Wolffiella gladiata (Hegelm.) Hegelm.
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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
Araceae
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Scientific Name
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Description
Species Description - Thallus falcate or often doubly so, tapering at least distally to a long, slender tip, 4–14 × 0.4–0.7 mm; colonies of numerous thalli commonly coherent at base, submersed or floating with only the base above water, often several together in a tangled mass; 2n=40. Stagnant water; Mass. to n. Ill., s. to Fla. and Tex., more common southward. (W. floridana)