Published in Madroño, in 1989, in volume 36, issue 3, pages 169-174

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Published in Rhodora, in 2002, in volume 104, issue 917, pages 96-99

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Published in Rhodora, in 2001, in volume 103, issue 916, pages 405-415

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Published in Rhodora, in 1997, in volume 99, issue 900, pages 287-301

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Published in Proceedings of The American Philosophical Society, in 1863, in volume 9, issue 70, pages 401-403

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

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Published in The Naturalist's Miscellany, in 1797, in volume 8, issue LXXXIX

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1846, pages 1-3

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1848, pages 1-3

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1884, pages 1-2

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Published in Asa Gray correspondence. Senders Br-Bz, in 1843, pages 1-3

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Published in Asa Gray correspondence. Senders Br-Bz, in 1843, pages 1-3

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Published in Asa Gray correspondence. Senders Br-Bz, in 1858, pages 1-3

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Published in Asa Gray correspondence. Senders Br-Bz, in 1858, pages 1-2

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Published in Asa Gray correspondence. Senders Br-Bz, in 1859, pages 1-8

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Published in Asa Gray correspondence. Senders Br-Bz, in 1859, pages 1-2

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Published in Asa Gray correspondence. Senders Br-Bz, in 1862, pages 1-2

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Published in Asa Gray correspondence. Senders Br-Bz, in 1862, pages 1-2

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Published in Asa Gray correspondence. Senders Br-Bz, in 1862, pages 1-2

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Published in Asa Gray correspondence. Senders Br-Bz, in 1858, pages 1-2

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Published in Asa Gray correspondence. Senders Br-Bz, in 1858, pages 1-2

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Published in Asa Gray correspondence. Senders Br-Bz, in 1862, pages 1-2

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Published in Asa Gray correspondence. Senders Br-Bz, in 1862, pages 1-2

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Published in Asa Gray correspondence. Senders Br-Bz, in 1856, pages 1

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Published in Asa Gray correspondence. Senders Br-Bz, in 1856, pages 1

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Published in Copeia, in 1916, in volume 34, pages 63-64

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Published in Asa Gray correspondence. Senders Ca-Cl, pages 1-3

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1884, pages 1

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Published in Sitzungsberichte der Akademie der Wissenschaften mathematisch-naturwissenschaftliche Klasse, in 1917, in volume 126, pages 421-444

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Published in Nuytsia, in 2018, in volume 29, pages 217-227

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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1846, pages 1

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Published in John Carey letters to Asa Gray, 1837-2183, in 1854, pages 1-2

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1884, pages 1

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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1842, pages 1-3

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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1857, pages 1-2

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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-0

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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1

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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1886, pages 1

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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-0

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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-0

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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-0

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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-0

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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1887, pages 1-0

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