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Published in Torreya, in 1933, in volume 33, issue 3, pages 57-62
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Published in Rhodora, in 1900, in volume 2, issue 13, pages 6-8
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Published in Biol Bull, in 1967, in volume 132, pages 23-33
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Published in Phytologia, in 1978, in volume 39, issue 2, pages 112-126
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Published in The Great Basin Naturalist, in 1980, in volume 40, pages 121-126
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Published in Psyche: A Journal of Entomology, in 1889, in volume 5, issue 160-164, pages 279
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Published in Journal of The Arnold Arboretum, in 1949, in volume 30, issue 4, pages 345-347
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Published in Gardens' Bulletin, Singapore, in 1961, in volume 18, issue 2, pages 71-75
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Published in Madroño, in 1966, in volume 18, issue 8, pages 225-233
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Published in Biol Bull, in 1956, in volume 110, pages 258-263
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Published in Phytologia, in 1980, in volume 45, issue 3, pages 221-254
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Published in Memoirs of the Queensland Museum, in 1956, in volume 13, pages 125-140
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Published in The Wilson Bulletin, in 1964, in volume 76, issue 4, pages 347-354
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Published in Bulletin United States National Museum, in 1969, in volume 296, pages 1-162
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Published in Phytologia, in 1981, in volume 47, issue 4, pages 291-300
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Published in Austrobaileya, in 2001, in volume 6, issue 1, pages 95-97
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Published in Psyche: A Journal of Entomology, in 1884, in volume 4, issue 121, pages 169
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Published in Psyche: A Journal of Entomology, in 1891, in volume 6, issue 177, pages 10-11
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Published in The Great Basin Naturalist, in 1962, in volume 22, pages 83-86
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Published in American Fern Journal, in 2001, in volume 91, pages 187-196
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Published in The Wilson Bulletin, in 1989, in volume 101, issue 2, pages 305-343
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Published in Madroño, in 1976, in volume 23, issue 7, pages 404
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