Published in Memoirs of Museum Victoria, in 2008, in volume 65, pages 51-56

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Published in Kirtlandia, in 1978, in volume 25, pages 1-8

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Published in Kirtlandia, in 1978, in volume 26, pages 1-8

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

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Published in Rhodora, in 1940, in volume 42, issue 497, pages 196-197

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Published in Rhodora, in 1949, in volume 51, issue 609, pages 191-192

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Published in Kirtlandia, in 1982, in volume 35, pages 1-20

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Published in Bulletin of the Natural History Museum. Geology series., in 1996, in volume 52, pages 91-102

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

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Published in Forktail, in 2015, in volume 31, pages 24-36

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Published in Kirtlandia, in 1985, in volume 41, pages 15-21

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Published in Journal of The Bombay Natural History Society, in 1996, in volume 93, issue 1, pages 109-111

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Published in Kirtlandia, in 1990, in volume 45, pages 33-38

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Published in Memoirs of Museum Victoria, in 1999, in volume 57, issue 2, pages 167-223

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Published in The Great Basin Naturalist, in 1983, in volume 43, pages 728-738

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Published in The Wilson Bulletin, in 1979, in volume 91, issue 1, pages 72-77

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Published in The Great Basin Naturalist, in 1984, in volume 44, pages 166-169

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Published in Palaeontology, in 1988, in volume 31, issue 4, pages 1013-1028

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Published in Journal of The Asiatic Society of Bengal, in 1870, in volume 39, issue I, pages 37-40

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Published in Rodriguésia, in 1978, in volume 30, issue 45, pages 345-363

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

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

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Published in Forktail, in 2009, in volume 25, pages 159-160

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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 The Great Basin Naturalist, in 1985, in volume 45, issue 2, pages 291-292

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

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Published in Journal of The Asiatic Society of Bengal, in 1896, in volume 64, issue I, pages 55-64

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Published in Journal of The Asiatic Society of Bengal, in 1894, in volume 62, issue III, pages 245-255

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Published in The Great Basin Naturalist, in 1993, in volume 53, issue 4, pages 358-366

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Published in Memoirs of the Museum of Victoria, in 1989, in volume 50, issue 2, pages 287-305

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

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Published in Phytologia, in 1997, in volume 83, issue 1, pages 1-6

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Published in Biol Bull, in 2004, in volume 206, pages 65-77

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Published in The Great Basin Naturalist, in 1984, in volume 44, pages 313-316

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Published in Mémoires du Muséum national d'histoire naturelle, in 1995, in volume 166, pages 313-320

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Published in Transactions and Proceedings of the Royal Society of Victoria, in 1865, in volume 6, pages 26

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Published in Journal of The Asiatic Society of Bengal, in 1896, in volume 64, issue I, pages 65-68

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Published in Rhodora, in 1939, in volume 41, issue 489, pages 385-461

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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 The Great Basin Naturalist, in 1998, in volume 58, issue 2, pages 167-183

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Published in Memoirs of Museum Victoria, in 2008, in volume 65, pages 57-62

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Published in Entomologische Rundschau, in 1909, in volume 26, pages 70-71

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Published in Memoirs of the Queensland Museum, in 2003, in volume 49, issue 1, pages 123-151

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Published in Biologia Centrali-Americana, in 1879, in volume 1, issue I, pages 1-32

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Published in Phytologia, in 1971, in volume 21, issue 5, pages 315-319

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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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