adder's-tongue


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adder's-tongue,

name for a fern genus (Ophioglossum). Adder's-tongues are classified in the division Pteridophyta.
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OPHIOGLOSSUM {oh-fee-oh-GLOSS-um} Linnaeus 1753 * Adder's-tongue Ferns * (Greek ophis, snake, and glossa, tongue, referring to the sporulating portion of the fertile rachis.
Slender Adder's-tongue, and Ophioglossum petiolatum Hooker, Stalked Adder's-tongue, are likely to be found in habitats similar to those of O.
PTERIDOPHYTES OF NORTHEAST ALABAMA AND ADJACENT HIGHLANDS III: OPHIOGLOSSALES AND POLYPODIALES (Aspleniaceae to Dennstaedtiaceae)

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