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Northern Prairie Wildlife Research Center

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Aquatic and Wetland Vascular Plants of the Northern Great Plains

60. Lemnaceae, the Duckweed Family

1. Lemna L. -- Duckweed

8. Lemna turionifera Landolt

Very similar to L. minor and often difficult to distinguish from it, differing mainly as follows: Fronds often somewhat asymmetric and falcate, broadest toward the apex, often red-tinged beneath and sometimes red-mottled above; upper surface with several papillae of about equal size above the midline, these sometimes obscure. Turions produced under unfavorable conditions, appearing as small, obovate to orbicular, thick-textured fronds that lack roots, dark green (often strongly reddened) to brown, eventually breaking free of the parent frond and sinking to the bottom. Very common; (c and w N.Amer., c and e Asia).
GIF- Species Photo/Drawing
Lemna turionifera.
GIF- Distribution Map

Map key

Previous Section -- Lemna trisulca L. -- Star duckweed
Return to Family -- Lemnaceae - The Duckweed Family
Next Section -- Spirodela polyrrhiza (L.) Schleid.

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