Published in Annals of the Missouri Botanical Garden, in 1944, in volume 31, pages 373-413
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/16163930,60,60)
Published in Annals of the Missouri Botanical Garden, in 1939, in volume 26, pages 325-348
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/47857465,60,60)
Published in Madroño, in 1950, in volume 10, issue 8, pages 250-251
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/16047529,60,60)
Published in Annals of the Missouri Botanical Garden, in 1937, in volume 24, pages 161-174
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/619613,60,60)
Published in Rhodora, in 1953, in volume 55, issue 651, pages 61-62
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/53112916,60,60)
in 1888, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/619964,60,60)
Published in Rhodora, in 1954, in volume 56, issue 661, pages 7-21
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/2693439,60,60)
Published in Entomological News, in 1980, in volume 91, pages 63-64
Created: 2011-06-10, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/47825851,60,60)
Published in Madroño, in 1948, in volume 9, issue 8, pages 233-238
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/35187244,60,60)
Published in Botanical Gazette, in 1918, in volume 65, issue 1, pages 103-108
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/646768,60,60)
Published in Bulletin of the Torrey Botanical Club, in 1877, in volume 6, pages 135
Created: 2017-10-18, modified: 2017-10-18![](https://www.biodiversitylibrary.org/pagethumb/47877743,60,60)
Published in Madroño, in 1945, in volume 8, issue 3, pages 103-104
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/47861535,60,60)
Published in Madroño, in 1951, in volume 11, issue 1, pages 22-24
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/615810,60,60)
Published in Rhodora, in 1945, in volume 47, issue 555, pages 65-68
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/16163357,60,60)
Published in Annals of the Missouri Botanical Garden, in 1940, in volume 27, pages 371-560
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/13159860,60,60)
Published in Phytologia, in 1981, in volume 50, pages 317-326.
Created: 2011-01-27, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/48855244,60,60)
Published in Mycologia, in 1913, in volume 5, issue 2, pages 67-71
Created: 2017-10-18, modified: 2017-10-18![](https://www.biodiversitylibrary.org/pagethumb/5169634,60,60)
Published in Botanical Gazette, in 1879, in volume 4, issue 9, pages 208-209
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/47876492,60,60)
Published in Madroño, in 1941, in volume 6, issue 1, pages 13-15
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/32130669,60,60)
Published in Torreya, in 1928, in volume 28, issue 3, pages 53-57
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/619221,60,60)
Published in Rhodora, in 1952, in volume 54, issue 638, pages 29-35
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/32225648,60,60)
Published in American Fern Journal, in 1985, in volume 75, pages 71
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/9310036,60,60)
Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 4, pages 1662
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/603923,60,60)
Published in Rhodora, in 1934, in volume 36, issue 430, pages 376
Created: 2016-07-19, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/9309304,60,60)
Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 944
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9309312,60,60)
Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 952
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/5173836,60,60)
Published in Botanical Gazette, in 1881, in volume 6, issue 10, pages 274-279
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/32129815,60,60)
Published in Torreya, in 1932, in volume 32, issue 6, pages 147-153
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/47865675,60,60)
Published in Madroño, in 1973, in volume 22, issue 1, pages 10-24
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/16164227,60,60)
Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 187-259
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/6716231,60,60)
Published in Rhodora, in 1984, in volume 86, issue 846, pages 151-231
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/47941772,60,60)
Published in Madroño, in 1977, in volume 24, issue 1, pages 24-29
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/50926490,60,60)
Published in Psyche: A Journal of Entomology, in 1976, in volume 83, issue 1, pages 79-93
Created: 2016-06-27, modified: 2016-06-27![](https://www.biodiversitylibrary.org/pagethumb/47993242,60,60)
Published in Madroño, in 1939, in volume 5, issue 2, pages 75-77
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/564163,60,60)
Published in Rhodora, in 1899, in volume 1, issue 10, pages 186-187
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/9557712,60,60)
Published in Journal of Mycology, in 1908, in volume 14, issue 1, pages 1-3
Created: 2017-10-18, modified: 2017-10-18![](https://www.biodiversitylibrary.org/pagethumb/32084828,60,60)
Published in American Fern Journal, in 1999, in volume 89, pages 215-216
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32130544,60,60)
Published in Torreya, in 1917, in volume 17, issue 11, pages 202-206
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/626617,60,60)
Published in Rhodora, in 1959, in volume 61, issue 723, pages 70-72
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/628384,60,60)
Published in Rhodora, in 1963, in volume 65, issue 764, pages 339-354
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/607211,60,60)
Published in Rhodora, in 1940, in volume 42, issue 495, pages 57-83
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/607370,60,60)
Published in Rhodora, in 1940, in volume 42, issue 498, pages 203-213
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/9309736,60,60)
Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 4, pages 1362
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/30817129,60,60)
Published in American Fern Journal, in 1917, in volume 7, pages 63-66
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/9307998,60,60)
Published in Sida, Contributions To Botany, in 2001, in volume 19, issue 4, pages 898
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9309402,60,60)
Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 1042
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9310782,60,60)
Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 2, pages 552
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9181618,60,60)
Published in Sida, Contributions To Botany, in 2006, in volume 22, issue 1, pages 196
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/49721523,60,60)
Published in Palaeontology, in 1980, in volume 23, issue 3, pages 657-666
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/32150260,60,60)
Published in American Fern Journal, in 2001, in volume 91, pages 36-37
Created: 2017-04-23, modified: 2017-04-23