Basionym Name:Polychidium kalkuense Räsänen, Ann. bot. Soc. Zool.-Bot. fenn. Vanamo 18(no. 1): 59 (1943)
Homotypic synonyms:Polychidium muscicola f. kalkuense (Räsänen) Henssen, Symb. bot. upsal. 18(no. 1): 105 (1963)