Wolffia borealis - Wikipedia
Wolffia borealis is a species of flowering plant known by the common name northern watermeal. It is native to North America including sections of Canada and the United States. It grows in mats on the surface of calm water bodies, such as ponds.
Wolffia - Wikipedia
Wolffia are free-floating aquatic plants with fronds that are nearly spherical to cylindrical in shape and lack airspaces or veins. [1] [3] They do not have roots. [1] Their rarely seen flowers originate from a cavity on the upper surface of the frond, and each flower has one stamen and one pistil. [1] …
Wolffia borealis - USDA Plants Database
The PLANTS Database includes the following 37 data sources of Wolffia borealis (Engelm. ex Hegelm.) Landolt ex Landolt & Wildi - Showing 1 to 25 «
Wolffia borealis - Species Page - NYFA: New York Flora Atlas
Wolffia borealis (Engelm.) Landolt & Wildi ex Gandhi, Wiersema & Brouillet. Common Name: northern watermeal. Habitat: Quiet water of ponds, lakes, and marshes. Often growing in mixed populations with other Wolffia species. Associated Ecological Communities: **.
Wolffia borealis - U.S. Fish & Wildlife Service
Wolffia borealis. Identification Numbers. TSN: 505749. Geography. Launch Interactive Map. Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people. Footer Menu - Employment. Careers & …
Dotted Watermeal (Wolffia borealis) - iNaturalist
Wolffia borealis is a species of flowering plant known by the common name northern watermeal. It is native to North America including sections of Canada and the United States. It grows in mats on the surface of calm water bodies, such as ponds. It is a very tiny plant with no leaves, stems, or roots. The green part is up to 1.2 millimeters long ...
Anatomy and Ultrastructure of Wolffia columbiana and Wolffia borealis ...
Wolffia borealis mesophyll cells vary in size from small cells toward the dorsum to large cells toward the ventrum. Chloroplasts are concentrated in the small dorsal mesophyll cells and lack significant thylakoid appression.
Wolffia borealis (Engelm.) Landolt - World Flora Online
Wolffia borealis (Engelm.) Landolt. Veröff. Geobot. Inst. ETH Stiftung Rübel Zürich 71: 453 (1986) This name is reported by Araceae as an accepted name in the genus Wolffia (family Araceae ).
Wolffia borealis in Global Plants on JSTOR
Information. Fronds boat-shaped, 0.7--1.5 mm, 1.3--2 times as long as wide, 0.7--1 times as deep as wide, with point at apex bent upward; papilla absent; upper surface intensely green, with 50--100 stomates; pigment cells present in vegetative tissue (visible in dead fronds as brown dots). 2n = 20, 22, 30, 40.
Wolffia borealis - FNA
Fronds boat-shaped, 0.7–1.5 mm, 1.3–2 times as long as wide, 0.7–1 times as deep as wide, with point at apex bent upward; papilla absent; upper surface intensely green, with 50–100 stomates; pigment cells present in vegetative tissue (visible in dead fronds as brown dots).2n = …
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