Published in Asa Gray correspondence. Senders Be-Bo, in 1830, pages 1-3

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Published in Asa Gray correspondence. Senders Be-Bo, in 1831, pages 1-3

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Published in Biol Bull, in 1992, in volume 183, pages 278-296

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Published in Tijdschrift Voor Entomologie, in 1940, in volume 83, pages 189-192

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Published in Biol Bull, in 1991, in volume 181, pages 275-288

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Published in Proceedings of The Royal Society of Victoria, in 1911, in volume 23, issue 2, pages 342-357

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Published in Proceedings of The Biological Society of Washington, in 1981, in volume 94, pages 579-590

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Published in Madroño, in 1954, in volume 12, issue 7, pages 211-213

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Published in Journal of South African botany, in 1948, in volume 14, pages 29-40

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Published in Journal of South African Botany, in 1938, in volume 4, pages 53-54

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Published in Ibis, in 1921, in volume 3, issue 4, pages 720-725

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Published in Madroño, in 1955, in volume 13, issue 3, pages 102-107

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Published in American Fern Journal, in 1919, in volume 9, pages 117-118

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Published in Memoirs of the Queensland Museum, in 1994, in volume 34, pages 497-504

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Published in Journal of Raptor Research, in 2005, in volume 39, issue 4, pages 365-377

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Published in Ibis, in 1900, in volume 6, issue 3, pages 464-474

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Published in The Flowering Plants of Africa, in 1945, in volume 25, pages 1-2

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Published in The Flowering Plants of Africa, in 1945, in volume 25, pages 1-2

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Published in The Flowering Plants of Africa, in 1947, in volume 26, pages 1-2

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Published in The Flowering Plants of Africa, in 1946, in volume 25, pages 1-2

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Published in Jour Washington Acad Sci, in 1938, in volume 28, pages 271-277

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Published in Proceedings of The Royal Society of Victoria, in 1921, in volume 34, issue 1, pages 71

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Published in The Flowering Plants of South Africa, in 1938, in volume 18, pages 1-2

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Published in The Flowering Plants of South Africa, in 1938, in volume 18, pages 1-2

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Published in The Flowering Plants of South Africa, in 1938, in volume 18, pages 1-2

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Published in The Flowering Plants of South Africa, in 1938, in volume 18, pages 1-2

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Published in The Flowering Plants of South Africa, in 1939, in volume 19, pages 1-2

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Published in The Flowering Plants of South Africa, in 1939, in volume 19, pages 1-2

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Published in The Flowering Plants of South Africa, in 1939, in volume 19, pages 1-2

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Published in The Flowering Plants of South Africa, in 1939, in volume 19, pages 1-2

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Published in The Flowering Plants of South Africa, in 1939, in volume 19, pages 1-2

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Published in The Flowering Plants of South Africa, in 1939, in volume 19, pages 1-2

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Published in The Wilson Bulletin, in 1999, in volume 111, issue 4, pages 478-487

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Published in Mycotaxon, in 1990, in volume 37, pages 47-52

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Published in Palaeontology, in 1995, in volume 37, issue 4, pages 825-840

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Published in Scopus, in 1991, in volume 14, pages 107-116

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Published in Journal of South African botany, in 1929, in volume 25, pages 319-356

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Published in Journal of South African botany, in 1962, in volume 28, pages 45-195

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Published in Journal of South African botany, in 1960, in volume 26, pages 51-72

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Published in Fieldiana Zoology, in 1956, in volume 34, issue 40, pages 453-460

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Published in Proceedings of The Royal Society of Victoria, in 1921, in volume 33, pages 233-260

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Published in Quart J Florida Acad Sci, in 1964, in volume 27, pages 187-196

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Published in Jour Washington Acad Sci, in 1938, in volume 28, pages 41-49

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Published in The Wilson Bulletin, in 1996, in volume 108, issue 4, pages 809

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Published in Proceedings of The Biological Society of Washington, in 1982, in volume 95, pages 338-346

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Published in Scopus, in 1984, in volume 8, pages 46-48

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Published in Brimleyana, in 1982, in volume 8, pages 65-74

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Published in Bulletin of The British Museum (Natural History) Entomology, in 1964, in volume 15, pages 291-294

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Published in Entomological News, in 1956, in volume 67, pages 71-73

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Published in Journal of South African Botany, in 1938, in volume 4, pages 1-11

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