藻类植物

noun

a major group of thallophytes consisting of single-celled or multicellular organisms that reproduce by cell division, spores, or fusion of gametophytes; lacking differentiated roots, stems, or leaves; mostly aquatic with few terrestrial species in moist habitats; includes red algae, brown algae, green algae, and cyanobacteria

Scientific term used in biology and botany to describe primitive photosynthetic organisms distinct from true plants (Embryophyta).