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Published in Journal of The Arnold Arboretum, in 1943, in volume 24, issue 2, pages 190-206
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Published in Botanical Gazette, in 1886, in volume 11, issue 6, pages 129-134
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Published in Annals of the Missouri Botanical Garden, in 1986, in volume 73, pages 491-494
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Published in Bulletin of Zoological Nomenclature, in 1977, in volume 33, pages 170-171
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Published in Biol Bull, in 1940, in volume 79, pages 145-152
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Published in Biol Bull, in 1948, in volume 95, pages 169-185
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