Pteridophytes plants are either homosporous ( Lycopodium, Pteris, Dryopteris, Equisetum) or heterosporous (Selaginella, Marsilea, Isoetes, Salvinia).
Pteridophytes plants are either homosporous ( Lycopodium, Pteris, Dryopteris, Equisetum) or heterosporous (Selaginella, Marsilea, Isoetes, Salvinia).