Brightman, Frank H. The Oxford book of flowerless plants ; ferns, fungi, mosses and liverworts, lichens and seaweeds - London : Oxford University Press, 1966 - 208 p. : ilus. LCCN: 24150 Subjects--Topical Terms: Algas.Helechos.Hongos.LĂquenes.Musgos. Dewey Class. No.: 586 / B7