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Published in Botanical Gazette, in 1892, in volume 17, issue 10, pages 330
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Published in Bulletin of The British Ornithologists' Club, in 2010, in volume 130, issue 2, pages 145-147
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Published in Rhodora, in 1938, in volume 40, issue 476, pages 281-323
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Published in Entomological News, in 1979, in volume 90, pages 110-113
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Published in Bulletin of the British Ornithologists' Club, in 2016, in volume 136, issue 2, pages 101-128
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Published in Phytologia, in 1970, in volume 19, issue 5, pages 311-312
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Published in Rhodora, in 1956, in volume 58, issue 687, pages 72
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Published in Rhodora, in 1956, in volume 58, issue 687, pages 73-76
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