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Published in Journal of The Arnold Arboretum, in 1966, in volume 47, issue 3, pages 262-265

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Published in Contributions In Science (Los Angeles), in 1986, in volume 375, pages 1-17

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Published in Rhodora, in 1901, in volume 3, issue 34, pages 252-253

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Published in Rhodora, in 1904, in volume 6, issue 64, pages 72-75

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Published in Rhodora, in 1909, in volume 11, issue 126, pages 116-118

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Published in Rhodora, in 1945, in volume 47, issue 554, pages 63-64

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Published in Adansonia, in 1998, in volume 20, issue 1, pages 211-216

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Published in Botanical Gazette, in 1899, in volume 28, issue 2, pages 110-121

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Published in Madroño, in 1971, in volume 21, issue 1, pages 1-9

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Published in Madroño, in 1973, in volume 22, issue 4, pages 207-213

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Published in Torreya, in 1917, in volume 17, issue 9, pages 163-164

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Published in Contributions in Science, in 1980, in volume 327, pages 1-6

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Published in Bulletin of the Amateur Entomologists' Society, in 2009, in volume 68, pages 192-199

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Published in Proceedings of the California Academy of Sciences, in 1917, in volume 7, pages 197-205

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Published in The Auk, in 1920, in volume 37, pages 306-307

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Published in Transactions Roy Soc South Australia, in 1976, in volume 100, pages 121-123

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Published in Transactions Roy Soc South Australia, in 1973, in volume 97, pages 257-279

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Published in Veliger, in 1967, in volume 9, pages 413-440

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Published in Novon, in 1998, in volume 8, issue 2, pages 140

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Published in Palaeontology, in 1963, in volume 5, issue 4, pages 790-816

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