Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Scytinium tenuissimum (Dicks.) Otálora, P.M.Jørg. & Wedin)
Collema ulvacea Pers.
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Collema Weber ex F.H.Wigg.)
Collema verruculosum (A. Massal.) Arnold
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Collema Weber ex F.H.Wigg.)
Enchylium cretaceum (Sm.) Gray
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Leptogium biatorinum (Nyl.) Leight.)
Homodium cretaceum (Sm.) Nyl.
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Leptogium biatorinum (Nyl.) Leight.)
Lepraria cochleatum (Dicks.) Anon.
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Lepraria Ach.)
Leptogium burnetii var. hirsutum (Sierk) P. M. Jørg.
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Leptogium burnetii C.W.Dodge)
Leptogium byssinum (Hoffm.) Zwackh
Homotypic synonym according to GBIF classification (Originally found in sources as misapplied of Scytinium subtile (Schrad.) Otálora, P.M.Jørg. & Wedin)
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Scytinium subtile (Schrad.) Otálora, P.M.Jørg. & Wedin)
Lichen cretaceus Sm.
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Leptogium biatorinum (Nyl.) Leight.)
Lichen gelatinosus With.
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Scytinium gelatinosum (With.) Otálora, P.M.Jørg. & Wedin)
Lichen schraderi Bernh.
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Scytinium schraderi (Bernh.) Otálora, P.M.Jørg. & Wedin)
Lichen vesiculosus Sw.
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Lichen Linnaeus, 1753)
Parmelia coralloidea (Mey. & Flot.) Vain.
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Parmelia Ach.)
Parmelia cretacea (Sm.) Ach.
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Leptogium biatorinum (Nyl.) Leight.)
Physma rigens (Nyl.) Müll. Arg.
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Physma A.Massal.)
Polychidium adpressum (Nyl.) Stizenb.
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Polychidium (Ach.) Gray)
Polychidium microphylloides (Nyl.) Trevis.
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Polychidium (Ach.) Gray)
Polychidium polyschides (Mont.) Trevis.
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Polychidium (Ach.) Gray)
Scytinium biatorinum (Nyl.) Otálora, P. M. Jørg. & Wedin
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Scytinium (Ach.) Gray)
Scytinium gelatinosum (With.) Otálora, P. M. Jørg. & Wedin
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Scytinium (Ach.) Gray)
Scytinium imbricatum (P. M. Jørg.) Otálora, P. M. Jørg. & Wedin
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Scytinium (Ach.) Gray)
Scytinium magnussonii (Degel. & P. M. Jørg.) Otálora, P. M. Jørg. & Wedin
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Scytinium (Ach.) Gray)
Scytinium schraderi (Bernh.) Otálora, P. M. Jørg. & Wedin
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Scytinium (Ach.) Gray)
Scytinium tetrasporum (Th. Fr.) Otálora, P. M. Jørg. & Wedin
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Scytinium (Ach.) Gray)
Scytinium turgidum (Ach.) Otálora, P. M. Jørg. & Wedin
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Scytinium (Ach.) Gray)
Stephanophoron cyanizum Nyl.
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Stephanophoron)
Stephanophorus digitatus A. Massal.
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Stephanophorus)
? pichneum Ach.
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Collemataceae)
? verruculosum A.Massal.
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Collemataceae)