Littorella uniflora (L.) Asch.
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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
Plantaginaceae
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Scientific Name
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Description
Species Description - Delicate, fibrous-rooted perennial; lvs linear, to 5 cm; staminate pedicels to 4 cm; sep 2.5–4 mm, lanceolate; achenes cylindric, 2 mm, half as wide; 2n=24. Sandy shores or shallow water; Nf. and Que. to Ont. and n. N.Y.; also in Wis., Minn., and Europe. Summer. Only emersed plants flower. American plants are slightly smaller than the European, and may be distinguished as var. americana (Fernald) Gleason.