Botrychium dissectum Spreng.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Ophioglossaceae
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Scientific Name
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Description
Species Description - Plants 10–30+ cm; bud pilose, its blade and sporophore reflexed; blade inframedial or nearly basal on an evident 3–7 cm stalk, somewhat coriaceous, persistent, often reddish when first expanding and tending to turn bronzy in autumn, mostly 3–4 times pinnate but highly variable, sometimes finely divided throughout, more often unequally dissected with the terminal segment of the principal divisions tending to be more elongate and less divided than the other segments; primary and secondary segments often crowded; ultimate segments mostly acute or acuminate, but with rounded or subtruncate base; fertile spike 2–10 cm, long-stalked; 2n=90. In a wide range of habitats; N.S. and N.B. to Wis. and se. Minn., s. to Fla. and La. Aug.–Nov. (B. d. var. obliquum, the more common phase with less strongly dissected lvs)
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Common Names
lace-frond grape-fern