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Published in Sida, Contributions To Botany, in 1995, in volume 16, issue 3, pages 591

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Published in Botanical Gazette, in 1887, in volume 12, issue 4, pages 78-81

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Published in Madroño, in 1983, in volume 30, issue 2, pages 115-117

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Published in Rhodora, in 1970, in volume 72, issue 792, pages 489-492

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Published in Psyche: A Journal of Entomology, in 1882, in volume 3, issue 94, pages 312

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Published in American Fern Journal, in 1960, in volume 50, pages 266-267

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Published in Botanical Gazette, in 1904, in volume 38, issue 3, pages 185-205

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Published in Botanical Gazette, in 1902, in volume 34, issue 5, pages 321-340

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Published in Pan-Pacific Entomologist, in 1924, in volume 1, pages 42-43

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Published in Biol Bull, in 1934, in volume 66, pages 55-61

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Published in Phytologia, in 1984, in volume 56, issue 4, pages 199-248

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Published in Journal of The Arnold Arboretum, in 1969, in volume 50, issue 4, pages 527-555

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Published in Palaeontology, in 1975, in volume 18, issue 2, pages 217-254

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Published in Annals And Magazine of Natural History, in 1878, in volume 2, pages 266-268

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