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Published in Palaeontology, in 1984, in volume 27, issue 2, pages 415-420

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Published in Botanical Gazette, in 1918, in volume 65, issue 3, pages 201-226

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Published in The Wilson Bulletin, in 1912, in volume 24, issue 4, pages 197

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Published in The Wilson Bulletin, in 2004, in volume 116, issue 1, pages 48-55

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Published in Carnivorous plant newsletter, in 2005, in volume 34, issue 4, pages 106-110

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Published in Carnivorous plant newsletter, in 2014, in volume 43, issue 3, pages 100-102

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Published in Madroño, in 1999, in volume 46, issue 1, pages 13-19

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Published in Phytologia, in 1971, in volume 22, pages 223-224

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Published in Entomologist's Monthly Magazine, in 1895, in volume 31, pages 260-263

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Published in Entomologists Monthly Magazine, in 1919, in volume 55, pages 143-151

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