palhinhaea cernua. lycopodiella cernua. commonly known as the staghorn clubmossplant.

epiphytic fern slender palhinhaea south american flora moist environments tree-dwelling plant delicate fronds shaded habitats epiphyte adaptation tropical vegetation fern diversity brazil native plants argentina species subtropical ecosystems understory growth green foliage lifestyle trunk colonization forest undergrowth plant adaptations botanical features biodiversity hotspots rainforest niche aerial vascular leaf morphology habitat specificity neotropical ferns epiphyte-host relationships air ecological role natural microclimates biodiversity classification floor ecology flora america biology distribution reproduction conservation physiology epiphytes taxonomy