| The authors describe 12 seaweeds that have not been collected previously from the French coasts of the Channel: The Chlorophyceae <i>Rosenvingiella polyrhiza, Ulothrix palusalsa, U. speciosa, Ulva pseudocurvata, U. scandinavica, Urospora bangioides</i>, the Phaeophyceae <i>Isthmoplea spaerophora, Pogotrichum filiforme</i> and <i> Stictyophon</i> cf.<i>soriferus</i> and the Rhodophyceae <i>Aglothamnion roseum, Ceramium shuttleworthianum</i> and <i>Rhodomela confervoides</i>. Ecological data are added to the morphological and anatomical description. |
