Pilea fontana (Lunell) Rydb.
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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
Urticaceae
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Scientific Name
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Description
Species Description - Much like no. 1 [Pilea pumila (L.) A. Gray], the herbage less pellucid; achenes dark purple or dark olivaceous to nearly black, pale-margined, irregularly elevated on the sides, broadly ovate, 1.3–2 mm, 70–85% as wide; seed tuberculate. Wet, boggy or springy soil; P.E.I. to Minn. and N.D., s. to Va., Ind., and Nebr.; Fla. July–Sept. (P. opaca)