Trismegistia lancifolia var. convoluta (Bosch & Sande Lac.) W.Schultze-Motel variety synonym

Hypnum rigidum var. convolutum Bosch & Sande Lac. variety synonym

Hypnum rigidum Reinw. & Hornsch. species heterotypic synonym

Trismegistia gracilicaulis Dixon & Herzog species synonym

Trismegistia squarrosa Dixon species synonym

Acanthocladium rigidum (Mitt.) Broth. species synonym

Sematophyllum rigidum (Mitt.) Mitt. species synonym

Trismegistia calderensis var. convoluta (Bosch & Sande Lac.) K.T.Yong, B.C.Tan & B.C.Ho variety accepted

Trismegistia calderensis var. subintegrifolia (Broth.) H.Akiyama variety accepted

Trismegistia rigida f. coarctata M.Fleisch. form synonym

Sematophyllum rigidum var. convolutum (Bosch & Sande Lac.) A.Jaeger variety synonym

Trismegistia rigida f. corticola M.Fleisch. form synonym

Trismegistia calderensis var. rigida (Mitt.) H.Akiyama variety synonym

Acanthodium trismegistum (Mont.) Mitt. species synonym

Trismegistia calderensis var. calderensis variety accepted

Hypnum trismegistum Mont. species synonym

Trismegistia rigida f. viridis M.Fleisch. form synonym

Trismegistia subintegrifolia Broth. species synonym

Acanthodium rigidum Mitt. species synonym

Trismegistia rigida (Mitt.) Broth. species synonym