is homosporous, so all plants have only one type of sporangiophore and strobilus
Equisetum
The gametophytes of Psilotum are still somewhat complex, those of Equisetum, ferns, and seed plants are all simple
he gametophytes of Psilotum are still somewhat complex, those of Equisetum, ferns, and seed plants are all simple
Division Arthrophyta - Sphenophyta After spores are released, they germinate on moist soil and develop into small
green gametophyte
are never released, but rather are retained and nourished by the gametophyte
Sphenophyta megagamete and zygote