Published in Palaeontology, in 1960, in volume 3, issue 1, pages 93-103

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Published in Proceedings of The Biological Society of Washington, in 1914, in volume 27, pages 227

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Published in Postilla, in 2001, in volume 225, pages 1-26

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Published in Madroño, in 1964, in volume 17, issue 7, pages 235-236

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Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 159-160

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Published in Madroño, in 1940, in volume 5, issue 5, pages 175

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Published in Madroño, in 1950, in volume 10, issue 6, pages 178-179

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Published in Madroño, in 1936, in volume 3, issue 8, pages 367-369

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Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 157-162

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Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 96

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Published in Veliger, in 1987, in volume 29, pages 394-399

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Published in Madroño, in 1938, in volume 4, issue 5, pages 137-153

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Published in Botanical Gazette, in 1900, in volume 29, issue 6, pages 437-441

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Published in Madroño, in 1935, in volume 3, issue 4, pages 154-168

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Published in Madroño, in 1941, in volume 6, issue 4, pages 97-119

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Published in Torreya, in 1939, in volume 39, issue 6, pages 177-183

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Published in Telopea, in 2004, in volume 10, issue 2, pages 581-587

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Published in Madroño, in 1940, in volume 5, issue 7, pages 209-218

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Published in Madroño, in 1937, in volume 4, issue 1, pages 1-16

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Published in Madroño, in 1935, in volume 3, issue 2, pages 42-50

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Published in Madroño, in 1939, in volume 5, issue 2, pages 77

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Published in Tijdschrift Voor Entomologie, in 1996, in volume 139, pages 73-77

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Published in Telopea, in 2018, in volume 21, pages 19-24

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Published in American Fern Journal, in 1952, in volume 42, issue 2, pages 41

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Published in Botanical Gazette, in 1898, in volume 26, issue 5, pages 343-348

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Published in Botanical Gazette, in 1904, in volume 38, issue 6, pages 401-426

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Published in Madroño, in 1934, in volume 2, issue 17, pages 137-142

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Published in Madroño, in 1959, in volume 15, issue 1, pages 14-25

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Published in Madroño, in 1960, in volume 15, issue 6, pages 161-172

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Published in Madroño, in 1957, in volume 14, issue 1, pages 1-9

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Published in American Fern Journal, in 1948, in volume 38, issue 4, pages 132

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Published in American Fern Journal, in 1952, in volume 42, pages 93-110

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Published in Botanical Gazette, in 1897, in volume 24, issue 6, pages 399-416

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Published in Botanical Gazette, in 1901, in volume 31, issue 6, pages 410-422

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Published in Madroño, in 1940, in volume 5, issue 5, pages 170-171

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Published in Madroño, in 1951, in volume 11, issue 3, pages 149-151

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Published in Sarawak Museum Journal, in 1917, in volume 2, issue 3, pages 287-424

Created: 2019-03-24, modified: 2019-03-24

Published in American Fern Journal, in 1950, in volume 40, pages 16-21

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Published in Madroño, in 1947, in volume 9, issue 3, pages 65-102

Created: 2016-02-15, modified: 2016-07-07

Published in Journal of The Arnold Arboretum, in 1946, in volume 27, issue 4, pages 355-360

Created: 2016-07-07, modified: 2016-07-07

Published in Botanical Gazette, in 1876, in volume 2, issue 1, pages 54-55

Created: 2017-03-14, modified: 2017-03-14

Published in Botanical Gazette, in 1898, in volume 25, issue 6, pages 427-436

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Published in Madroño, in 1939, in volume 5, issue 4, pages 105-119

Created: 2016-02-15, modified: 2016-07-07

Published in Madroño, in 1955, in volume 13, issue 4, pages 138-140

Created: 2016-02-15, modified: 2016-07-07

Published in Torreya, in 1901, in volume 1, issue 11, pages 127-130

Created: 2022-12-14, modified: 2022-12-14

Published in Journal of The Straits Branch of The Royal Asiatic Society, in 1912, in volume 63, pages 1-104

Created: 2024-01-26, modified: 2024-01-26

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 121-125

Created: 2011-07-31, modified: 2011-07-31

Published in Botanical Gazette, in 1904, in volume 37, issue 2, pages 139-143

Created: 2017-03-14, modified: 2017-03-14

Published in Journal of the Arnold Arboretum, in 1949, in volume 30, pages 433-442

Created: 2011-01-26, modified: 2023-02-16

Published in Telopea, in 2012, in volume 14, pages 63-68

Created: 2020-08-16, modified: 2020-08-16