Cryptogamie, Bryologie
31 (1) - Pages 107-110Porella pinnata L. was considered an extinct species in the Portuguese Red List of Bryophytes. However, recent field work and revision of some old material of the Herbarium PO confirmed the presence of this species in different regions of Northern Portugal. The newly found populations represent the first report in more than 80 years, after the ancient gatherings made by A. Luisier and A. Machado in the beginning of the twentieth century.