In pteridophytes, a spore germinates to produce

In pteridophytes the spore germinate to form

In pteridophytes, spores germinate to give rise to

In pteridophytes, the megaspore germinates to form

In pteridophytes, the megaspore germinates to form

In pteridophytes the spores germinate to form :-

In pteridophytes, the spores germinate and grow into a heart shaped thalloid structure called_________which is a__________