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QK117 +B8 1896
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An illustrated flora of the northern United States, Canada and the British possessions from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic ocean westward to the 102d meridian, |
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The new Britton and Brown illustrated flora of the Northeastern United States and adjacent Canada, |
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Aquatic and wetland plants of northeastern North America : a revised and enlarged edition of Norman C. Fassett's A manual of aquatic plants / |
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