Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Porella acutifolia var. ligulifera (Taylor) S.Hatt.)
Porella acutifolia var. ligulifera (Taylor) S. Hatt.
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Porella acutifolia (Lehm. & Lindenb.) Trevis.)