Published in American Fern Journal, in 1987, in volume 77, pages 68-69

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Published in American Fern Journal, in 1993, in volume 83, pages 46

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Published in American Fern Journal, in 2002, in volume 92, pages 247

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Published in American Fern Journal, in 1976, in volume 66, pages 53-59

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Published in The Auk, in 1899, in volume 16, pages 363-364

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Published in Sida, Contributions To Botany, in 2005, in volume 21, issue 4, pages 2389-2423

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Published in The Auk, in 1896, in volume 13, pages 335

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Published in The Auk, in 1907, in volume 24, pages 214

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Published in Rhodora, in 1957, in volume 59, issue 703, pages 179-180

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Published in Psyche: A Journal of Entomology, in 1978, in volume 85, issue 1, pages 1-23

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Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

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Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

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Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

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Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

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Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

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Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

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Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

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Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1

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Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

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Published in Rhodora, in 1953, in volume 55, issue 659, pages 325-328

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Published in The Auk, in 1912, in volume 29, pages 508-530

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Published in Madroño, in 1990, in volume 37, issue 1, pages 60-65

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Published in Madroño, in 1986, in volume 33, issue 3, pages 233

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Published in Madroño, in 1988, in volume 35, issue 2, pages 164-167

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Published in The Auk, in 1914, in volume 31, pages 212-235

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Published in Breviora, in 1969, in volume 325, pages 1-24

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Published in The Auk, in 1920, in volume 37, pages 298

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Published in Biological Bulletin, in 1912, in volume 22, pages 309-319

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Published in Rhodora, in 1955, in volume 57, issue 678, pages 161-173

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Published in Madroño, in 1975, in volume 23, issue 4, pages 191-198

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Published in The Wilson Bulletin, in 1999, in volume 111, issue 1, pages 15-21

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Published in Entomological News, Philadelphia, in 1933, in volume 44, pages 258-261

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Published in The Auk, in 1913, in volume 30, pages 276-277

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Published in Zoologische Jahrbücher, in 1898, in volume 11, pages 379-384

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Published in Madroño, in 2017, in volume 64, issue 1, pages 1-2

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Published in Journal of The Royal Society of Western Australia, in 1997, in volume 80, issue 4, pages 255-262

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Published in The Auk, in 1898, in volume 15, pages 72-73

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Published in Proceedings of The American Philosophical Society, in 1904, in volume 43, issue 178, pages 365-380

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Published in Rhodora, in 1934, in volume 36, pages 274-84

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Published in Rhodora, in 1964, in volume 66, issue 766, pages 100-109

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Published in Proceedings of The Zoological Society of London, in 1922, in volume 1922, pages 193-196

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Published in Psyche: A Journal of Entomology, in 1956, in volume 63, issue 1, pages 24-26

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Published in Journal of Research on the Lepidoptera, in 1966, in volume 5, issue 4, pages 265-266

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Published in Bulletin of The British Ornithologists' Club, in 2004, in volume 124, pages 151-153

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Published in The Great Basin Naturalist, in 1998, in volume 58, issue 3, pages 217-230

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Published in Breviora, in 1987, in volume 488, pages 1-9

Created: 2009-12-23, modified: 2016-12-29

Published in Moscosoa, in 1993, in volume 7, issue 0, pages 199-200

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Published in Rhodora, in 1971, in volume 73, issue 795, pages 309-369

Created: 2016-07-19, modified: 2016-07-19

Published in Madroño, in 1992, in volume 39, issue 2, pages 155-157

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