seaweeds; algae; waterweeds
florid expression; poetical talent
diatomaceous earth; diatomite; siliceous marl; kieselguhr
green algae; chlorophyceae
blue-green algae; cyanobacteria
cyanophyte; cyanobacteria; blue-green algae
watermelon snow; snow algae
brown algae; phaeophyceae
Japanese Society of Phycology
Japanese Society of Diatomology
Zygnematophyceae (class of green algae)
Chlorophyta; division of green algae
Glaucophyceae (class of glaucophytes)