Published in Arachnologische Mitteilungen, in 1992, in volume 3, pages 58-61

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Published in Madroño, in 1942, in volume 6, issue 8, pages 260-265

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Published in Asa Gray correspondence. Senders Be-Bo, in 1844, pages 1-2

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Published in The Auk, in 1912, in volume 29, pages 262-263

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Published in Asa Gray correspondence. Senders A, in 1890, pages 1

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Published in Asa Gray correspondence. Senders K, 1842-1891 (inclusive), in 1877, pages 1-2

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Published in Asa Gray correspondence. Senders K, 1842-1891 (inclusive), in 1877, pages 1

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Published in The Auk, in 1917, in volume 34, pages 506-507

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Published in Rhodora, in 1937, in volume 39, issue 464, pages 277-280

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Published in Botanical Gazette, in 1890, in volume 15, issue 1, pages 24

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Published in The Auk, in 1894, in volume 11, pages 184-185

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Published in The Auk, in 1919, in volume 36, pages 372-380

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Published in Nautilis, in 1918, in volume 31, pages 137-139

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Published in Rhodora, in 1905, in volume 7, issue 84, pages 269

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Published in Rhodora, in 1920, in volume 22, issue 261, pages 145-146

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Published in Rhodora, in 1931, in volume 33, issue 385, pages 1-18

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Published in Botanical Gazette, in 1878, in volume 3, issue 8, pages 68-70

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Published in Botanical Gazette, in 1918, in volume 65, issue 2, pages 196

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Published in Torreya, in 1902, in volume 2, issue 2, pages 20-21

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Published in Torreya, in 1902, in volume 2, issue 11, pages 173-175

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Published in Torreya, in 1903, in volume 3, issue 1, pages 5-6

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Published in Torreya, in 1902, in volume 2, issue 8, pages 113-117

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Published in Torreya, in 1902, in volume 2, issue 12, pages 177-180

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Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1889, pages 1-3

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Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1891, pages 1

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Published in Rhodora, in 1916, in volume 18, issue 206, pages 50-51

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Published in Rhodora, in 1924, in volume 26, issue 310, pages 199

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Published in Rhodora, in 1915, in volume 17, issue 199, pages 138-141

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Published in Rhodora, in 1923, in volume 25, issue 293, pages 84

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Published in Rhodora, in 1918, in volume 20, issue 236, pages 133-137

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Published in Rhodora, in 1937, in volume 39, issue 465, pages 366

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Published in Rhodora, in 1938, in volume 40, issue 474, pages 221-241

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Published in Rhodora, in 1949, in volume 51, issue 603, pages 60

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Published in Botanical Gazette, in 1881, in volume 6, issue 2, pages 175-177

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Published in Botanical Gazette, in 1919, in volume 67, issue 4, pages 366-368

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Published in Entomologist's Monthly Magazine, in 1874, in volume 11, pages 140-141

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Published in Torreya, in 1920, in volume 20, issue 5, pages 104-106

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Published in Torreya, in 1920, in volume 20, issue 4, pages 89-90

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Published in Torreya, in 1919, in volume 19, issue 2, pages 30-32

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Published in Torreya, in 1920, in volume 20, issue 1, pages 10-11

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Published in Cryptogamie. Mycologie, in 1997, in volume 18, issue 3, pages 173-181

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Published in Cistula entomologica, in 1874, in volume 1, issue 10, pages 279-283

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Published in Bulletin of the British Museum (Natural History). Geology., in 1976, in volume 27, issue 3, pages 149-268

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Published in The Auk, in 1891, in volume 8, pages 227-228

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Published in The Auk, in 1902, in volume 19, pages 292-293

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Published in The Auk, in 1910, in volume 27, pages 460-461

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Published in The Auk, in 1903, in volume 20, pages 236

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Published in The Auk, in 1918, in volume 35, pages 86-89

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Published in Phytologia, in 1969, in volume 18, issue 6, pages 339

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Published in Rhodora, in 1902, in volume 4, issue 37, pages 3-5

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