Published in Rhodora, in 1957, in volume 59, issue 700, pages 100
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Published in Madroño, in 1941, in volume 6, issue 3, pages 87-89
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Published in Madroño, in 1943, in volume 7, issue 3, pages 77-82
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Published in Madroño, in 1945, in volume 8, issue 3, pages 97-99
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Published in Madroño, in 1951, in volume 11, issue 3, pages 145-146
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Published in Rhodora, in 1943, in volume 45, pages 262-264
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Published in Rhodora, in 1955, in volume 57, issue 673, pages 36
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Published in Madroño, in 1943, in volume 7, issue 3, pages 83
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Published in Madroño, in 1951, in volume 11, issue 4, pages 186-187
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Published in Sida, Contributions To Botany, in 1963, in volume 1, issue 3, pages 109-116
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Published in Madroño, in 1970, in volume 20, issue 5, pages 255-256
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Published in Rhodora, in 1945, in volume 47, pages 182-184
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Published in Rhodora, in 1947, in volume 49, pages 69-79
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Published in Annals of the Missouri Botanical Garden, in 1975, in volume 62, pages 517-520
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Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 4, pages 435-471
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Published in Rhodora, in 1956, in volume 58, issue 685, pages 23-24
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Published in Madroño, in 1969, in volume 20, issue 2, pages 77-78
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Published in Rhodora, in 1945, in volume 47, pages 396-403
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Published in Rhodora, in 1946, in volume 48, pages 116-125
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Published in Rhodora, in 1974, in volume 76, issue 805, pages 48-50
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Published in Annals of the Missouri Botanical Garden, in 1984, in volume 71, pages 780-782
Created: 2010-01-08, modified: 2015-12-16
Notes on the Compositae of the northeastern United States. VI. Cichorieae, Eupatorieae, and Astereae
Published in Rhodora, in 1948, in volume 50, pages 28-35
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Published in Annals of the Missouri Botanical Garden, in 1965, in volume 52, pages 281-303
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Published in Madroño, in 1995, in volume 42, issue 1, pages 85-87
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Published in Madroño, in 1961, in volume 16, issue 2, pages 74-76
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Published in Madroño, in 1973, in volume 22, issue 3, pages 156-157
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Published in Madroño, in 1985, in volume 32, issue 1, pages 58-59
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Published in Madroño, in 1974, in volume 22, issue 8, pages 405-406
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Published in Madroño, in 1969, in volume 20, issue 4, pages 238-239
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Published in Rhodora, in 2004, in volume 106, issue 926, pages 185-187
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Published in Madroño, in 1984, in volume 31, issue 4, pages 258
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Published in Rhodora, in 1971, in volume 73, issue 796, pages 558-559
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Published in Rhodora, in 1998, in volume 100, issue 903, pages 319-321
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Published in Journal of the Arnold Arboretum, in 1944, in volume 25, pages 122-128
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Published in American Fern Journal, in 1970, in volume 60, pages 34-38
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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 A, in 1888, pages 1
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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 A, in 1893, pages 1
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Published in Rhodora, in 1961, in volume 63, issue 745, pages 29-30
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Published in Torreya, in 1922, in volume 22, issue 2, pages 30-31
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Published in Torreya, in 1912, in volume 12, issue 2, pages 33-34
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Published in Torreya, in 1905, in volume 5, issue 9, pages 157-160
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Published in Rhodora, in 1943, in volume 45, issue 534, pages 217-220
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Published in Rhodora, in 1946, in volume 48, issue 573, pages 263-264
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Published in Rhodora, in 2003, in volume 105, issue 924, pages 407-409
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Published in Botanical Gazette, in 1887, in volume 12, issue 11, pages 265-268
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Published in Torreya, in 1945, in volume 44, issue 3, pages 74-75
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Published in Torreya, in 1930, in volume 30, issue 5, pages 117-129
Created: 2022-12-14, modified: 2022-12-14
Published in Memoirs of the Queensland Museum, in 1997, in volume 42, issue 1, pages 327-336
Created: 2012-11-16, modified: 2012-11-16