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Published in Asa Gray correspondence. Senders B-Ba, in 1885, pages 1-6

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Published in Proceedings of the Malacological Society of London, in 1908, in volume 8, issue 2, pages 62-63

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Published in Torreya, in 1912, in volume 12, issue 8, pages 190-197

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Published in Asa Gray correspondence. Senders A, in 1876, pages 1-2

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Published in Asa Gray correspondence. Senders Be-Bo, in 1896, pages 1

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Published in Asa Gray correspondence. Senders A, in 1871, pages 1-2

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Published in Asa Gray correspondence. Senders A, in 1874, pages 1-2

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Published in Phytologia, in 2022, in volume 104, issue 2, pages 8-9

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Published in Mycotaxon, in 1982, in volume 15, pages 420-424

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Published in Mycotaxon, in 1979, in volume 8, issue 1, pages 119-124

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