Spirodela polyrhiza gallery
Common Duckmeal Gallery
Fronds floating
Towanda (Bradford Co)
by Dave Spier on 06/30/2001
Floating Fronds
Underside of the frond is purple, upper surface typically with a dark nodal spot; fronds with 5 - 12 roots (compare Lemna species with 1 root per frond).
Nescopeck State Park (Luzerne Co)
by George Chamuris on 07/28/2025
Fronds, with Roots and Adherent Debris
Fronds floating on surface of still water. Underside of the frond is purple, upper surface typically with a dark nodal spot; fronds with 5 - 12 roots (compare Lemna species with 1 root per frond).