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Published in Proceedings of The Entomological Society of Washington, in 1977, in volume 79, pages 273
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Published in Madroño, in 1941, in volume 6, issue 1, pages 13-15
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Published in Torreya, in 1928, in volume 28, issue 3, pages 53-57
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Published in Torreya, in 1932, in volume 32, issue 6, pages 147-153
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Published in The Wilson Bulletin, in 2002, in volume 114, issue 2, pages 282
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Published in Madroño, in 1941, in volume 6, issue 1, pages 12
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Published in American Fern Journal, in 1970, in volume 60, pages 84-86
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Published in The Wilson Bulletin, in 1994, in volume 106, issue 2, pages 189-202
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Published in American Fern Journal, in 1966, in volume 56, pages 188
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Published in Madroño, in 1940, in volume 5, issue 8, pages 247-248
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Published in Madroño, in 1950, in volume 10, issue 8, pages 250-251
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Published in Great Basin Naturalist, in 1974, in volume 34, pages 121-134
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Published in Molluscan Research, in 2001, in volume 21, issue 1, pages 1-15
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Published in Journal of The Washington Academy of Sciences, in 1931, in volume 21, pages 336-339
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Published in Veliger, in 1975, in volume 18, pages 1-15
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Published in Psyche: A Journal of Entomology, in 1927, in volume 34, issue 1, pages 42-46
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Published in Madroño, in 1947, in volume 9, issue 1, pages 1-8
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Published in The Wilson Bulletin, in 2000, in volume 112, issue 1, pages 88-98
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Published in Madroño, in 1941, in volume 6, issue 3, pages 92-94
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Published in Madroño, in 1951, in volume 11, issue 1, pages 22-24
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Published in Madroño, in 1973, in volume 22, issue 1, pages 31
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Published in The Wilson Bulletin, in 1987, in volume 99, issue 4, pages 601-610
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Published in Rhodora, in 1941, in volume 43, issue 512, pages 344-348
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Published in Bulletin of the British Museum (Natural History) Zoology, in 1965, in volume 11, issue 9, pages 583-630
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Published in Annals of the Missouri Botanical Garden, in 1979, in volume 66, pages 482-489
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Published in Annals of Carnegie Museum, in 2001, in volume 70, issue 3, pages 179-220
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Published in Victorian Naturalist, in 2010, in volume 127, issue 5, pages 216-217
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Published in Victorian Naturalist, in 2011, in volume 128, issue 6, pages 280
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Published in Zoologica New York, in 1921, in volume 3, pages 137-168
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Published in American Fern Journal, in 1962, in volume 52, pages 132-133
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Published in American Fern Journal, in 1970, in volume 60, pages 119-128
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Published in Palaeontology, in 1971, in volume 14, issue 2, pages 266-293
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Published in Journal of The New York Entomological Society, in 1994, in volume 102, issue 1, pages 120-122
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Published in Victorian Naturalist, in 2013, in volume 130, issue 3, pages 145-148
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Published in Phytologia, in 1971, in volume 21, issue 3, pages 165-195
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Published in Rhodora, in 1957, in volume 59, issue 698, pages 43-44
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Published in American Fern Journal, in 1964, in volume 54, pages 71-73
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Published in Botanical Gazette, in 1918, in volume 65, issue 3, pages 201-226
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Published in Psyche: A Journal of Entomology, in 1935, in volume 42, issue 1, pages 68-72
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Published in The Wilson Bulletin, in 1912, in volume 24, issue 4, pages 197
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Published in Palaeontology, in 1972, in volume 15, issue 3, pages 504-518
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Published in Phytologia, in 1971, in volume 22, pages 71-82
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Published in Phytologia, in 1935, in volume 1, pages 145-150
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Published in Phytologia, in 1935, in volume 1, pages 151-153
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Published in Biol Bull, in 1966, in volume 130, pages 67-75
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Published in The Beagle, in 1993, in volume 10, pages 67-70
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Published in Journal of The New York Entomological Society, in 1990, in volume 98, issue 1, pages 32-34
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Published in University of Kansas Science Bulletin, in 1929, in volume 19, pages 63-65
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Published in The Wilson Bulletin, in 2005, in volume 117, issue 4, pages 327-335
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