Flora of Ecuador : 6. Ophioglossaceae, 7. Marattiaceae, 8A. Osmundaceae, 8B. Plagiogyriaceae, 9. Schizaeaceae, 10. Gleicheniaceae - Harling, Gunnar; Andersson, Lennart; Ollgaard, Benjamin; Tuomisto, Hanna; Moran, Robbin C.; Andersen, Else Ostergaard (Goteborg University of Goteborg. Departament of Systematic Botany; Gunnar Harling; Lennart Andersson, 2001)
Keywords: Ecuador; Flora; Ophioglossum; Marattiaceae; Osmundaceae; Plagiogyriaceae; Schizaeaceae; Gleicheniaceae