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Key to families | Table of families and genera

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PTERIDACEAE BRAKE FAMILY

Ruth E.B. Kirkpatrick, Alan R. Smith & Thomas Lemieux, except as noted

Perennial herb, in soil or on or among rocks; rhizome creeping to erect, scaly. Leaf: generally all ± alike (or of 2 kinds, fertile, sterile), generally < 50 cm, often < 25 cm; stipe generally thin, wiry, often dark, ×-section with vascular strands generally 1–3, less often many in circle; blade generally pinnate or ± palmate-pinnate (see Adiantum), often >= 2-compound, abaxially often with glands, ± powdery exudate, hairs, or scales; segments round, oblong, fan-shaped, or other, veins generally free. Sporangia: in sori or not, marginal, submarginal, or along veins, covered by recurved, often modified segment margins (false indusia) or not; true indusia 0; spores spheric, sides flat or not, scar with 3 radiating branches.
± 40 genera, 500 species: worldwide, especially dry areas. [Windham 1993 FNANM 2:122–186] Definition of Cheilanthes, related genera problematic; traditional limits often untenable. —Scientific Editors: Alan R. Smith, Thomas J. Rosatti.

Key to Pteridaceae

CRYPTOGRAMMA PARSLEY FERN, ROCK-BRAKE

Ruth E.B. Kirkpatrick, Alan R. Smith, Thomas Lemieux & Edward Alverson

Plant in rocky places; rhizome creeping-decumbent, scales brown. Leaf: tufted, deciduous or evergreen, of 2 kinds, fertile more erect, with longer stipes, longer, narrower segments than sterile; stipes dark, scaly at base, tan to ± green, glabrous above base; blades 2–4-pinnate, triangular, lanceolate, or elliptic; veins free. Sporangia: along veins, submarginal, appearing to cover surface at maturity; false indusia linear, from segment base to tip.
11 species: temperate North America, South America, Europe, Asia. (Greek: hidden line, from protected sori)
Unabridged references: [Alverson 1989 Amer Fern J 79:95–102]

Key to Cryptogramma

Previous taxon: Cheilanthes wootonii
Next taxon: Cryptogramma acrostichoides

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Sep 21 2014
Citation for this treatment: [Author of taxon treatment] 2013. Cryptogramma, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10414, accessed on Sep 21 2014

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