Published in Annals of the Missouri Botanical Garden, in 1924, in volume 11, pages 43-97

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Published in Rhodora, in 1903, in volume 5, issue 57, pages 219-220

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Published in Torreya, in 1926, in volume 26, issue 5, pages 99-100

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Published in Emu, in 1922, in volume 22, pages 68-69

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Published in Rhodora, in 1928, in volume 30, issue 359, pages 226-228

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Published in Rhodora, in 1926, in volume 28, issue 3, pages 40-42

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Published in Cryptogamie. Algologie, in 1982, in volume 3, issue 1, pages 81

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Published in Rhodora, in 1903, in volume 5, issue 53, pages 121-123

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Published in Rhodora, in 1909, in volume 11, issue 122, pages 23-26

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Published in Rhodora, in 1908, in volume 10, issue 109, pages 1-9

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Published in Rhodora, in 1919, in volume 21, issue 251, pages 203-207

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Published in Rhodora, in 1935, in volume 37, issue 433, pages 19

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Published in Botanical Gazette, in 1897, in volume 24, issue 1, pages 58-59

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Published in Rhodora, in 1942, in volume 44, issue 522, pages 213-220

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Published in Rhodora, in 1972, in volume 74, pages 287-290

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Published in Rhodora, in 1952, in volume 54, issue 648, pages 306-307

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Published in Phytologia, in 1977, in volume 38, issue 1, pages 66-68

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Published in Rhodora, in 1906, in volume 8, issue 92, pages 157-161

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Published in Rhodora, in 1907, in volume 9, issue 106, pages 197-202

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Published in Rhodora, in 1909, in volume 11, issue 130, pages 196-197

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Published in Rhodora, in 1908, in volume 10, issue 117, pages 155-164

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Published in Rhodora, in 1915, in volume 17, issue 193, pages 28-29

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Published in Rhodora, in 1917, in volume 19, issue 218, pages 38

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Published in Rhodora, in 1933, in volume 35, issue 414, pages 226

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Published in Rhodora, in 1956, in volume 58, issue 686, pages 35-38

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Published in Torreya, in 1904, in volume 4, issue 1, pages 11-15

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Published in Torreya, in 1903, in volume 3, issue 12, pages 189-192

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Published in Torreya, in 1904, in volume 4, issue 2, pages 30-31

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Published in Torreya, in 1903, in volume 3, issue 11, pages 174-176

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Published in Torreya, in 1903, in volume 3, issue 3, pages 44-47

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Published in Torreya, in 1904, in volume 4, issue 3, pages 44-47

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Published in Palaeontology, in 1978, in volume 21, issue 4, pages 957-981

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Published in Entomological News, in 1996, in volume 107, pages 186-192

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Published in Asa Gray correspondence. Senders A, pages 1

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Published in Asa Gray correspondence. Senders A, pages 1

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