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Published in Pacific Science, in 1950, in volume 4, issue 4, pages 323-335

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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1907, in volume 59, pages 514-559

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Published in Entomologica Americana, in 1930, in volume 15, pages 59-90

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Published in Asa Gray correspondence. Senders A, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, pages 1-6

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders Br-Bz, pages 1-0

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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), pages 1

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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), pages 1-4

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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), pages 1-5

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Published in Asa Gray correspondence. Senders Br-Bz, pages 1-2

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Published in Allen Hirum Curtiss letters to Asa Gray, 1867-1889, pages 1-8

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1

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Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1881, pages 1-2

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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1888, pages 1-4

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Published in Botanical Gazette, in 1892, in volume 17, issue 5, pages 137-141

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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1890, pages 1

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Published in The Auk, in 1916, in volume 33, pages 83-84

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Published in Rhodora, in 1972, in volume 74, issue 800, pages 525

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Published in Botanical Gazette, in 1882, in volume 7, issue 8/9, pages 101-102

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Published in Botanical Gazette, in 1890, in volume 15, issue 10, pages 241-242

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Published in Entomological News, in 1913, in volume 24, pages 145-148

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in 1879, pages 1-3

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Published in Memoirs of the Queensland Museum, in 1936, in volume 11, pages 52

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Published in The Nautilus, in 1960, in volume 73, issue 4, pages 158-159

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Published in Botanical Gazette, in 1879, in volume 4, issue 9, pages 211-212

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Published in Botanical Gazette, in 1881, in volume 6, issue 2, pages 173-175

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Published in The Auk, in 1910, in volume 27, pages 459-460

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in 1889, pages 1

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in 1889, pages 1

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in 1890, pages 1

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in 1891, pages 1-2

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in 1891, pages 1-2

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in 1888, pages 1-2

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in 1878, pages 1-3

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in 1884, pages 1-2

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in 1884, pages 1-2

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in 1891, pages 1-2

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Published in Palaeontology, in 1963, in volume 6, issue 3, pages 540-553

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Published in Psyche: A Journal of Entomology, in 1903, in volume 10, issue 321, pages 15-18

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Published in Botanical Gazette, in 1879, in volume 4, issue 8, pages 198-199

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Published in Pacific Science, in 1961, in volume 15, issue 4, pages 591-593

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Published in Madroño, in 1938, in volume 4, issue 6, pages 171-176

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