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Published in Palaeontology, in 1990, in volume 33, issue 3, pages 613-622

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Published in Annals of the Missouri Botanical Garden, in 1990, in volume 77, pages 605

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Published in Rhodora, in 1968, in volume 70, issue 783, pages 439-441

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Published in Torreya, in 1922, in volume 22, issue 4, pages 61-63

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Published in Rhodora, in 1947, in volume 50, issue 590, pages 38-49

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Published in Nautilis, in 1941, in volume 54, pages 75-77

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Published in Phytologia, in 1979, in volume 41, issue 7, pages 447-448

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Published in Madroño, in 1949, in volume 10, issue 4, pages 108-110

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Published in Entomological News, in 1957, in volume 68, pages 85-88

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Published in Rhodora, in 1972, in volume 74, issue 800, pages 495-516

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Published in Acta Botánica Mexicana, in 2010, in volume 91, pages 1-7

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Published in Madroño, in 1975, in volume 23, issue 3, pages 153-159

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Published in The Canadian Entomologist, Ontario, in 1880, in volume 12, pages 148-152

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Published in Copeia, in 1917, in volume 47, pages 74-76

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Published in Rhodora, in 1964, in volume 66, pages 406-07

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Published in Sida, Contributions To Botany, in 1979, in volume 8, issue 2, pages 215-216

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Published in The Auk, in 1917, in volume 34, pages 337

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Published in Phytologia, in 1974, in volume 27, issue 6, pages 440

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Published in Torreya, in 1923, in volume 23, issue 6, pages 95-99

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Published in Rhodora, in 1976, in volume 78, pages 761-766

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Published in Rhodora, in 1963, in volume 65, issue 761, pages 50-55

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Published in Journal of The Arnold Arboretum, in 1973, in volume 54, issue 2, pages 309-314

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Published in Contributions From The University of Michigan Herbarium, in 1972, in volume 9, issue 4, pages 359-484

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Published in Biol Bull, in 1957, in volume 112, pages 241-248

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Published in Novon, in 2002, in volume 12, pages 249-252

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Published in Rhodora, in 1970, in volume 72, issue 789, pages 72-80

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Published in Rhodora, in 1966, in volume 68, issue 776, pages 518-519

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Published in Sida, Contributions To Botany, in 1964, in volume 1, issue 6, pages 328-336

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Published in Proceedings of The American Philosophical Society, in 1913, in volume 52, issue 212, pages 606-615

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Published in Transactions of the Royal Society of South Africa, in 1910, in volume 2, issue 1, pages 79-82

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Published in Contributions from the University of Michigan Herbarium, in 1993, in volume 19, pages 207-239

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Published in Contributions from the University of Michigan Herbarium, in 1982, in volume 15, pages 191-196

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Published in Rhodora, in 1938, in volume 40, issue 472, pages 175-177

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Published in Rhodora, in 1972, in volume 74, issue 797, pages 154

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Published in Annals of Tropical Medicine & Parasitology, in 1924, in volume 18, issue 3, pages 267-322

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Published in The Wilson Bulletin, in 1967, in volume 79, issue 3, pages 339

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Published in Journal of The Royal Society of Western Australia, in 2011, in volume 94, issue 2, pages 377-391

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Published in Annals of the Missouri Botanical Garden, in 1965, in volume 52, pages 399-409

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Published in Rhodora, in 1954, in volume 56, issue 670, pages 205-212

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Published in Novon: A Journal For Botanical Nomenclature, in 2010, in volume 20, pages 448-462

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Published in Proceedings of The American Philosophical Society, in 1880, in volume 18, issue 105, pages 461-464

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Published in The Wilson Bulletin, in 1903, in volume 15, issue 3, pages 91-93

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Published in Proceedings of The Royal Society of Victoria, in 1918, in volume 30, issue 2, pages 139-141

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Published in Western Australian Naturalist, in 1961, in volume 8, issue 2, pages 33-41

Created: 2021-04-04, modified: 2021-04-04