Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Anoectangium Schwägr.)
Ardeuma insigne (Dixon) R. H. Zander & Hedd. 2016
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Hymenostylium recurvirostrum var. insigne (Dixon) E.B.Bartram)
Ardeuma scaturiginosum (Besch.) R. H. Zander & Hedd. 2016
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Hymenostylium scaturiginosum Brotherus, 1902)
Desmatodon spathulatus (Harv.) Mitt.
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Desmatodon Brid.)
Eucladium aeruginosum (Sm.) C. E. O. Jensen
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Eucladium Bruch & Schimp.)
Eucladium calcareum (Nees & Hornsch.) C. E. O. Jensen
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Eucladium Bruch & Schimp.)
Gymnostomum calcareum var. lanceolatum (M. J. Cano, Ros & J. Guerra) Sérgio 2006
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Gymnostomum calcareum Nees & Hornschuch, 1823)