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An eastern North American evergreen fern (Asplenium rhizophyllum) having undivided fronds that often take root at the tip.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Plants) a North American fern, Camptosorus rhizophyllus, having sword-shaped fronds, the tips of which take root when in contact with the ground: family Aspleniaceae
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||walking fern - ferns having lanceolate fronds that root at the tip|
spleenwort - any of various chiefly rock-inhabiting ferns of the genus Asplenium
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