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Published in Veliger, in 1974, in volume 17, pages 1-7
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1891, in volume 43, pages 455
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Published in Muelleria, in 1998, in volume 11, pages 101-111
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Published in Rhodora, in 1977, in volume 79, pages 147-159.
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Published in Muelleria, in 1976, in volume 3, issue 3, pages 165-168
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1879, in volume 31, pages 31
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1873, in volume 25, pages 232
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Published in Madroño, in 1992, in volume 39, issue 4, pages 301-303
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Published in Mycotaxon, in 2002, in volume 84, pages 69-77
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Published in Mycotaxon, in 1979, in volume 9, issue 2, pages 469-481
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Published in The Auk, in 1908, in volume 25, pages 90
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Published in Proceedings of The Zoological Society of London, in 1887, in volume 1887, pages 284-316
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Published in Proceedings of The Zoological Society of London, in 1887, in volume 1887, pages 164-189
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Published in The Wilson Bulletin, in 1903, in volume 15, issue 2, pages 60-64
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Published in Mycotaxon, in 1980, in volume 11, issue 2, pages 443-445
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Published in Novon, in 1994, in volume 4, pages 373-380
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Published in Rhodora, in 1990, in volume 92, issue 869, pages 27-35
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Published in Asa Gray correspondence. Senders Br-Bz, in 1881, pages 1-2
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Published in Mycotaxon, in 1979, in volume 8, issue 1, pages 140-143
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Published in Mycotaxon, in 1979, in volume 8, issue 1, pages 152-156
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Published in Journal of Raptor Research, in 1995, in volume 29, issue 2, pages 93-98
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