — Type citation: [Myanmar] Mogok, Apr. 1934, F. G. Dickason 102 (holotype, FH00213603!).

Macromitrium polygonostomum Dixon & P. de la Varde, Archives de Botanique, Bulletin mensuel 1 (8-9): 181 (Dixon & P. de la Varde 1927), syn. nov. — Type protologue: Hab.: Sirumalai, 4000 ft. alt., avril 1924, sterile (no 439), ibid., crête rocailleuse surplombant sentier d’Emmakkalapuram, mars 1927 (NOB 844A, 844B et 845). — Type citation: India, Sirumalai, mars 1927, leg. G. Foreau 844B (isosyntypes, US 00070273!, H-BR2572016!; syntypes, PC, not seen).

DISTRIBUTION. — China (Guo et al. 2007; Yu et al. 2013), India (Li et al. 2020), Japan (Noguchi 1967, 1989), Laos (Guo pers. comm. 2013), Myanmar, Thailand (Tixier 1971; Tan & Iwatsuki 1993), Sri Lanka (O’Shea 2002), Korea (Noguchi 1989) and Vietnam.

HABITAT. — On trunk of broad-leaf trees, occasionally on rocks; at 10-2000 m alt.