http://thesaurus.bhlscielo.org/vocab/pthttp://thesaurus.bhlscielo.org/vocab/pt?tema=989Pterophyta http://thesaurus.bhlscielo.org/vocab/pt?tema=989 Pteridophyta BT http://thesaurus.bhlscielo.org/vocab/pt?tema=989 Hymenophylalles NT http://thesaurus.bhlscielo.org/vocab/pt?tema=989 Gleicheniales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=989 Equisetales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=989 Cyatheales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=989 Schizeales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=989 Salviniales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=989 Psilotales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=989 Polypodiales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=989 Osmundales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=989 Ophioglossales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=989 Marattiales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=989 Polypodiopsida UF