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greater duckweed
Spirodela polyrhiza
Spirodela polyrhiza
greater duckweed Arum/Calla-lily Family
Spirodela polyrhiza Araceae
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common names
  greater duckweed
  common duckmeat
  common duckweed
accepted scientific name
  •Spirodela polyrhiza (L.) Schleid.
rules for finding collection records
  Spirodela polyrhiza (2094)
  Spirodela polyrrhiza (2469)
family name
  • Araceae
Image Author: © John Hilty, Illinois Wildflowers
Image License: Author's permission
Image Source

Category: Wildflowers, Aquatic Plants
Flowers: No obvious petals
Petal colors: color
Plant Observed beginning of March thru end of October

Plant Showiness (27%)
base map where plant found
mag select

Aquatic
Riparian
Wetland
Native Plant Status
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native Native
native Not Present