p. 83 - 89 NOUVELLES CONTRIBUTIONS A LA CONNAISSANCE DES ENTEROMORPHES DU LITTORAL ROUMAIN DE LA MER NOIRE Maria Celan et Florin Vasiliu Institut Roumain de Recherches Marines Constantza Abstract The algal flora from Romanian Black Sea waters is nowadays characterized by a highest developing of Enteromorpha species. Our trials to identify them about the described morphological appearance were always uselles because the finded forms have intermediare characteristcs belonging to many different species or groups like Intestinalis and Flexuose ones.