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Mertensia virginica
Mertensia virginica
Mertensia virginica, near
Mianthemum canadense
Michigan sand dunes showing ripple marks
Michigan sand dunes showing ripple marks
Microstylis monophyllos (Malaxis monophyllos)
Microstylis unifolia (Malaxis unifolia)
Mid-rib tumor gall of Quercus
Mimulus ringens
Minnesota map showing forest and prairie regions
Minnesota Seaside Station buildings
Minnesota Seaside Station buildings
Minnesota Seaside Station buildings
Minnesota Seaside Station living quarters
Minnie Nelson and Paper Birch in the forest
Minnie Nelson and Paper Birch in the forest
Minnie Nelson and Yellow Birch back
Mississippi Valley from Winona Bluff
Mitella diphylla