General Plant Information (Edit)
Water Preferences: In Water
Conservation status: Least Concern (LC)

Conservation status:
Conservation status: Least Concern
Image
Common names
  • Spotless Watermeal
  • Rootless Duckweed
  • Watermeal
  • Least Duckweed

Photo Gallery
Location: Work microscope Date: 2016-4-20 Growing indoors at room temp. Wire is 0.003 inch diameter. A new bud is growing.
Location: Work microscope Date: 2016-4-20 Growing indoors at room temp. Plants collected from a local pond in Northern NJ, USA and grown
Location: Work microscope Date: 2016-4-20 Growing indoors at room temp. Side view to show the thickness and the ridge around the dorsal s
Location: Hortus Botanicus Leiden Date: 2022-03-26 Smallest vascular plant in the world. Just between summer form (f
Location: Work Nikon Microscope Date: 2009-6-22 Magnification unknown. I collected this plant from a pond in my t
Location: Botanical Garden of Berlin
W.arrhiza (smaller leaves) with a few Spirodela polyrhiza (larger
Comments:
  • Posted by robertduval14 (Milford, New Hampshire - Zone 5b) on Mar 22, 2017 12:35 PM concerning plant:
    One of the worlds smallest plants at less than one millimeter in total length. Can cover the entire surface of a small pond.
    Reply to this comment

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