The correct option is A Selaginella is commonly distributed on hills and plains.
Selaginella is a small, evergreen delicate plant. It grows in moist and shady places. The plants are usually small, much branched, creeping on the walls or the ground. Selaginella is also known as little club moss or spike moss. A few species are xerophytic (e.g., S. epidophylla, S. pilifera, S. bryopteris).