Published in Rhodora, in 1953, in volume 55, issue 651, pages 61-62
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Published in Rhodora, in 1954, in volume 56, issue 661, pages 7-21
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Published in Madroño, in 1948, in volume 9, issue 8, pages 233-238
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Published in Madroño, in 1945, in volume 8, issue 3, pages 103-104
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Published in Madroño, in 1950, in volume 10, issue 8, pages 250-251
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Published in American Fern Journal, in 1970, in volume 60, pages 34-38
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Published in Annals of the Missouri Botanical Garden, in 1940, in volume 27, pages 371-560
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Published in Phytologia, in 1981, in volume 50, pages 317-326.
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Published in Rhodora, in 1952, in volume 54, issue 638, pages 29-35
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Published in Annals of the Missouri Botanical Garden, in 1944, in volume 31, pages 373-413
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Published in Madroño, in 1973, in volume 22, issue 1, pages 10-24
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Published in Annals of the Missouri Botanical Garden, in 1939, in volume 26, pages 325-348
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Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 187-259
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Published in Rhodora, in 1984, in volume 86, issue 846, pages 151-231
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Published in Madroño, in 1977, in volume 24, issue 1, pages 24-29
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Published in Rhodora, in 1959, in volume 61, issue 723, pages 70-72
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Published in Rhodora, in 1963, in volume 65, issue 764, pages 339-354
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Published in Rhodora, in 1946, in volume 48, issue 567, pages 61-63
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Published in Madroño, in 1943, in volume 7, issue 3, pages 94-96
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Published in Madroño, in 1961, in volume 16, issue 2, pages 74-76
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Published in Madroño, in 1969, in volume 20, issue 4, pages 225-228
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Published in Rhodora, in 1969, in volume 71, issue 786, pages 285-296
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Published in Madroño, in 1941, in volume 6, issue 2, pages 58-59
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Published in Madroño, in 1969, in volume 20, issue 4, pages 238-239
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Published in Madroño, in 1948, in volume 9, issue 5, pages 165-168
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Published in Annals And Magazine of Natural History, in 1844, in volume 13, pages 154-160
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Published in Phytologia, in 2018, in volume 100, issue 1, pages 51-61
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Published in Revue Suisse de Zoologie, in 1920, in volume 28, pages 11-44
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Published in Annals And Magazine of Natural History, in 1865, in volume 16, pages 144
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Published in Journal of Arachnology, in 1983, in volume 11, issue 2, pages 243-250
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Published in Great Basin Naturalist, in 1974, in volume 34, pages 231-237
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Published in Cryptogamie. Mycologie, in 1982, in volume 3, issue 2, pages 145-150
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Published in Alytes, in 1982, in volume 1, issue 1, pages 3-4
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in 1879, pages 1-2
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Published in Nautilis, in 1916, in volume 29, pages 116-119
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Published in Madroño, in 1964, in volume 17, issue 5, pages 156-160
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Published in Nautilis, in 1918, in volume 32, pages 17-18
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Published in Cryptogamie. Mycologie, in 1993, in volume 14, issue 3, pages 207-213
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Published in Journal of Raptor Research, in 1996, in volume 30, issue 4, pages 237-239
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Published in Journal of Raptor Research, in 2000, in volume 34, issue 3, pages 237-241
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Published in Nautilis, in 1936, in volume 50, pages 64-66
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Published in Deutsche Entomologische Zeitschrift, in 1904, in volume 1904, issue 1, pages 12
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Published in Journal of The Bombay Natural History Society, in 1979, in volume 76, issue 3, pages 550-551
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Published in Annals And Magazine of Natural History, in 1896, in volume 18, pages 485-486
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Published in Proceedings of The Royal Society of Victoria, in 1981, in volume 92, issue 1, pages 55-65
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Published in Biol Bull, in 1997, in volume 192, pages 203-207
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Published in Notes From The Leyden Museum, in 1905, in volume 25, issue 3, pages 99-102
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Published in Notes From The Leyden Museum, in 1901, in volume 22, issue 3, pages 188
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Published in Notes From The Leyden Museum, in 1895, in volume 16, issue 3/4, pages 133-135
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