Riccardia verticillata Gradst. & Reeb, a new dendroid species of Riccardia (Aneuraceae) from the Cordillera del Cóndor, Ecuador. - Gradstein, S. Robbert; Reeb, Catherine; Persson, Claes; Zapata, Nicolás; Pérez, Álvaro J. (Journal of Bryology, 2019)