Published in Rhodora, in 1960, in volume 62, issue 739, pages 201-203
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/659693,60,60)
Published in Rhodora, in 1975, in volume 77, issue 809, pages 44-52
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/627196,60,60)
Published in Rhodora, in 1960, in volume 62, issue 743, pages 295-319
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/12987324,60,60)
Published in Phytologia, in 1983, in volume 53, issue 6, pages 432-444
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/10010877,60,60)
Published in Sida, Contributions To Botany, in 1982, in volume 9, issue 3, pages 238-262
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9310513,60,60)
Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 1, pages 293-310
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/27281547,60,60)
Published in Annals of the Missouri Botanical Garden, in 1982, in volume 69, pages 415-417
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/10010760,60,60)
Published in Sida, Contributions To Botany, in 1981, in volume 9, issue 2, pages 124-134
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/27281544,60,60)
Published in Annals of the Missouri Botanical Garden, in 1982, in volume 69, pages 412-414
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/9301249,60,60)
Published in Sida, Contributions To Botany, in 1991, in volume 14, issue 3, pages 391-398
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/626448,60,60)
Published in Rhodora, in 1958, in volume 60, issue 717, pages 256-258
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/10007354,60,60)
Published in Sida, Contributions To Botany, in 1966, in volume 2, issue 4, pages 285-332
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/10009181,60,60)
Published in Sida, Contributions To Botany, in 1976, in volume 6, issue 4, pages 243-265
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/27279064,60,60)
Published in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 661-664
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/27279068,60,60)
Published in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 665-669
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/10007243,60,60)
Published in Sida, Contributions To Botany, in 1966, in volume 2, issue 3, pages 177-260
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/10009868,60,60)
Published in Sida, Contributions To Botany, in 1977, in volume 7, issue 1, pages 42-50
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/52455695,60,60)
Published in Annals of Carnegie Museum, in 1996, in volume 65, issue 3, pages 297-303
Created: 2017-04-29, modified: 2017-04-29![](https://www.biodiversitylibrary.org/pagethumb/16165353,60,60)
Published in Annals of the Missouri Botanical Garden, in 1992, in volume 79, pages 819-885
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/48407251,60,60)
Published in Journal of The Botanical Research Institute of Texas, in 2010, in volume 4, issue 2, pages 563-567
Created: 2015-12-01, modified: 2015-12-01![](https://www.biodiversitylibrary.org/pagethumb/10007462,60,60)
Published in Sida, Contributions To Botany, in 1966, in volume 2, issue 5, pages 390-392
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/10008163,60,60)
Published in Sida, Contributions To Botany, in 1971, in volume 4, issue 2, pages 57-227
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/27279319,60,60)
Published in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 912-916
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/10010140,60,60)
Published in Sida, Contributions To Botany, in 1978, in volume 7, issue 4, pages 309-354
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/10006029,60,60)
Published in Sida, Contributions To Botany, in 1986, in volume 11, issue 3, pages 347-351
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9303385,60,60)
Published in Sida, Contributions To Botany, in 1996, in volume 17, issue 2, pages 385-411
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/27278836,60,60)
Published in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 437-439
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/27277225,60,60)
Published in Annals of the Missouri Botanical Garden, in 1988, in volume 75, pages 522-722
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/660630,60,60)
Published in Rhodora, in 1976, in volume 78, pages 438-456
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/9305444,60,60)
Published in Sida, Contributions To Botany, in 1999, in volume 18, issue 3, pages 837-859
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9309963,60,60)
Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 4, pages 1589-1593
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/10007469,60,60)
Published in Sida, Contributions To Botany, in 1966, in volume 2, issue 6, pages 395-408
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9308093,60,60)
Published in Sida, Contributions To Botany, in 2001, in volume 19, issue 4, pages 993-1014
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9301821,60,60)
Published in Sida, Contributions To Botany, in 1992, in volume 15, issue 2, pages 317-321
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9309947,60,60)
Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 4, pages 1573-1583
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/27278839,60,60)
Published in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 440-442
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/41650059,60,60)
Published in Journal of The Botanical Research Institute of Texas, in 2008, in volume 2, issue 1, pages 1-5
Created: 2015-12-01, modified: 2015-12-01![](https://www.biodiversitylibrary.org/pagethumb/9300813,60,60)
Published in Sida, Contributions To Botany, in 1989, in volume 13, issue 4, pages 481-486
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/41536805,60,60)
Published in Journal of The Botanical Research Institute of Texas, in 2009, in volume 3, issue 2, pages 469-478
Created: 2015-12-01, modified: 2015-12-01![](https://www.biodiversitylibrary.org/pagethumb/4860651,60,60)
Published in Rhodora, in 1982, in volume 84, pages 285-291
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/27277560,60,60)
Published in Annals of the Missouri Botanical Garden, in 1988, in volume 75, pages 853-861
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/49924845,60,60)
Published in Acta Botánica Mexicana, in 2008, in volume 85, pages 39-43
Created: 2016-05-12, modified: 2017-04-27![](https://www.biodiversitylibrary.org/pagethumb/640649,60,60)
Published in Novon, in 1998, in volume 8, pages 388-398
Created: 2011-01-28, modified: 2016-02-16![](https://www.biodiversitylibrary.org/pagethumb/10007927,60,60)
Published in Sida, Contributions To Botany, in 1969, in volume 3, issue 6, pages 387-440
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9260270,60,60)
Published in Journal of the Arnold Arboretum, in 1983, in volume 64, pages 421-429
Created: 2011-01-26, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/640660,60,60)
Published in Novon, in 1998, in volume 8, pages 399-401
Created: 2011-01-28, modified: 2016-02-16![](https://www.biodiversitylibrary.org/pagethumb/5439735,60,60)
Published in Rhodora, in 1978, in volume 80, pages 444-447
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/33354639,60,60)
Published in Rhodora, in 1992, in volume 94, issue 877, pages 1-14
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/636632,60,60)
Published in Novon, in 1991, in volume 1, pages 60-66
Created: 2011-01-28, modified: 2016-02-16![](https://www.biodiversitylibrary.org/pagethumb/9251196,60,60)
Published in Journal of the Arnold Arboretum, in 1989, in volume 70, pages 131-142
Created: 2011-01-26, modified: 2023-02-16