Published in Botanical Museum Leaflets, Harvard University, in 1974, in volume 24, pages 37-48

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Published in Botanical Museum Leaflets, Harvard University, in 1977, in volume 25, pages 289-320

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Published in Journal of Ethnobiology, in 1989, in volume 9, issue 1, pages 119-126

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Published in Botanical Museum Leaflets, Harvard University, in 1983, in volume 29, issue 3, pages 273-290

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Published in Fieldiana: Botany, New Series, in 1981, in volume 8, pages 1-16

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Published in Fieldiana, in 1984, in volume 15, pages 1-63

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Published in Fieldiana Botany, in 1998, in volume 39, pages 1-135

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Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 3, pages 253-261

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Published in Botanical Museum Leaflets, Harvard University, in 1983, in volume 29, issue 4, pages 297-341

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Published in Botanical Museum Leaflets, Harvard University, in 1971, in volume 23, pages 61-92

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Published in Botanical Museum Leaflets, Harvard University, in 1974, in volume 23, pages 337-367

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Published in Botanical Museum Leaflets, Harvard University, in 1977, in volume 25, pages 259-272

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Published in Fieldiana Botany, in 1990, in volume 24, pages 1-66

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Published in Fieldiana Botany, in 1991, in volume 28, pages 1-43

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Published in Botanical Museum Leaflets, Harvard University, in 1978, in volume 26, pages 203-209

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Published in Palaeontology, in 1976, in volume 19, issue 3, pages 437-502

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Published in Phytologia, in 1985, in volume 58, pages 172-177

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Published in Memoirs of the Queensland Museum, in 1994, in volume 36, pages 185-190

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Published in Sida, Contributions To Botany, in 1993, in volume 15, issue 3, pages 555-556

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Published in Journal of Arachnology, in 1988, in volume 16, issue 1, pages 121-122

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Published in Botanical Gazette, in 1910, in volume 50, issue 5, pages 392-393

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Published in Asa Gray correspondence. Senders A, in 1889, pages 1-2

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Published in Asa Gray correspondence. Senders A, in 1880, pages 1-2

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Published in Asa Gray correspondence. Senders A, in 1881, pages 1

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Published in Asa Gray correspondence. Senders A, in 1882, pages 1

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Published in Journal of Arachnology, in 1989, in volume 17, issue 1, pages 27-41

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Published in Fieldiana: Botany, New Series, in 1987, in volume 19, pages 1-41

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Published in Journal of Arachnology, in 1989, in volume 17, issue 2, pages 143-148

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Published in Madroño, in 1996, in volume 43, issue 3, pages 432-440

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Published in Journal of Arachnology, in 1994, in volume 22, issue 3, pages 114-130

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Published in Torreya, in 1909, in volume 9, issue 1, pages 3-5

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Published in Botanical Gazette, in 1880, in volume 5, issue 11, pages 140-141

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Published in Malacologia, in 2010, in volume 53, issue 1, pages 155-159

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Published in Banisteria, in 2008, in volume 31, pages 40-46

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Published in Botanical Gazette, in 1915, in volume 60, issue 3, pages 169-192

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Published in Botanical Museum Leaflets, Harvard University, in 1978, in volume 26, pages 199-201

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Published in Brimleyana, in 1998, in volume 25, pages 158-170

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Published in Veliger, in 1999, in volume 42, pages 338-372

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Published in Kirtlandia, in 2004, in volume 54, pages 1-32

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Published in The Wilson Bulletin, in 2005, in volume 117, issue 3, pages 237-244

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Published in Madroño, in 2008, in volume 55, pages 143-150

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Published in Telopea, in 2005, in volume 11, issue 1, pages 87-89

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Published in American Fern Journal, in 1976, in volume 66, pages 60-62

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Published in American Fern Journal, in 1978, in volume 68, pages 61-62

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Published in The Great Basin Naturalist, in 1983, in volume 43, pages 88-92

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Published in American Malacological Bulletin, in 2013, in volume 31, issue 2, pages 331-336

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Published in Proceedings of the California Academy of Sciences, in 1984, in volume 43, pages 221-238

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Published in Malacologia, in 2014, in volume 57, issue 1, pages 1-97

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Published in Madroño, in 1996, in volume 43, issue 2, pages 334-338

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Published in Biol Bull, in 1956, in volume 111, pages 235-239

Created: 2010-01-06, modified: 2011-06-21