pleusto-, pleust-

(Greek: to sail, to float; flow)

acropleustophytic (adjective), more acropleustophytic, most acropleustophytic
Concerning aquatic plants that drift freely on top of water: Along the beach of the ocean, Jane saw a lot of acropleustophytic organisms laking locomotion floating among the rocky areas.
benthopleustophyte (s) (noun), benthopleustophytes (pl)
Any living plant that thrives and drifts freely on the surface of a body of water: Amy watched the benthopleustophytes floating on top the large lake close to where she was camping with her friends.
benthopleustophytic
epipleuston
epipleustonic
phytopleuston
pleustohelophyte
pleuston
pleustonic
pleustont
pleustophyte