A forgotten seaweed genus

The genus Pseudoderbesia is characterized by minute, dichotomously branched green siphons, and was originally described from the Caribbean coast of Colombia and the Canary Islands. However, the genus has remained unnoticed until today, possibly because the original publication was in Spanish, in a journal (Caldasia) not widely read by phycologists.Therefore, we want to bring the genus back to the attention. In a paper submitted to Cryptogamie Algologie, we report on a recent collection of Pseudoderbesia from Rhodes, Greece, representing the first report of the genus after its original description, and the first record from the Mediterranean Sea. Molecular phylogenetic analysis shows a sister relationship with the common and species-rich genus Bryopsis.

Cultured plants of Pseudoderbesia, characterized by upright, regularly dichotomously branched siphons, developing from stolonoid siphons.
Cultured plants of Pseudoderbesia, characterized by upright, regularly dichotomously branched siphons, developing from stolonoid siphons.
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