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Wetland and Aquatic Plants of Oklahoma

Interactive Keys: Free Floating Plants


Duckweeds (Lemnaceae)

3. Plants without roots


Brazilian watermeal (Wolffia braziliensis Weddell)
Native perennial.
                                                                                                                            click thumbnails to enlarge
Wolffia braziliensis map                      Wolffia braziliensis

Notes: Fronds 0.5 - 1.5 mm long, concave on top, with a large wart and red spots.

 Watermeal (Wolffia columbiana Karst.)
Native perennial.

Wolffia columbiana map                                    Wolffia columbiana
Notes: Fronds 0.5 - 1.4 mm long, convex on the top, and lacking red spots.

Mudmidget (Wolffiella gladiata (Hegelm.) Hegelm.)
Native perennial.

Wolffiella gladiata map

Note: Fronds 4 - 12 mm long and straplike. This species is known from only one location.


Last update: 1/23/04
Comments to : Bruce Hoagland

bhoagland@ou.edu

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