Published in Torreya, in 1939, in volume 39, issue 5, pages 143-151

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Published in Torreya, in 1933, in volume 33, issue 4, pages 97-103

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Published in Torreya, in 1938, in volume 38, issue 4, pages 99-106

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Published in Cryptogamie. Algologie, in 1982, in volume 3, issue 1, pages 81

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Published in Rhodora, in 1908, in volume 10, issue 109, pages 1-9

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Published in Rhodora, in 1919, in volume 21, issue 242, pages 25-35

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Published in Botanical Gazette, in 1889, in volume 14, issue 1, pages 19

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Published in Botanical Gazette, in 1909, in volume 48, issue 4, pages 283-293

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Published in Contributions in Science, in 1969, in volume 167, pages 1-32

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Published in The Great Basin Naturalist, in 1947, in volume 8, pages 36

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Published in Botanical Gazette, in 1918, in volume 66, issue 6, pages 512-523

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Published in Pan-Pacific Entomologist, in 1966, in volume 42, issue 1, pages 20-24

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Published in Botanical Gazette, in 1909, in volume 48, issue 5, pages 321-338

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Published in Phytologia, in 2014, in volume 96, issue 2, pages 135-148

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Published in Entomological News, in 1997, in volume 108, issue 2, pages 141-147

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Published in The Great Basin Naturalist, in 1942, in volume 3, pages 22

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Published in The Auk, in 1903, in volume 20, pages 435

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Published in The Auk, in 1904, in volume 21, pages 218-223

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Published in Proceedings of The American Philosophical Society, in 1897, in volume 36, issue 155, pages 320-323

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Published in Bulletin of the Hill Museum, in 1922, in volume 1, pages 189-192

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Published in Torreya, in 1936, in volume 36, issue 3, pages 71-73

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Published in Pacific Science, in 1950, in volume 4, issue 3, pages 208-213

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Published in Nautilis, in 1912, in volume 25, pages 104-106

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Published in American Fern Journal, in 1911, in volume 1, pages 111-113

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Published in Botanical Gazette, in 1894, in volume 19, issue 6, pages 244-245

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Published in Madroño, in 1947, in volume 9, issue 1, pages 8-17

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Published in Madroño, in 1950, in volume 10, issue 6, pages 179-184

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Published in Torreya, in 1935, in volume 35, issue 2, pages 44-47

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Published in Annals of the Missouri Botanical Garden, in 1975, in volume 62, issue 2, pages 251-263

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Published in The Auk, in 1888, in volume 5, pages 311-312

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Published in Psyche: A Journal of Entomology, in 1889, in volume 5, issue 153, pages 147-148

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Published in Memoirs of The Torrey Botanical Club, in 1918, in volume 17, issue 2, pages 246-252

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Published in The Wilson Bulletin, in 1978, in volume 90, issue 4, pages 479-491

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Published in Ticks, a monograph of the Ixodoidea, in 1915, in volume 3, pages 349-550

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Published in Torreya, in 1904, in volume 4, issue 2, pages 23-26

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Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1943, in volume 9, pages 79-92

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Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1951, in volume 17, pages 167-188

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Published in Journal of South African botany, in 1956, in volume 22, pages 65-77

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Published in Journal of South African botany, in 1967, in volume 34, pages 267-287

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Published in Annals And Magazine of Natural History, in 1910, in volume 6, pages 116-141

Created: 2011-09-22, modified: 2011-09-22

Published in Annals And Magazine of Natural History, in 1910, in volume 5, pages 465-496

Created: 2011-09-22, modified: 2011-09-22

Published in Annals And Magazine of Natural History, in 1910, in volume 5, pages 430-464

Created: 2011-09-22, modified: 2011-09-22

Published in Proceedings of The American Philosophical Society, in 1883, in volume 20, issue 113, pages 649-655

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Published in Pan-Pacific Entomologist, in 1995, in volume 71, issue 2, pages 75-77

Created: 2018-06-24, modified: 2018-06-24

Published in Annals and Magazine of Natural History, in 1906, in volume 17, issue 98, pages 189-222

Created: 2022-07-25, modified: 2022-07-25

Published in Annals and Magazine of Natural History, in 1906, in volume 17, issue 97, pages 112-147

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Published in Annals and Magazine of Natural History, in 1906, in volume 17, issue 100, pages 344-359

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Published in Annals and Magazine of Natural History, in 1906, in volume 17, issue 99, pages 253-269

Created: 2022-07-25, modified: 2022-07-25

Published in Contributions in Science, in 1970, in volume 182, pages 1-14

Created: 2017-07-18, modified: 2023-02-16

Published in Annals of Natural History, in 1918, in volume 2, pages 181-196

Created: 2010-11-23, modified: 2015-08-20