A list of 269 species of benthic marine algae found in Iceland is given. Twenty-two Cyanophyceae, 77 Phaeophyceae, one Chrysophyceae, 95 Rhodophyceae, seven Xanthophyceae, one Charophyceae, 66 Ulvophyceae are included. Of these, 26 are new records for Iceland. Relevant systematic and taxonomic problems are discussed in notes.
Checklist, Cyanophyceae, Iceland, marine benthic algae, Phaeophyceae, Ulvophyceae, Rhodophyceae, Xanthophyceae