Published in Contributions in Science, in 1968, in volume 140, pages 1-11

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Published in Texas Tech University Museum Special Publications, in 2007, in volume 52, pages 1-60

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Published in Occasional Papers Museum of Texas Tech University, in 1997, in volume 173, pages 1-19

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Published in Occasional Papers Museum of Texas Tech University, in 2006, in volume 258, pages 1-5

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Published in Occasional Papers Museum of Texas Tech University, in 2006, in volume 248, pages 1-7

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Published in Occasional Papers Museum of Texas Tech University, in 2015, in volume 335, pages 1-26

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Published in Torreya, in 1938, in volume 38, issue 6, pages 159-163

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Published in Occasional Papers Museum of Texas Tech University, in 2003, in volume 229, pages 1-23

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Published in Occasional Papers Museum of Texas Tech University, in 2006, in volume 252, pages 1-3

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1882, pages 1-4

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Published in PHYTOLOGIA, in 1965, in volume 12, issue 7, pages 414-426

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Published in Torreya, in 1939, in volume 39, issue 2, pages 47-55

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Published in Torreya, in 1939, in volume 39, issue 1, pages 25-26

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Published in Torreya, in 1938, in volume 38, issue 4, pages 106-108

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Published in Torreya, in 1940, in volume 40, issue 2, pages 56-62

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Published in Torreya, in 1940, in volume 40, issue 1, pages 27-28

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Published in Torreya, in 1939, in volume 39, issue 3, pages 87-91

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Published in Torreya, in 1938, in volume 38, issue 3, pages 75-76

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Published in Torreya, in 1940, in volume 40, issue 3, pages 91-101

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Published in Torreya, in 1939, in volume 39, issue 6, pages 183-187

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Published in Occasional Papers Museum of Texas Tech University, in 1988, in volume 119, pages 1-26

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Published in Phytologia, in 1991, in volume 71, pages 387-389

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Published in Phytologia, in 1990, in volume 69, pages 47-50

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Published in Occasional Papers Museum of Texas Tech University, in 2014, in volume 327, pages 1-27

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Published in Occasional Papers Museum of Texas Tech University, in 1998, in volume 187, pages 1-4

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Published in The Wilson Bulletin, in 1938, in volume 50, issue 4, pages 225-238

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Published in Phytologia, in 1990, in volume 69, pages 346-347

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1891, pages 1-2

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Published in Occasional Papers Museum of Texas Tech University, in 1998, in volume 174, pages 1-20

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Published in Phytologia, in 1970, in volume 19, issue 5, pages 311-312

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Published in Occasional Papers Museum of Texas Tech University, in 2000, in volume 200, pages 1-8

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Published in Phytologia, in 1995, in volume 78, pages 244-245

Created: 2011-01-26, modified: 2016-05-05