, September 2023 — Ferns and clubmosses in the eastern canyons of Isalo National Park Diversity and distribution of ferns (Filicophytes) and clubmosses (Lycophytes) in the eastern canyons of Isalo National Park, Madagascar, Diversité et distribution des gougères et lycophyt. Background and aims-In contrast to the flowering plants, the pteridophyte flora of Madagascar is still understudied. While… , ,