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Photos from AgassizTrail near Tolstoi on 2004-Jul23:
-- note: there was much confusion over Prairie loosestrife vs Whorled loosestrife; the species I and most people call
Prairie loosestrife (Lysimachia quadriflora), is listed by the MB-CDC as Whorled loosestrife (Steironema quadriflorum, an old synonym); John produced a book describing
a different species called Whorled loosestrife and by then everyone was confused:-)