Schuster, Rudolf Mathias, 1921- An annotated synopsis of the genera and subgenera of Lejeuneaceae. 1 : introduction, annotated keys to sub-families and genera / R.M. Schuster - 203 pages ; 24 cm. - Beihefte zur Nova hedwigia; no. 9 . - Beihefte zur Nova Hedwigia ; no. 9. . Subjects--Topical Terms: Liverworts.Lejeuneaceae--Classification. Dewey Class. No.: 588.33