port of call: any port where a ship stops except its home port
seaport: a sheltered port where ships can take on or discharge cargo
chlorophyta: large division of chiefly freshwater eukaryotic algae that possess chlorophyll a and b, store food as starch, and cellulose cell walls; classes Chlorophyceae, Ulvophyceae, and Charophyceae; obviously ancestral to land plants