Pallavicinia lyellii
Pallavicinia lyellii, the ribbonwort or veilwort, is a dioicous bryophyte plant in the liverwort family Pallaviciniaceae. Often seen in moist situations on rocks and soil, with a worldwide distribution. References 

Pallaviciniales
Plants described in 1821
Flora of Australia
Flora of New Zealand
Flora of Germany
Flora of the United States
Flora of Great Britain