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The genus Grammitis was established by Olof Swartz around 1801.[5] (sources vary on the exact date). The name is derived from Greek, gramma, grammatos meaning "a line or thread" and refers to the arrangement of the sori in some species.[6] The type species for Grammitis is Grammitis marginella.[7]
In a treatment of Grammitidaceae in 1990, Barbara S. Parris defined Grammitis broadly, to include about 400 species.[9] At that time, she stated that "The treatment of Grammitis here as a large and diverse genus reflects our current lack of knowledge concerning relationships within the family". Other authors at that time circumscribedGrammitis more narrowly, to include about 200 species.[8]
Since about 2003, Grammitis has been understood as a genus of about 25 species with the other species to be eventually transferred to other genera, most of them new or resurrected.[4]Grammitissensu strictissimo (about 25 species) is distinguished by its black, sclerified leaf margins.[7] It is sister to the monophyletic genus Cochlidium.[7]
^PPG I (2016). "A community-derived classification for extant lycophytes and ferns". Journal of Systematics and Evolution. 54 (6): 563–603. doi:10.1111/jse.12229. S2CID39980610.
^Harald Schneider, Hans-Peter Krier, Rosemary Wilson, and Alan R. Smith. 2006. "The Synammia Enigma: Evidence for a Temperate Lineage of Polygrammoid Ferns (Polypodiaceae, Polypodiidae) in Southern South America". Systematic Botany31(1):31-41.
^ abBarbara S. Parris. 2003. "The distribution of Grammitidaceae (Filicales) inside and outside Malesia". Telopea10(2):451-466.
^Olof Swartz. about 1801. "Genera et Species Filicum" In: Schrader's Journal für die Botanik. page 17. (see External links below).
^Umberto Quattrocchi. 2000. CRC World Dictionary of Plant Names volume II. CRC Press: Boca Raton; New York; Washington,DC;, USA. London, UK. ISBN978-0-8493-2676-9 (vol II). (see External links below).
^ abcdeTom A. Ranker. 2008. "A New Combination in Adenophorus (Polypodiaceae)". American Fern Journal98(3):170-177.
^ abDavid J. Mabberley. 2008. Mabberley's Plant-Book third edition (2008). Cambridge University Press: UK. ISBN978-0-521-82071-4
^Barbara S. Parris. 1990. "Grammitidaceae" pages 153-157. In: Klaus Kubitzki (general editor); Karl U. Kramer and Peter S. Green (volume editors) The Families and Genera of Vascular Plants volume I. Springer-Verlag: Berlin;Heidelberg, Germany. ISBN978-0-387-51794-0
^Tom A. Ranker, Alan R. Smith, Barbara S. Parris, Jennifer M.O. Geiger, Christopher H. Haufler, Shannon C.K. Straub, and Harald Schneider. 2004. "Phylogeny and evolution of grammitid ferns (Grammitidaceae): a case of rampant morphological homoplasy". Taxon53(2):415-428.
^Tom A. Ranker, Jennifer M.O. Geiger, S.C. Kennedy, Alan R. Smith, Christopher H. Haufler, and Barbara S. Parris. 2003. "Molecular phylogenetics and evolution of the endemic Hawaiian genus Adenophorus (Grammitidaceae)" Molecular Phylogenetics and Evolution26(3):337-347.
^ abBarbara S. Parris. 2007. "Five new genera and three new species of Grammitidaceae (Filicales) and the re-establishment of Oreogrammitis". Gardens' Bulletin. Singapore58(2):233-274.
^Barbara S. Parris. 2004. "New combinations in Acrosorus, Lellingeria, Prosaptia, and Themelium (Grammitidaceae: Filicales)" Kew Bulletin59(2):223-225.
^Edwin B. Copeland. 1956. Key to Subgenus Melanoloma page 253. In: "Grammitis" pages 93-278. In: Philippine Journal of Science 80(2).
^L. Earl Bishop. 1977. "The American Species of Grammitis Sect. Grammitis". American Fern Journal67(4):101-106.
