Dennstaedtiaceae

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Dennstaedtiaceae A family of ferns in which the sori are marginal, and either are continuous or form discrete units within tubular indusia. They are intermediate in sorus type between the wholly gradate sorus of Dicksoniaceae and the wholly mixed type of Davalliaceae. There are 24 genera and 410 species, with a world wide distribution, although they are mainly tropical.

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