Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Macvicaria ulophylla (Stephani) Hatt.)
Madotheca urogea C. Massal.
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Porella gracillima subsp. urogea (C.Massal.) S.Hatt. & M.X.Zhang)
Porella gracillima subsp. urogea (C. Massal.) S. Hatt. & M. X. Zhang
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Porella gracillima Mitt.)
Porella gracillima var. urogea (C. Massal.) S. Hatt.
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Porella gracillima subsp. urogea (C.Massal.) S.Hatt. & M.X.Zhang)