Published in Zoologica, in 1927, in volume 9, issue 3, pages 201-229
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Published in Zoologica, in 1923, in volume 4, issue 1, pages 3-23
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Published in Zoologica, in 1927, in volume 9, issue 4, pages 231-243
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Published in Biol Bull, in 1928, in volume 54, pages 279-288
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Published in Madroño, in 1940, in volume 5, issue 7, pages 240
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in 1888, pages 1-2
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Published in Zoologica, in 1940, in volume 25, issue 10, pages 113-116
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Published in Zoologica, in 1939, in volume 24, issue 7, pages 239-244
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Published in Zoologica, in 1941, in volume 26, issue 16, pages 123-131
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Published in PHYTOLOGIA, in 1967, in volume 14, issue 8, pages 492-506
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Published in Zoologica, in 1941, in volume 26, issue 28, pages 289-296
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Published in Zoologica, in 1926, in volume 4, issue 5, pages 159-297
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Published in Zoologica, in 1965, in volume 50, issue 10, pages 97-114
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Published in Zoologica, in 1960, in volume 45, issue 10, pages 155-160
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Published in Zoologica, in 1938, in volume 23, issue 20, pages 393-396
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Published in Biol Bull, in 1972, in volume 143, pages 296-303
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Published in Zoologica, in 1970, in volume 54, issue 8, pages 105-133
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Published in Zoologica, in 1944, in volume 29, issue 3, pages 13-16
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Published in Zoologica, in 1922, in volume 2, issue 15, pages 330-351
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Published in Zoologica, in 1967, in volume 52, issue 4, pages 25-40
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Published in Zoologica, in 1957, in volume 42, issue 1, pages 1-10
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Published in Zoologica, in 1955, in volume 40, issue 8, pages 91-98
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Published in Zoologica, in 1922, in volume 2, issue 13, pages 281-284
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Published in Zoologica, in 1942, in volume 27, issue 1, pages 1-4
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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 4, pages 1662
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Published in Rhodora, in 1934, in volume 36, issue 430, pages 376
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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 944
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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 952
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Published in The Wilson Bulletin, in 1935, in volume 47, issue 2, pages 120-124
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Published in Zoologica, in 1941, in volume 26, issue 21, pages 229-232
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Published in Zoologica, in 1933, in volume 9, issue 16, pages 565-572
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Published in Biol Bull, in 2003, in volume 204, pages 168-173
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Published in Psyche: A Journal of Entomology, in 1969, in volume 76, issue 3, pages 280-305
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Published in Madroño, in 1939, in volume 5, issue 2, pages 75-77
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Published in Zoologica, in 1940, in volume 25, issue 30, pages 493-512
Created: 2016-11-07, modified: 2016-11-07
Published in Zoologica, in 1929, in volume 9, issue 7, pages 295-312
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Published in Rhodora, in 1940, in volume 42, issue 495, pages 57-83
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1940, in volume 42, issue 498, pages 203-213
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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 4, pages 1362
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Published in American Fern Journal, in 1917, in volume 7, pages 63-66
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Published in Sida, Contributions To Botany, in 2001, in volume 19, issue 4, pages 898
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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 1042
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Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 2, pages 552
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Published in Sida, Contributions To Botany, in 2006, in volume 22, issue 1, pages 196
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Published in Palaeontology, in 1980, in volume 23, issue 3, pages 657-666
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Published in Zoologica, in 1953, in volume 38, issue 18, pages 201-202
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Published in Zoologica, in 1939, in volume 24, issue 25, pages 367-378
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Published in Zoologica, in 1936, in volume 21, issue 1, pages 1-48
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Published in Zoologica, in 1943, in volume 28, issue 20, pages 169-200
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Published in Rhodora, in 1940, in volume 42, issue 496, pages 105-143
Created: 2014-06-16, modified: 2016-07-26