Which of these are heterosporous plants?
Pteris
Adiantum
Salvinia
Selaginella
Genera like Selaginella and Salvinia which produce two kinds of spores, macro (large) and micro (small) spores, are known as heterosporous.
Highly evolved vascular plants which produce flowers and are heterosporous are grouped under _________.
Highly evolved vascular plants with flowers and heterosporous gametes are grouped together in _____