A catalog of the marine benthic algae (#Chlorophyta, Phaeophyta$ and #Rhodophyta$) reported from New Caledonia is presented in two sections : 1. Classification; 2. Check list with references and localities. There are 35 genera, 130 species of green algae; 23 genera, 59 species of brown algae; and 79 genera, 147 species of red algae which represent a rich algal flora for the subtropics. (Résumé d'auteur)
