Wetland Plants and Plant Communities of Minnesota and Wisconsin

STAR DUCKWEED

(Lemna trisulca L.)

DUCKWEED FAMILY (Lemnaceae)

IND. STATUS: OBL

FIELD CHARACTERISTICS: Star duckweed floats just beneath the surface and has fronds shaped like canoe paddles. The fronds often lack roots and are 4-10 mm. long, tapering to a 4-16 mm. stipe that remains attached to the parent plant.

ECOLOGICAL NOTES: Star duckweed is found in quiet waters of lakes and marshes. These plants commonly form tangled colonies beneath the surface. Another name for this plant is forked duckweed.

SOURCE: Fassett (1957); Gleason and Cronquist (1991),; and Martin et al. (1951).

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