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Published in Phytologia, in 1973, in volume 26, pages 67-68

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Published in Novon, in 1992, in volume 2, pages 159-166

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Published in Novon, in 1992, in volume 2, pages 155-158

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Published in Biotropica, in 1987, pages 149-156

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Published in Phytologia, in 1973, in volume 26, pages 439-450

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Published in Novon, in 1993, in volume 3, pages 137-141

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Published in Phytologia, in 1985, in volume 57, pages 240-248

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Published in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 533-538

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Published in Annals of the Missouri Botanical Garden, in 1992, in volume 79, pages 53-64

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Published in Phytologia, in 1981, in volume 48, pages 233-237

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Published in Phytologia, in 1980, in volume 46, issue 4, pages 201-215

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Published in Annals of the Missouri Botanical Garden, in 1983, in volume 70, pages 205-206

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Published in Annals of the Missouri Botanical Garden, in 1976, in volume 63, pages 341-345

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Published in Phytologia, in 1977, in volume 35, pages 183-198

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Published in Phytologia, in 1980, in volume 47, pages 97-107

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Published in Annals of the Missouri Botanical Garden, in 1979, in volume 66, pages 756-777

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Published in Phytologia, in 1984, in volume 54, pages 475-478

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Published in Annals of the Missouri Botanical Garden, in 1974, in volume 61, pages 533-537

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Published in Annals of the Missouri Botanical Garden, in 1986, in volume 73, pages 158-165

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Published in Annals of the Missouri Botanical Garden, in 1978, in volume 65, pages 773-774

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Published in Annals of the Missouri Botanical Garden, in 1979, in volume 66, pages 778-787

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Published in Annals of the Missouri Botanical Garden, in 1974, in volume 61, pages 494-501

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Published in Annals of the Missouri Botanical Garden, in 1975, in volume 62, pages 480-483

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Published in Annals of the Missouri Botanical Garden, in 1976, in volume 63, pages 370-372

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Published in Annals of the Missouri Botanical Garden, in 1974, in volume 61, pages 728-759

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Published in Annals of the Missouri Botanical Garden, in 1986, in volume 73, pages 820-824

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Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 122-124

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Published in Madroño, in 1946, in volume 8, issue 6, pages 179-184

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Published in Madroño, in 1957, in volume 14, issue 2, pages 51-53

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Published in Madroño, in 1967, in volume 19, issue 3, pages 74-78

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Published in Madroño, in 1956, in volume 13, issue 8, pages 261-265

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Published in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 205-233

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Published in Novon, in 1995, in volume 5, pages 120-124

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Published in Annals of the Missouri Botanical Garden, in 1984, in volume 71, pages 166-168

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Published in Annals of the Missouri Botanical Garden, in 1988, in volume 75, pages 1429-1439

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Published in Annals of the Missouri Botanical Garden, in 1983, in volume 70, pages 206-207

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Published in Madroño, in 1940, in volume 5, issue 5, pages 161-162

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Published in Annals of the Missouri Botanical Garden, in 1977, in volume 64, pages 320-323

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Published in Bulletin of the British Museum (Natural History). Geology., in 1978, in volume 30, issue 1, pages 1-83

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Published in Bulletin of Zoological Nomenclature, in 1999, in volume 56, issue 1, pages 42-47

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Published in Proc. Acad. Nat. Sci. Philad. (ser. 3), in 1885, in volume 37, pages 138-148

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