Published in Rhodora, in 1920, in volume 22, issue 261, pages 145-146
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/10042289,60,60)
Published in The Wilson Bulletin, in 1899, in volume 11, issue 4, pages 54-55
Created: 2016-11-27, modified: 2016-11-27![](https://www.biodiversitylibrary.org/pagethumb/10042292,60,60)
Published in The Wilson Bulletin, in 1899, in volume 11, issue 4, pages 57-58
Created: 2016-11-27, modified: 2016-11-27![](https://www.biodiversitylibrary.org/pagethumb/6898745,60,60)
Published in Proceedings of The American Philosophical Society, in 1885, in volume 22, issue 120, pages 375-376
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/693509,60,60)
Published in Rhodora, in 1914, in volume 16, issue 189, pages 166
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/566156,60,60)
Published in Rhodora, in 1911, in volume 13, issue 148, pages 76
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/569324,60,60)
Published in Rhodora, in 1917, in volume 19, issue 220, pages 61-69
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/4312216,60,60)
Published in Breviora, in 1963, in volume 187, pages 1-13
Created: 2023-11-22, modified: 2023-11-22![](https://www.biodiversitylibrary.org/pagethumb/1445102,60,60)
Published in Biol Bull, in 1937, in volume 72, pages 377-383
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/566293,60,60)
Published in Rhodora, in 1911, in volume 13, pages 207-208
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/39690931,60,60)
Published in Jour Washington Acad Sci, in 1938, in volume 28, pages 178-182
Created: 2014-01-30, modified: 2014-01-30![](https://www.biodiversitylibrary.org/pagethumb/566088,60,60)
Published in Rhodora, in 1911, in volume 13, issue 145, pages 9-10
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/30238382,60,60)
Published in Botanical Gazette, in 1908, in volume 45, issue 2, pages 135-136
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/562352,60,60)
Published in Rhodora, in 1904, in volume 6, issue 64, pages 65-71
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/39690796,60,60)
Published in Jour Washington Acad Sci, in 1938, in volume 28, pages 51-55
Created: 2014-01-30, modified: 2014-01-30![](https://www.biodiversitylibrary.org/pagethumb/599841,60,60)
Published in Rhodora, in 1927, in volume 29, pages 158-160
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/31430495,60,60)
Published in Proceedings of The American Philosophical Society, in 1880, in volume 19, issue 107, pages 203-209
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/10042275,60,60)
Published in The Wilson Bulletin, in 1899, in volume 11, issue 4, pages 40
Created: 2016-11-27, modified: 2016-11-27![](https://www.biodiversitylibrary.org/pagethumb/47857185,60,60)
Published in Madroño, in 1949, in volume 10, issue 2, pages 51-55
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/39917207,60,60)
Published in Jour Washington Acad Sci, in 1933, in volume 23, pages 137-138
Created: 2014-01-30, modified: 2014-01-30![](https://www.biodiversitylibrary.org/pagethumb/39690581,60,60)
Published in Jour Washington Acad Sci, in 1943, in volume 33, pages 316-317
Created: 2014-01-30, modified: 2014-01-30![](https://www.biodiversitylibrary.org/pagethumb/31205063,60,60)
Published in Proceedings of The American Philosophical Society, in 1869, in volume 11, issue 81, pages 202-203
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/31205644,60,60)
Published in Proceedings of The American Philosophical Society, in 1874, in volume 14, issue 92, pages 141-147
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/31205662,60,60)
Published in Proceedings of The American Philosophical Society, in 1874, in volume 14, issue 92, pages 159-161
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/31205857,60,60)
Published in Proceedings of The American Philosophical Society, in 1875, in volume 14, issue 94, pages 344-346
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/7337126,60,60)
Published in Proceedings of The American Philosophical Society, in 1878, in volume 18, issue 102, pages 34-36
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/26878002,60,60)
Published in Proceedings of The American Philosophical Society, in 1879, in volume 18, issue 103, pages 224-232
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/31430558,60,60)
Published in Proceedings of The American Philosophical Society, in 1881, in volume 19, issue 108, pages 262-274
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/605400,60,60)
Published in Rhodora, in 1937, in volume 39, issue 459, pages 100
Created: 2016-07-19, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/10042290,60,60)
Published in The Wilson Bulletin, in 1899, in volume 11, issue 4, pages 55-56
Created: 2016-11-27, modified: 2016-11-27![](https://www.biodiversitylibrary.org/pagethumb/35137983,60,60)
Published in Botanical Gazette, in 1916, in volume 61, issue 4, pages 340-343
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/39871732,60,60)
Published in Jour Washington Acad Sci, in 1935, in volume 25, pages 187-190
Created: 2014-01-30, modified: 2014-01-30![](https://www.biodiversitylibrary.org/pagethumb/39697460,60,60)
Published in Jour Washington Acad Sci, in 1952, in volume 42, pages 122-124
Created: 2014-01-30, modified: 2014-01-30![](https://www.biodiversitylibrary.org/pagethumb/31204894,60,60)
Published in Proceedings of The American Philosophical Society, in 1869, in volume 11, issue 81, pages 17-22
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/34968521,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 123
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/31430877,60,60)
Published in Proceedings of The American Philosophical Society, in 1881, in volume 19, issue 109, pages 567-612
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/26892267,60,60)
Published in Proceedings of The American Philosophical Society, in 1882, in volume 20, issue 111, pages 237-283
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/36261720,60,60)
Published in Proceedings of The American Philosophical Society, in 1883, in volume 21, issue 114, pages 120-134
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/26901063,60,60)
Published in Proceedings of The American Philosophical Society, in 1878, in volume 17, issue 101, pages 701-704
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/563642,60,60)
Published in Rhodora, in 1908, in volume 10, issue 119, pages 207-208
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/30821977,60,60)
Published in American Fern Journal, in 1915, in volume 5, pages 79-83
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/47877839,60,60)
Published in Madroño, in 1946, in volume 8, issue 6, pages 187-189
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/39913814,60,60)
Published in Journal of The Washington Academy of Sciences, in 1927, in volume 17, issue 6, pages 142-147
Created: 2015-03-16, modified: 2015-03-16![](https://www.biodiversitylibrary.org/pagethumb/39701713,60,60)
Published in Jour Washington Acad Sci, in 1937, in volume 27, pages 143-146
Created: 2014-01-30, modified: 2014-01-30![](https://www.biodiversitylibrary.org/pagethumb/6666628,60,60)
Published in Proceedings of The American Philosophical Society, in 1860, in volume 7, issue 63, pages 177-291
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/31205188,60,60)
Published in Proceedings of The American Philosophical Society, in 1869, in volume 11, issue 81, pages 313
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/34968810,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 406-407
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/34968922,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 518-522
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/7046098,60,60)
Published in Proceedings of The American Philosophical Society, in 1873, in volume 13, issue 81, pages 143-145
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/31205614,60,60)
Published in Proceedings of The American Philosophical Society, in 1874, in volume 14, issue 92, pages 111-113
Created: 2017-01-01, modified: 2017-01-01