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Ophioglossum
Ophioglossum (adder's tongue, snake's tongue; family Ophioglossaceae) A genus of ferns with the sterile blade(s) usually simple (rarely lobed) with reticulate veins, and the sporangia sunken along the opposite sides of a simple spike, opening by transverse slits. There are about 40 species, found in most parts of the world.
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Cite this article
MICHAEL ALLABY. "Ophioglossum." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "Ophioglossum." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O7-Ophioglossum.html MICHAEL ALLABY. "Ophioglossum." A Dictionary of Plant Sciences. 1998. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-Ophioglossum.html |
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adder's-tongue
adder's-tongue name for a fern genus ( Ophioglossum ). Adder's-tongues are classified in the division Pteridophyta. |
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Cite this article
"adder's-tongue." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>. "adder's-tongue." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1E1-addersto.html "adder's-tongue." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-addersto.html |
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