Published in Biol Bull, in 1976, in volume 151, pages 161-181
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/15933717,60,60)
Published in The Auk, in 1908, in volume 25, pages 228-229
Created: 2013-03-07, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/15933818,60,60)
Published in The Auk, in 1908, in volume 25, pages 313-314
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/49628330,60,60)
Published in Palaeontology, in 1967, in volume 10, issue 2, pages 298-306
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/658824,60,60)
Published in Rhodora, in 1972, in volume 74, issue 799, pages 378-388
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/627006,60,60)
Published in Rhodora, in 1960, in volume 62, issue 736, pages 116
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/47943891,60,60)
Published in Madroño, in 1988, in volume 35, issue 1, pages 70-71
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/627423,60,60)
Published in Rhodora, in 1961, in volume 63, issue 749, pages 146-148
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/626983,60,60)
Published in Rhodora, in 1960, in volume 62, issue 736, pages 93-95
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/12882854,60,60)
Published in Phytologia, in 1984, in volume 55, issue 4, pages 227-228
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/4861282,60,60)
Published in Rhodora, in 1979, in volume 81, issue 826, pages 283-284
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/9301666,60,60)
Published in Sida, Contributions To Botany, in 1992, in volume 15, issue 1, pages 165-166
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/5873490,60,60)
Published in Rhodora, in 1981, in volume 83, issue 833, pages 147-148
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/633090,60,60)
Published in Rhodora, in 1967, in volume 69, issue 780, pages 460-465
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/10011076,60,60)
Published in Sida, Contributions To Botany, in 1983, in volume 10, issue 1, pages 41-81
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9309695,60,60)
Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 1335-1338
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9181455,60,60)
Published in Sida, Contributions To Botany, in 2006, in volume 22, issue 1, pages 33-49
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/47815567,60,60)
Published in Madroño, in 2007, in volume 54, pages 329-333
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/4378121,60,60)
Published in The University of Kansas Science Bulletin, in 1955, in volume 37, issue 1, pages 55-141
Created: 2010-01-12, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/1538894,60,60)
Published in Biol Bull, in 1970, in volume 138, pages 247-261
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/10007433,60,60)
Published in Sida, Contributions To Botany, in 1966, in volume 2, issue 5, pages 361-376
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/634529,60,60)
Published in Rhodora, in 1970, in volume 72, issue 790, pages 164-181
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/7797486,60,60)
Published in The Great Basin Naturalist, in 1986, in volume 46, issue 2, pages 294-298
Created: 2017-11-16, modified: 2017-11-16![](https://www.biodiversitylibrary.org/pagethumb/9310983,60,60)
Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 2, pages 753-754
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/47943946,60,60)
Published in Madroño, in 1988, in volume 35, issue 2, pages 121-125
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/57548219,60,60)
Published in Journal of The Botanical Research Institute of Texas, in 2014, in volume 8, issue 2, pages 677-678
Created: 2019-01-27, modified: 2019-01-27![](https://www.biodiversitylibrary.org/pagethumb/1545277,60,60)
Published in Biol Bull, in 1966, in volume 131, pages 272-291
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/10007483,60,60)
Published in Sida, Contributions To Botany, in 1966, in volume 2, issue 6, pages 409-418
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/33106375,60,60)
Published in Rhodora, in 1993, in volume 95, issue 881, pages 79-81
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/8894594,60,60)
Published in The Great Basin Naturalist, in 1984, in volume 44, pages 482-483
Created: 2017-11-16, modified: 2017-11-16![](https://www.biodiversitylibrary.org/pagethumb/8885466,60,60)
Published in The Great Basin Naturalist, in 1985, in volume 45, issue 3, pages 548-550
Created: 2017-11-16, modified: 2017-11-16![](https://www.biodiversitylibrary.org/pagethumb/9307489,60,60)
Published in Sida, Contributions To Botany, in 2000, in volume 19, issue 2, pages 407-410
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9310457,60,60)
Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 1, pages 237-241
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/52194198,60,60)
Published in The Wilson Bulletin, in 1978, in volume 90, issue 2, pages 215-220
Created: 2016-12-04, modified: 2016-12-04![](https://www.biodiversitylibrary.org/pagethumb/58141543,60,60)
Published in Telopea, in 2011, in volume 13, issue 3, pages 405-454
Created: 2020-08-24, modified: 2020-08-24![](https://www.biodiversitylibrary.org/pagethumb/1532539,60,60)
Published in Biol Bull, in 1983, in volume 165, pages 276-285
Created: 2010-01-07, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/10008385,60,60)
Published in Sida, Contributions To Botany, in 1972, in volume 4, issue 4, pages 279-443
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9301809,60,60)
Published in Sida, Contributions To Botany, in 1992, in volume 15, issue 2, pages 305-315
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/50929251,60,60)
Published in Psyche: A Journal of Entomology, in 1978, in volume 85, issue 2-3, pages 201-207
Created: 2016-06-27, modified: 2016-06-27![](https://www.biodiversitylibrary.org/pagethumb/634735,60,60)
Published in Rhodora, in 1970, in volume 72, issue 791, pages 351-369
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/9305196,60,60)
Published in Sida, Contributions To Botany, in 1998, in volume 18, issue 2, pages 593-604
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/52152623,60,60)
Published in The Wilson Bulletin, in 1966, in volume 78, issue 4, pages 379-399
Created: 2016-12-04, modified: 2016-12-04![](https://www.biodiversitylibrary.org/pagethumb/58141593,60,60)
Published in Telopea, in 2011, in volume 13, issue 3, pages 455-494
Created: 2020-08-24, modified: 2020-08-24![](https://www.biodiversitylibrary.org/pagethumb/9312195,60,60)
Published in Sida, Contributions To Botany, in 2005, in volume 21, issue 3, pages 1953-1954
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9310051,60,60)
Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 4, pages 1677-1692
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/9182389,60,60)
Published in Sida, Contributions To Botany, in 2006, in volume 22, issue 2, pages 955-957
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/47955947,60,60)
Published in Madroño, in 1990, in volume 37, issue 3, pages 214-216
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/63190859,60,60)
Published in Alytes, in 1995, in volume 13, issue 3, pages 81-86
Created: 2024-05-03, modified: 2024-05-03![](https://www.biodiversitylibrary.org/pagethumb/10009850,60,60)
Published in Sida, Contributions To Botany, in 1977, in volume 7, issue 1, pages 24-41
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/27277084,60,60)
Published in Annals of the Missouri Botanical Garden, in 1988, in volume 75, pages 385-388
Created: 2010-01-08, modified: 2015-12-16