Accepted name
Calliergon megalophyllum Mikut. Synonyms
Calliergon richardsonii var. robustum
(Lindb. & Arnell) G. Roth, 1904 ,
Calliergon richardsonii var. fluitans
(Bryhn) Broth. ,
Amblystegium richardsonii var. fluitans
(Bryhn) H. Möller
Common names
vesi-tömptipp Estonian,
kjempetjernmose Norwegian Bokmål,
kjempetjønnmose Norwegian Bokmål,
kjempetjørnmose Norwegian Nynorsk,
kjempetjønnmose Norwegian Nynorsk