Parkerioideae
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Parkerioideae, synonym Ceratopteridoideae, is one of the five subfamilies in the fern family Pteridaceae. It includes only the two genera Acrostichum and Ceratopteris. The following diagram shows a li
Acrostichum aureum
Cryptogrammoideae
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Cryptogrammoideae is a subfamily of ferns in the family Pteridaceae. The subfamily contains three genera and about 23 species.
Parkerioideae
…The following diagram shows a likely phylogenic relationship between the two Parkerioideae genera and the other Pteridaceae subfamilies. Pteridaceae Cryptogrammoideae Ceratopteridoideae Acrostichum Ceratopteris Pteridoideae Cheilanthoideae Vittarioideae References…
Cryptogramma crispa