Lycopodium and Selaginella, Psilotum, Equisetum

word list for Pteridophytes

sporophyte: dichotomously branched stem	sporophyte: dichotomously branched stem with synangia present	sporophyte: synangium with subtending enation (leaf-like scale)
syangium (cluster of 3 meiosporangia) with subtending enation	cross section of synangium (cluster of 3 meiosporangia); meiospores	longitudinal section of synangium with subtending enation.
gametophyte with antheridia and archegonia	sporophyte: cross section through stem	sporophyte: cross section through stem with phloem, xylem, and parenchyma cells

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