Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1889, in volume 41, pages 188-189

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Published in Rhodora, in 1912, in volume 14, issue 159, pages 53-54

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Published in Kirtlandia, in 2006, in volume 55, pages 1-42

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Published in Phytologia, in 2008, in volume 90, issue 2, pages 123-133

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Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1889, in volume 41, pages 156-158

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Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1889, in volume 41, issue 2, pages 280-281

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Published in Ibis, in 1900, in volume 6, issue 4, pages 573-606

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Published in Proceedings of The Zoological Society of London, in 1913, in volume 1913, pages 855-860

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Published in The Auk, in 1889, in volume 6, pages 72-74

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Published in Journal of The Royal Society of Western Australia, in 2014, in volume 97, issue 1, pages 97-109

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Published in Notes From The Leyden Museum, in 1880, in volume 2, issue 3, pages 197

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Published in Notes From The Leyden Museum, in 1880, in volume 2, issue 3, pages 198

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Published in Proceedings of The Biological Society of Washington, in 2000, in volume 113, pages 356-368

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Published in PHYTOLOGIA, in 1941, in volume 2, issue 2, pages 50-57

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Published in Madroño, in 1970, in volume 20, issue 7, pages 373-377

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Published in PHYTOLOGIA, in 1951, in volume 3, issue 9, pages 490

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Published in Phytologia, in 1958, in volume 6, issue 4, pages 232-241

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Published in Phytologia, in 1960, in volume 7, issue 4, pages 244-247

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Published in Rhodora, in 1923, in volume 25, issue 295, pages 101-105

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Published in Torreya, in 1940, in volume 40, issue 4, pages 120-124

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Published in Proceedings of The Biological Society of Washington, in 2001, in volume 114, pages 509-516

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Published in Copeia, in 1915, in volume 23, pages 48

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Published in The Auk, in 1913, in volume 30, pages 281-282

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Published in PHYTOLOGIA, in 1941, in volume 1, issue 15, pages 483-490

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Published in Phytologia, in 1969, in volume 18, issue 4, pages 209-211

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Published in Rhodora, in 1915, in volume 17, issue 198, pages 125-128

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Published in Rhodora, in 1918, in volume 20, issue 234, pages 111-114

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Published in Rhodora, in 1918, in volume 20, issue 229, pages 20

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Published in Rhodora, in 1921, in volume 23, issue 265, pages 25-26

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Published in Rhodora, in 1918, in volume 20, issue 239, pages 191-192

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Published in Rhodora, in 1943, in volume 45, issue 533, pages 214-215

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Published in The Wilson Bulletin, in 1914, in volume 26, issue 1, pages 36-37

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Published in Entomologische Zeitung Stettin, in 1878, in volume 39, pages 475-485

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Published in Entomologische Zeitung Stettin, in 1883, in volume 44, pages 370-372

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Published in Phytologia, in 1980, in volume 45, issue 5, pages 396-414

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Published in Rhodora, in 1960, in volume 62, issue 742, pages 294

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Published in Sida, Contributions To Botany, in 1995, in volume 16, issue 4, pages 698

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Published in Pacific Science, in 1960, in volume 14, issue 4, pages 313-336

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Published in Phytologia, in 1984, in volume 55, pages 308-342

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Published in Berliner entomologische Zeitschrift, in 1867, in volume 11, issue 3‐4, pages 278-282

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Published in Phytologia, in 1940, in volume 1, issue 14, pages 453-480

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Published in PHYTOLOGIA, in 1965, in volume 12, issue 7, pages 428-429

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Published in Phytologia, in 1969, in volume 18, issue 5, pages 294-295

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Published in Phytologia, in 1971, in volume 21, issue 5, pages 352

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Published in Phytologia, in 1972, in volume 24, issue 1, pages 19

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Published in Phytologia, in 1980, in volume 45, issue 1, pages 40-47

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Published in Phytologia, in 1980, in volume 45, issue 1, pages 47-62

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Published in Phytologia, in 1980, in volume 45, issue 4, pages 339-349

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Published in Phytologia, in 1980, in volume 46, issue 3, pages 180-190

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Published in Phytologia, in 1980, in volume 46, issue 3, pages 190-192

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