Published in Rhodora, in 1963, in volume 65, issue 762, pages 121-133
Created: 2014-06-16, modified: 2016-07-26
Published in Madroño, in 1956, in volume 13, issue 5, pages 145-167
Created: 2016-02-15, modified: 2016-07-07
Published in Madroño, in 1946, in volume 8, issue 7, pages 226-229
Created: 2016-02-15, modified: 2016-07-07
Published in Madroño, in 1963, in volume 17, issue 4, pages 118-127
Created: 2016-02-15, modified: 2016-07-07
Published in Madroño, in 1947, in volume 9, issue 3, pages 103-104
Created: 2016-02-15, modified: 2016-07-07
Published in Zeitschrift für wissenschaftliche Insektenbiologie, in 1907, in volume 3, pages 387-388
Created: 2017-03-18, modified: 2017-03-18
Published in Annals of the Missouri Botanical Garden, in 1944, in volume 31, pages 279-300
Created: 2010-01-08, modified: 2015-12-16
Published in Madroño, in 1948, in volume 9, issue 8, pages 238-241
Created: 2016-02-15, modified: 2016-07-07
Published in Rhodora, in 1958, in volume 60, issue 718, pages 272-283
Created: 2014-06-16, modified: 2016-07-26
Published in Annals of the Missouri Botanical Garden, in 1945, in volume 32, pages 265-278
Created: 2010-01-08, modified: 2015-12-16
Published in Rhodora, in 1964, in volume 66, issue 768, pages 344-358
Created: 2014-06-16, modified: 2016-07-26
Published in Madroño, in 1970, in volume 20, issue 7, pages 384
Created: 2016-02-15, modified: 2016-07-07
Published in Annals of the Missouri Botanical Garden, in 1965, in volume 52, pages 364-370
Created: 2010-01-08, modified: 2015-12-16
Published in Annals of the Missouri Botanical Garden, in 1945, in volume 32, pages 287-296
Created: 2010-01-08, modified: 2015-12-16
Published in Novon, in 2005, in volume 15, pages 290-292
Created: 2011-01-28, modified: 2011-06-21
Published in Proceedings of The American Philosophical Society, in 1918, in volume 57, issue 220, pages 60-68
Created: 2017-01-01, modified: 2017-01-01
Published in Annals of the Missouri Botanical Garden, in 1972, in volume 59, pages 362-372
Created: 2010-01-08, modified: 2015-12-16
Published in Kirtlandia, in 2002, in volume 53, pages 27-34
Created: 2016-11-04, modified: 2016-11-04
Published in Madroño, in 1986, in volume 33, issue 3, pages 232
Created: 2016-02-15, modified: 2016-07-07
Published in Acta Botánica Mexicana, in 2006, in volume 76, pages 47-57
Created: 2016-05-12, modified: 2017-04-27