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Published in Botanical Gazette, in 1917, in volume 64, issue 2, pages 159-164

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Published in The Auk, in 1917, in volume 34, pages 219-220

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Published in Proceedings of the Entomological Society of Washington, in 1964, in volume 66, pages 101-102

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Published in Torreya, in 1903, in volume 3, issue 1, pages 3-4

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Published in Proc Ent Soc Washington, in 1943, in volume 45, pages 115-120

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Published in Rhodora, in 1920, in volume 22, issue 261, pages 156

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Published in The Auk, in 1918, in volume 35, pages 82

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Published in Rhodora, in 1914, in volume 16, issue 190, pages 183-184

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Published in Madroño, in 1940, in volume 5, issue 8, pages 241-246

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Published in Copeia, in 1917, in volume 46, pages 66-68

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Published in The Auk, in 1913, in volume 30, pages 505-511

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Published in Rhodora, in 1912, in volume 14, issue 159, pages 45-52

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Published in Rhodora, in 1919, in volume 21, issue 243, pages 68

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Published in Zoologica, in 1938, in volume 23, issue 6, pages 191-193

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Published in Botanical Gazette, in 1893, in volume 18, issue 10, pages 378-382

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Published in Botanical Gazette, in 1895, in volume 20, issue 6, pages 269-271

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Published in Biol Bull, in 1955, in volume 108, pages 346-358

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Published in American Fern Journal, in 1915, in volume 5, pages 108-113

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Published in Zoologica, in 1957, in volume 42, issue 9, pages 99-104

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Published in Proc. Biol. Soc. Wash., in 1918, in volume 31, pages 15-20

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Published in Torreya, in 1914, in volume 14, issue 4, pages 55-64

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Published in Ibis, in 1914, in volume 2, issue 2, pages 315-317

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Published in Copeia, in 1915, in volume 20, pages 24

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Published in Copeia, in 1915, in volume 19, pages 12-13

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Published in The Auk, in 1918, in volume 35, pages 492-493

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Published in Rhodora, in 1913, in volume 15, issue 179, pages 204

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Published in Rhodora, in 1912, in volume 14, issue 166, pages 207

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Published in Rhodora, in 1920, in volume 22, issue 260, pages 129-138

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Published in Bulletin du Musée D'histoire Naturelle, in 1906, in volume 12, issue 2, pages 120

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Published in Biol Bull, in 1955, in volume 108, pages 359-365

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Published in Biol Bull, in 1952, in volume 103, pages 269-276

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Published in Proceedings of The Biological Society of Washington, in 1934, in volume 47, pages 37-44

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Published in Zoologica New York, in 1928, in volume 8, pages 423-444

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Published in Torreya, in 1913, in volume 13, issue 5, pages 89-112

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Published in Torreya, in 1921, in volume 21, issue 3, pages 50-52

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Published in Torreya, in 1921, in volume 21, issue 4, pages 65-66

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Published in Torreya, in 1913, in volume 13, issue 9, pages 199-215

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Published in Torreya, in 1915, in volume 15, issue 8, pages 181-182

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Published in Copeia, in 1917, in volume 45, pages 59-60

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