While flowering plants (Phanerogamae) show many similarities in structure and reproduction, the non-flowering plants (Cryptogamae) constitute an extraordinarily diverse group. Members of this group are bacteria, blue algae, algae, fungi, lichen, moss and ferns. Bacteria and blue algae make up the Schizophyta and exhibit the greatest and deepest differences compared to all other plants: they lack cell organelles enclosed by plasma membranes, such as cellular nuclei, mitochondria or plastids. Furthermore, their cellular wall stands out for its particular structure. Bacteria and blue algae are referred to also as prokaryotes, as against eukaryotes (living beings with real cellular nuclei), to which all other plants and also animals and humans belong. Bacteria. Blue algae (Cyanophyceae). Fire algae (Fire Algae). Euglenophyta flagellates. Green algae (Chlorophyta). Conjugatophyceae. Charophyceae. Yellow-green algae (Xanthophyta). Golden algae. Diatomea. Brown algae (Phaeophyta). Red algae (Rhodophyta). Fungi. Slime mold (Myxomycete). mildew. Ascomycetes. Basidiomycetes. Fungi imperfecti. Lichens. Moss. Liverwort. Musci. Ferns, steles, stem, root, reproduction, sporiangia. Spermatophyta, reproduction.
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