Published in Raptor Research, in 1980, in volume 14, issue 2, pages 61-62

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Published in Raptor Research, in 1982, in volume 16, issue 1, pages 27-28

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Published in Rhodora, in 1978, in volume 80, pages 92-106

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Published in Rhodora, in 1954, in volume 56, issue 661, pages 1-6

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Published in Rhodora, in 1955, in volume 57, pages 219-240

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Published in American Fern Journal, in 1950, in volume 40, pages 21-32

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Published in American Fern Journal, in 1966, in volume 56, pages 101-107

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Published in Zeitschrift für wissenschaftliche Insektenbiologie, in 1915, in volume 11, pages 218-219

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Published in Rhodora, in 1966, in volume 68, pages 121-138

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Published in Rhodora, in 1958, in volume 60, issue 720, pages 309-316

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Published in American Fern Journal, in 1983, in volume 73, pages 53-62

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Published in Zeitschrift für wissenschaftliche Insektenbiologie, in 1913, in volume 9, pages 120-122

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Published in Revue Suisse De Zoologie, in 2008, in volume 115, pages 491-495

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Published in American Fern Journal, in 1972, in volume 62, pages 95

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Published in Annals of the Missouri Botanical Garden, in 1972, in volume 59, pages 203-217

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Published in Sida, Contributions To Botany, in 1975, in volume 6, issue 2, pages 63-66

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Published in Entomologische Berichten Amsterdam, in 1953, in volume 14, pages 232-234

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Published in American Fern Journal, in 1983, in volume 73, pages 1-5

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Published in Contributions from the University of Michigan Herbarium, in 1999, in volume 22, pages 135-187

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Published in Palaeontology, in 1998, in volume 41, issue 1, pages 1-22

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Published in Rhodora, in 1961, in volume 63, pages 164-175

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Published in Rhodora, in 2000, in volume 102, issue 911, pages 277

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Published in Contributions From The University of Michigan Herbarium, in 1993, in volume 19, pages 63-82

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Published in Rhodora, in 1956, in volume 58, issue 688, pages 79-87

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Published in American Fern Journal, in 1966, in volume 56, pages 3-17

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Published in American Fern Journal, in 1972, in volume 62, pages 33-43

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Published in Contributions From The University of Michigan Herbarium, in 1982, in volume 15, pages 315-324

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Published in Novon, in 2004, in volume 14, pages 6-11

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Published in Gardens' bulletin, Singapore, in 1977, in volume 30, pages 251-267

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Published in Novon, in 1996, in volume 6, pages 68-71

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Published in Novon, in 1998, in volume 8, pages 307-310

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Published in Novon, in 1992, in volume 2, pages 267-268

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Published in Sida, Contributions To Botany, in 1976, in volume 6, issue 3, pages 224-234

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Published in American Fern Journal, in 1964, in volume 54, pages 105-113

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Published in Contributions from the University of Michigan Herbarium, in 1990, in volume 17, pages 313-325

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Published in Rhodora, in 1965, in volume 66, issue 767, pages 255-266

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Published in Bonn zoological bulletin, in 2012, in volume 61, issue 2, pages 216-240

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Published in Novon, in 1995, in volume 5, pages 183-187

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Published in American Fern Journal, in 1982, in volume 72, pages 97-102

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Published in Madroño, in 1983, in volume 30, issue 2, pages 126

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Published in Rhodora, in 1958, in volume 60, issue 715, pages 177-204

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Published in American Fern Journal, in 1989, in volume 79, pages 1-6

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Published in Journal of Raptor Research, in 1988, in volume 22, issue 1, pages 32-33

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Published in Entomologische Zeitschrift, in 1909, in volume 23, pages 17-19

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Published in Archiv für Naturgeschichte, in 1836, in volume 2, issue 1, pages 369-372

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Published in Journal of the Lepidopterists' Society, in 2009, in volume 63, issue 2, pages 89-92

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