藻 - seaweed, duckweed

algae; waterweed; seaweed; duckweed

seaweed

seaweeds; algae; waterweeds

to struggle; to writhe; to wriggle; to squirm

zooxanthella

green algae

Chaetomorpha algae; Chaeto

brown algae

floating watermoss (Salvinia natans)

waterweed (any aquatic plant of genus Elodea, esp. common waterweed, Elodea canadensis)

phytoflagellates

seaweed; sea vegetable