(n.) A name given to many umbrella-shaped fungi, mostly of the genus Agaricus. The species are almost numberless. They grow on decaying organic matter.

algae autophyte bean bracken brown algae climber conferva confervoid creeper diatom fern fruits and vegetables fucus fungus grapevine green algae gulfweed herb heterophyte ivy kelp legume lentil liana lichen liverwort mold moss mushroom parasite parasitic plant pea perthophyte phytoplankton planktonic algae plant families puffball pulse red algae rockweed rust saprophyte sargasso sargassum sea lentil sea moss sea wrack seaweed smut succulent vetch vine wort wrack