Comparative account on prothallus of Lycopodium and selaginella
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Prothallus of Lycopodium has both male and female sex organs (antheridium and archegonium ) ie., it is monoecious. Lycopodium exhibits homospory. Selaginella exhibits heterospory. Males spores germinate to give rise to a prothallus with antheridium only and female spores germinate to give rise to prothallus with archegonium only.
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