(n.) Any plant growing on decayed animal or vegetable matter, as most fungi and some flowering plants with no green color, as the Indian pipe.

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 sargasso sargassum sea lentil sea moss sea wrack seaweed smut succulent toadstool vetch vine wort wrack