Which is CORRECT for the fern Dryopteris?

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Dryopteris a type of fern belongs to the class of Pteropsida. It is commonly called as wood-fern. It is distributed widely in all parts of the world with more diversity in the Asiatic region. In this plant group, the rootstocks form crown with vase-like ring of fronds (equivalent of a leaf). The sori in it are round and stipes have prominent scales. It shows heteromorphic alternation of generation where the sporophyte is dominant and independent. The gametophyte is haploid and independent as well and it reproduces