Plant collected 8/19/14, photographed later but not vouchered. Note dorsal row of papules along the midline. Associates: Wolffia columbiana and Wolffia brasiliensis. Identifications verified by Wayne Armstrong.
Plant collected 8/19/14, photographed later but not vouchered. Note reddish anthocyanin patches on ventral surface. Associates: Wolffia columbiana and Wolffia brasiliensis. Identifications verified by Wayne Armstrong.
Plant collected 8/19/14, photographed later but not vouchered. Single specimen is back lit in center of image. Associates: Wolffia columbiana and Wolffia brasiliensis. Identifications verified by Wayne Armstrong.
Plant collected 8/19/14, photographed later but not vouchered. Note dorsal papules of this species. Associates: Wolffia columbiana and Lemna turionifera. Identification verified by Wayne Armstrong. Object in center possibly a Lemna fruit.