Polypodioideae
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Polypodioideae is a subfamily belonging to the fern family Polypodiaceae, which is a member of the suborder Polypodiineae in the Pteridophyte Phylogeny Group classification of 2016. Alternatively, the
Polypodium vulgare
Grammitidoideae
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Grammitidoideae is a subfamily of the fern family Polypodiaceae, whose members are informally known as grammitids. It comprises a clade of about 750 species. They are distributed over higher elevation
Polypodioideae
…circumscription of the subfamily, the PPG I classification, largely returns to that of Christenhusz et al., but excludes the grammitids as subfamily Grammitidoideae, rendering the Polypodioideae potentially paraphyletic. The following phylogram shows a likely relationship between Polypodioideae and the other…
Starr 041211 1350 Grammitis hookeri