Published in Journal of South African botany, in 1949, in volume 15, pages 43-48
Created: 2024-06-09, modified: 2024-06-09![](https://www.biodiversitylibrary.org/pagethumb/31994037,60,60)
Published in American Fern Journal, in 1954, in volume 44, pages 49-65
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/63617559,60,60)
Published in Journal of South African botany, in 1952, in volume 18, pages 123-134
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Published in Journal of South African botany, in 1954, in volume 20, pages 125-126
Created: 2024-06-11, modified: 2024-06-11![](https://www.biodiversitylibrary.org/pagethumb/63594390,60,60)
Published in Journal of South African botany, in 1954, in volume 20, pages 127-136
Created: 2024-06-11, modified: 2024-06-11![](https://www.biodiversitylibrary.org/pagethumb/63593670,60,60)
Published in Journal of South African botany, in 1950, in volume 16, pages 39-45
Created: 2024-06-10, modified: 2024-06-10![](https://www.biodiversitylibrary.org/pagethumb/63617523,60,60)
Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1952, in volume 18, pages 153-176
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Published in Novon, in 2004, in volume 14, pages 29-32
Created: 2011-01-28, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/569368,60,60)
Published in Rhodora, in 1917, in volume 19, issue 222, pages 105-110
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Published in Rhodora, in 1917, in volume 19, issue 223, pages 119-130
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Published in Rhodora, in 1921, in volume 23, issue 266, pages 43-47
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Published in Madroño, in 1939, in volume 5, issue 4, pages 135-136
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Published in Biol Bull, in 1955, in volume 108, pages 182-195
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/34645919,60,60)
Published in Proceedings of The Biological Society of Washington, in 1988, in volume 101, pages 234-250
Created: 2011-06-10, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/53107673,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1858, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107676,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1859, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107688,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107689,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107681,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1860, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107656,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1854, pages 1-5
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107661,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1854, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107663,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1854, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107668,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1857, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107670,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1858, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107664,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1855, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107665,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1856, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107655,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1854, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/34173411,60,60)
Published in Iheringia (Zool.), in 1997, in volume 83, pages 181-186
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Published in Mycotaxon, in 2011, in volume 117, issue 1, pages 53-85
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Published in Phytoneuron, in 2012, in volume 2012-112, pages 1-5
Created: 2016-04-29, modified: 2016-04-29![](https://www.biodiversitylibrary.org/pagethumb/53107679,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1860, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107686,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1857, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107684,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1860, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/47919931,60,60)
Published in Madroño, in 1933, in volume 2, issue 13, pages 110-112
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Published in Entomological News, in 1989, in volume 100, pages 169-172
Created: 2011-06-10, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/53107690,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/629105,60,60)
Published in Rhodora, in 1964, in volume 66, issue 768, pages 313-343
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/1750487,60,60)
Published in Nautilis, in 1914, in volume 28, pages 34-35
Created: 2013-09-28, modified: 2013-09-28![](https://www.biodiversitylibrary.org/pagethumb/4293950,60,60)
Published in Breviora, in 1967, in volume 271, pages 1-15
Created: 2009-12-27, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/32128611,60,60)
Published in Torreya, in 1938, in volume 38, issue 2, pages 55-56
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/41133770,60,60)
Published in Journal of The Lepidopterists' Society, in 1985, in volume 39, pages 26-32
Created: 2013-01-27, modified: 2013-01-27![](https://www.biodiversitylibrary.org/pagethumb/53428229,60,60)
Published in Glasgow Naturalist, in 2008, in volume 25, issue 1, pages 93-94
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Published in Nuytsia, in 2016, in volume 27, pages 21-30
Created: 2020-09-06, modified: 2023-03-22![](https://www.biodiversitylibrary.org/pagethumb/2691807,60,60)
Published in Entomological News, in 1984, in volume 95, pages 43-44
Created: 2011-06-10, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/29830436,60,60)
Published in Entomologist's Record and Journal of Variation, in 1981, in volume 93, issue 1, pages 7-10
Created: 2016-09-01, modified: 2016-09-01![](https://www.biodiversitylibrary.org/pagethumb/29830467,60,60)
Published in Entomologist's Record and Journal of Variation, in 1981, in volume 93, issue 2, pages 30-35
Created: 2016-09-01, modified: 2016-09-01![](https://www.biodiversitylibrary.org/pagethumb/52298410,60,60)
Published in The Wilson Bulletin, in 1938, in volume 50, issue 2, pages 110-112
Created: 2016-12-19, modified: 2016-12-19![](https://www.biodiversitylibrary.org/pagethumb/1527416,60,60)
Published in Biol Bull, in 1976, in volume 150, pages 453-467
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/560645,60,60)
Published in Rhodora, in 1901, in volume 3, pages 83-84
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/39703097,60,60)
Published in Journal. Washington Academy of Sciences, Washington, D. C, in 1948, in volume 38, pages 269-74
Created: 2014-01-30, modified: 2015-08-02