Monilophyta

Sporangia scattered over the lower surface of the lamina, or 2-3(-4) fused into synangia in the axils of 2-lobed scale-like or leaf-like appendages, or rarely in terminal strobili, then the sporangia hanging from a peltate structure. Monilophyta
consider the other alternative
Plants growing in soil, mud or epiphytic
consider the other alternative
Plants not aquatic
consider the other alternative
Stems not articulate with several-veined leaves or, if the leaves are 1-veined, then not whorled
choose this alternativereject this alternative
Sporangia 2–3 (rarely 4), fused into synangia (Fig. 12), 2–6 mm in diam. or length, occurring in the axils of 2-lobed appendages. Sterile lateral appendages either minute and scale-like or leaf-like and 1–4 cm long. Stems simple or dichotomously branched. Rupestral or epiphytic plants Psilotaceae
choose this alternativereject this alternative
Sporangia free or many fused laterally or, if 2–4, then borne dorsally in a rosette on the pinnae (Gleicheniaceae)