Which of the following plants are heter ospor ous.?
A. Selaginella, Lycopodium
B. Pteris, Adiantum
C. Psilotum, Equisetum
D. Selaginella, Salvinia
Answer:B
Which of the following plants are heter ospor ous.?
A. Selaginella, Lycopodium B. Pteris, Adiantum C. Psilotum, Equisetum D. Selaginella, Salvinia