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DENNSTAEDTIACEAE BRACKEN FAMILY

John C. Game, Alan R. Smith & Thomas Lemieux

Plant terrestrial; rhizome hairy [scaly], from bud near stipe base or not. Leaf: alike, glabrous or hairy (scaly); stipe strongly grooved adaxially; blade generally 1–5-pinnate; veins pinnate from midrib, generally forked beyond, free except sometimes at margin of fertile segments. Sporangia: at or near margin, generally ± covered by false indusia; true indusium 0 or inner, linear [conical or cup-, purse- or saucer-like], opening toward margin [or fused with it to form cup]; stalk cells in 1–3 rows; spores spheric or elliptic.
± 11 genera, ± 170 species: especially tropics. [Smith et al. 2006 Taxon 55:705–731] Variously defined, now to exclude some previously included genera, species (Smith et al. 2006); Pteridium sometimes in its own family. —Scientific Editors: Alan R. Smith, Thomas J. Rosatti.
Unabridged references: [Smith et al. 2006. A classification for extant ferns. Taxon 55:705–731]

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 19 2014
Citation for this treatment: [Author of taxon treatment] 2012. Dennstaedtiaceae, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=7, accessed on Apr 19 2014

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