Polypodiopsida - Polypodiaceae
Parent taxon: Polypodiaceae according to PPG. I 2016
Sister taxa: Acrostichaceae, Adiantites, Allantodiopsis, Anomalofilicites, Arthromeris, Aspidium, Asplenieae, Aspleniopteris, Asplenites, Astralopteris, Comptoniopteris, Cuddaloria, Davallites, Dennstaedtiopsis, Dipteridinae, Drynaria, Drynarioideae, Dryopterites, Gemmatosporis, Goniopteris, Gymnogramma, Laevigatosporites, Lastrea, Lepisorus, Leptochilites, Loxogrammoideae, Meniphylloides, Meyeripollis, Microsoroideae, Microtaenia, Onychiopsis, Palaeosorum, Phanerophlebites, Phymatodes, Phymatopteris, Platycerioideae, Platyceriphyllum, Pleopeltis, Podoloma, Polypodiaceaesporites, Polypodieae, Polypodioideae, Praedeparia, Pterideae, Trichotomosulcites, Verrucatosporites
Subtaxa: none
Distribution: there are no occurrences of Grammitidoideae in the database