Comments and References:

PPG I (2016), doi:10.1111/jse.12229 The Pteridophyte Phylogeny Group. Schuettpelz E et al. A community-derived classification for extant lycophytes and ferns. Journal of Systematics and Evolution 54(6): 563-603.

Metzgar JS et al. 2013, doi:10.1016/j.ympev.2013.02.020 Metzgar JS, Alverson ER, Chen S, Vaganov AV, Ickert-Bond SM. 2013. Diversification and reticulation in the circumboreal fern genus Cryptogramma. Molecular Phylogenetics and Evolution 67: 589-599. DOI: https://doi.org/10.1016/j.ympev.2013.02.020

Schuettpelz E et al. 2007a, doi:10.1016/j.ympev.2007.04.011 Schuettpelz E, Schneider H, Huiet L, Windham MD, Pryer KM. 2007. A molecular phylogeny of the fern family Pteridaceae: Assessing overall relationships and the affinities of previously unsampled genera. Molecular Phylogenetics and Evolution 44: 1172-1185. DOI: http://dx.doi.org/10.1016/j.ympev.2007.04.011

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Disclaimer: The NCBI taxonomy database is not an authoritative source for nomenclature or classification - please consult the relevant scientific literature for the most reliable information.

Reference: How to cite this resource - Schoch CL, et al. NCBI Taxonomy: a comprehensive update on curation, resources and tools. Database (Oxford). 2020: baaa062. PubMed: 32761142 PMC: PMC7408187.