Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Fontinalis antipyretica Hedwig, 1801)
Fontinalis antipyretica var. gigantea (Sull.) Sull.
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Fontinalis antipyretica Hedwig, 1801)
Fontinalis antipyretica var. heldreichii R. Ruthe
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Fontinalis antipyretica Hedwig, 1801)
Fontinalis antipyretica var. kindbergii (Ren. & Card.) Card.
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Fontinalis antipyretica var. oreganensis Renauld & Cardot)
Fontinalis antipyretica var. patula (Card.) Welch
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Fontinalis antipyretica Hedwig, 1801)
Fontinalis antipyretica var. pseudosquamosa Cardot
Fontinalis novae-angliae var. waghornei (Cardot) W. H. Welch
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Fontinalis novae-angliae var. cymbifolia (Austin) W.H.Welch)