Notities over Nederlandse zeewieren I

Four species considered to be newly found drifting ashore are described and illustrated: Sargassum natans (L.) Børg., Champia parvula (C. Ag.) Harv., Crouania attenuata (C. Ag.) J. Ag. and Callophyllis laciniata (Huds.) Kütz. In addition some notes are made on new records of Pogotrichum filiforme Reinke, Leathesia difformis (L.) Aresch. and Punctaria latifolia Grev.