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Created: 2011-05-06, modified: 2011-06-21

Published in Proceedings of the Biological Society of Washington, in 1982, in volume 95, pages 788-792

Created: 2011-05-28, modified: 2011-06-21

Published in Proceedings of the Biological Society of Washington, in 1985, in volume 98, pages 1030-1034

Created: 2011-05-06, modified: 2011-06-21

Published in Proceedings of the Biological Society of Washington, in 1982, in volume 95, pages 188-193

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Published in Proceedings of the Biological Society of Washington, in 1987, in volume 100, pages 89-103

Created: 2011-05-06, modified: 2011-06-21

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Published in Proceedings of the Biological Society of Washington, in 1985, in volume 98, pages 1054-1061

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Published in Proceedings of the Biological Society of Washington, in 1990, in volume 103, pages 525-542

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Published in Proceedings of the Biological Society of Washington, in 1986, in volume 99, pages 328-334

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Published in Proceedings of the Biological Society of Washington, in 1990, in volume 103, pages 516-524

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Published in Proceedings of the Biological Society of Washington, in 1980, in volume 93, pages 75-82

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Published in Proceedings of the Biological Society of Washington, in 1981, in volume 94, pages 1076-1084

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Published in Proceedings of The Biological Society of Washington, in 1987, in volume 100, pages 603-609

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Published in The Wilson Bulletin, in 1952, in volume 64, issue 2, pages 67-68

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Published in Proceedings of The Biological Society of Washington, in 1987, in volume 100, pages 640-652

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Published in Stuttgarter Beiträge zur Naturkunde Serie A (Biologie), in 1998, in volume 576, pages 1-8

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Published in Phytologia, in 1967, in volume 15, issue 1, pages 53

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Published in Journal of The Adelaide Botanic Garden, in 1980, in volume 2, issue 2, pages 195-220

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