Published in Hedwigia, in 1893, in volume 32, pages 216-227

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Published in Hedwigia, in 1895, in volume 34, pages 88-116

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Published in Hedwigia, in 1900, in volume 39, issue Beibl., pages 76-80

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Published in Hedwigia, in 1904, in volume 43, pages 187-188

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Published in Hedwigia, in 1901, in volume 40, pages 323-342

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Published in Hedwigia, in 1903, in volume 42, pages 309-310

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Published in Hedwigia, in 1904, in volume 43, pages 150-153

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Published in Hedwigia, in 1903, in volume 42, pages 308-309

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Published in Hedwigia, in 1904, in volume 43, pages 78-95

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Published in Hedwigia, in 1908, in volume 47, pages 266-270

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Published in Hedwigia, in 1905, in volume 44, pages 57-71

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Published in Hedwigia, in 1902, in volume 41, pages 104-118

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Published in Hedwigia, in 1902, in volume 41, pages 295-311

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Published in Hedwigia, in 1905, in volume 44, pages 168-178

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Published in Botanische Jahrbücher für Systematik Pflanzengeschichte und Pflanzengeographie, in 1895, in volume 22, pages 72-111

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Published in Cryptogamie. Mycologie, in 1996, in volume 17, issue 1, pages 7-10

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Published in American Fern Journal, in 1985, in volume 75, pages 18

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Published in Rhodora, in 1971, in volume 73, issue 793, pages 72-159

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in 1859, pages 1-3

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Published in Torreya, in 1904, in volume 4, issue 4, pages 58-59

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