Ueber die Süsswasseralgen-Gattungen Trochiscia Ktz. (Acanthococcus Lagrh., Gloehiococcus De-Toni) und Tetraëdron Ktz. (Astericium Corda, Polyedrium Näg., Cerasterias Reinsch)
Published in Hedwigia, in 1888, in volume 27, pages 126-132
Date published:1888
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