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Published in Texas Tech University Museum Special Publications, in 2005, in volume 48, pages 1-155

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Published in Proceedings of The Biological Society of Washington, in 1967, in volume 80, pages 203-206

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Published in Occasional Papers Museum of Texas Tech University, in 2007, in volume 270, pages 1-12

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Published in Annals of the Carnegie Museum, in 1981, in volume 50, pages 493-513

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Published in Annals of the Carnegie Museum, in 1981, in volume 50, pages 319-332

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Published in Proceedings of The Biological Society of Washington, in 1967, in volume 80, pages 207-210

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Published in Occasional Papers Museum of Texas Tech University, in 1982, in volume 80, pages 1-22

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Published in Occasional Papers Museum of Texas Tech University, in 1981, in volume 72, pages 1-27

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Published in Sida, Contributions To Botany, in 1965, in volume 2, issue 2, pages 129-153

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Published in Rhodora, in 1960, in volume 62, issue 739, pages 199-201

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Published in Madroño, in 1956, in volume 13, issue 6, pages 177-189

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Published in Annals of the Missouri Botanical Garden, in 1972, in volume 59, pages 474

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Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 681-685

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Published in Journal of The Botanical Research Institute of Texas, in 2008, in volume 2, issue 1, pages 75-93

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Published in Proceedings of The Biological Society of Washington, in 1968, in volume 81, pages 97-100

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Published in Rhodora, in 1954, in volume 56, issue 664, pages 65-70

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Published in The Flowering Plants of Africa, in 1948, in volume 27, pages 1-2

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Published in The Coleopterists Bulletin, in 1950, in volume 4, issue 3, pages 44-46

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Published in The Coleopterists Bulletin, in 1958, in volume 12, issue 3/4, pages 58

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Published in The Coleopterists Bulletin, in 1949, in volume 3, issue 4, pages 63-64

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Published in Journal of The Botanical Research Institute of Texas, in 2010, in volume 4, issue 1, pages 93-115

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