Polygonum persicariavar. dubium (lady's thumb)
specimen collected along a roadside in Sackville, August 15, 1996
view photograph of white-flowered variant
note var. dubium lacks the dark blotch or lady's thumbprint
on the leaf
photographed along sandy margin of Lower Fairfield
Road, Sackville, NB, August 2, 2001
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(white flowers and only a slight impression on some of the lower leaves
of the thumb mark)
