Circumscription of the grammitid fern genus Oreogrammitis (Polypodiaceae) with the description of three new genera: Calligrammitis, Devolia, and Glabrigrammitis

Following a recent phylogenetic study, we here review the circumscription of the grammitid fern genus Oreogrammitis (Polypodiaceae: Grammitidoideae). We propose three new genera Calligrammitis, Devolia, and Glabrigrammitis, to accommodate the three clades resolved outside of the core Oreogrammitis. The taxonomic treatment is presented, and the morphology of each new genus is shown with a color plate.

Automated summary

Following a recent phylogenetic study, this review focuses on the circumscription of the grammitid fern genus Oreogrammitis (Polypodiaceae: Grammitidoideae). Three new genera, Calligrammitis, Devolia, and Glabrigrammitis, are proposed to accommodate the three clades resolved outside of the core Oreogrammitis. This study presents the taxonomic treatment and illustrates the morphology of each new genus with a color plate.