1. Levantamento planialtimétrico da PPN - Reserva Rio das Pedras, km 445,5 da BR 101 (Rio-Santos);Escala 1:10.000,1999
2. The Brazilian species of Selaginella;Alston A. H. G.;Repertorium Specierum Novarum Regni Vegetabilis,1936
3. The Brazilian species of Elaphoglossum;Alston A. H. G.;Boletim da Sociedade Broteriana,1958
4. The genus Selaginella in tropical South America;Alston A. H. G.;Bulletin of the British Museum (Natural History), Botany,1981
5. A note some morphological terms of the leaf in the Gleicheniaceae;Andersen E.;American Fern Journal,1996