Porella biedermannii sp. nov. (Marchantiophyta, Porellaceae) and other new records of liverworts and hornworts from Central Chile

Porella biedermannii from the Región del Maule in central Chile is described and illustrated. The species is characterized by ovate leaf lobes with curved inwards apices and dentate or appendiculate ventral base, obliquely inserted, oblong-ovate leaf lobules with distinctly reflexed apices and dentate margins, underleaves with distinctly reflexed apices and dentate margins, and stem surfaces covered with numerous filiform paraphyllia. The paper also reports 22 species of liverworts and two hornworts as new from the Región del Maule, and three liverwort species as new from Región Coquimbo of central Chile.