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Published in Rhodora, in 1903, in volume 5, issue 56, pages 196-197
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Published in Rhodora, in 1919, in volume 21, issue 251, pages 208
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Published in Rhodora, in 1914, in volume 16, issue 185, pages 96
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Published in American Fern Journal, in 1915, in volume 5, pages 113-118
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Published in Proceedings of The Biological Society of Washington, in 1951, in volume 64, pages 65-72
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Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 113-123
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Published in Proceedings of The Biological Society of Washington, in 1952, in volume 65, pages 89-105
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Published in Proceedings of The Biological Society of Washington, in 1957, in volume 70, pages 119-127
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Published in Proceedings of The Biological Society of Washington, in 1956, in volume 69, pages 157-165
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Published in Proceedings of The Biological Society of Washington, in 1959, in volume 72, pages 121-126
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Published in The Wilson Bulletin, in 1914, in volume 26, issue 2, pages 86-101
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Published in Transactions of The American Microscopical Society, in 1897, in volume 18, pages 282-286
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Published in Zoologica, in 1968, in volume 53, issue 6, pages 75-84
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Published in The Wilson Bulletin, in 1912, in volume 24, issue 3, pages 117-125
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Published in Rhodora, in 1955, in volume 57, issue 684, pages 337-338
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Published in Madroño, in 1950, in volume 10, issue 5, pages 159
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COMPARATIVE SUCCESSIONAL ROLES OF TREMBLING ASPEN AND LODGEPOLE PINE IN THE SOUTHERN ROCKY MOUNTAINS
Published in The Great Basin Naturalist, in 1983, in volume 43, pages 447-455
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Published in Alytes, in 1987, in volume 6, issue 1-2, pages 75-84
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Published in Proceedings of The Zoological Society of London, in 1923, in volume 1923, pages 41-58
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