http://thesaurus.bhlscielo.org/vocab/pthttp://thesaurus.bhlscielo.org/vocab/pt?tema=983Pteridophyta http://thesaurus.bhlscielo.org/vocab/pt?tema=983 Cryptogamae BT http://thesaurus.bhlscielo.org/vocab/pt?tema=983 Selaginellales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=983 Pterophyta NT http://thesaurus.bhlscielo.org/vocab/pt?tema=983 Pleuromeiales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=983 Lycopodiacea NT http://thesaurus.bhlscielo.org/vocab/pt?tema=983 Lepidodendrales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=983 Isoetales NT http://thesaurus.bhlscielo.org/vocab/pt?tema=983 Huperziaceae NT http://thesaurus.bhlscielo.org/vocab/pt?tema=983 Pteridófitas UF