Asplenium uniseriale (Aspleniaceae): una nueva cita para la flora argentina y novedades respecto a su hábito

asplenium uniseriale raddi is recorded for the first time for argentina. it was collected in moconá provincial park (misiones), therefore extending its range southward. the novelty of its epiphytic habit on the tree fern alsophila setosa kaulf rhizome is recorded. a key to differentiate species of the same genus with a complexity similar blade is proposed.