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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Perennial herb, on plants, rocks, in rock crevices, or in soil, humus, or on dunes; rhizome short- to long-creeping, branched, glaucous to not, scaly. Leaf: ± alike or of 2 kinds, fertile and sterile; stipe thin to thick, generally straw-colored or green to brown, base persistent on rhizome; blade generally simple to 1-pinnate, membranous to fleshy or leathery; veins free to generally fused, often netted. Sporangia: sori round to elongate (linear), generally 1 per areole, in 1–several rows on each side of segment midrib; indusium 0; spores elliptic, ± smooth to coarse-tubercled or -ridged, scar linear.
± 40 genera, ± 650 species: worldwide, especially tropics; many species cultivated. —Scientific Editor: Thomas J. Rosatti.
Previous taxon: Sceptridium multifidum
Next taxon: Polypodium
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Aug 1 2015
Citation for this treatment: [Author of taxon treatment] 2013. Polypodiaceae, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=21, accessed on Aug 1 2015
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