Abstract
The rare desmid species Sphaerozosma luetzelburgianum Krieger and Phymatodocis simplex Förster, endemic to Brazil, are transferred to the genus Spondylosium. Distribution data as well as taxonomic notes on the two species are provided.
The rare desmid species Sphaerozosma luetzelburgianum Krieger and Phymatodocis simplex Förster, endemic to Brazil, are transferred to the genus Spondylosium. Distribution data as well as taxonomic notes on the two species are provided.