Published in Field Museum Publications in Botany, in 1958, in volume 13, issue 4, pages 569-818

Created: 2017-11-26, modified: 2023-02-16

Published in Sida, Contributions To Botany, in 1994, in volume 16, issue 1, pages 207

Created: 2015-12-02, modified: 2015-12-02

Published in Novon, in 1997, in volume 7, pages 14-16

Created: 2011-01-28, modified: 2016-02-16

Published in Contributions From The University of Michigan Herbarium, in 1995, in volume 20, pages 173-215

Created: 2016-07-11, modified: 2016-07-11

Published in Contributions From The University of Michigan Herbarium, in 1978, in volume 11, issue 5, pages 289-290

Created: 2016-07-11, modified: 2016-07-11

Published in Contributions From The University of Michigan Herbarium, in 2005, in volume 24, pages 127-171

Created: 2016-07-11, modified: 2016-07-11

Published in Contributions From The University of Michigan Herbarium, in 1978, in volume 11, issue 5, pages 284-288

Created: 2016-07-11, modified: 2016-07-11

Published in Novon, in 2000, in volume 10, pages 67-70

Created: 2011-01-28, modified: 2016-02-16

Published in Rhodora, in 1947, in volume 50, issue 590, pages 38-49

Created: 2014-06-16, modified: 2016-07-26

Published in Rhodora, in 1972, in volume 74, issue 800, pages 495-516

Created: 2014-06-16, modified: 2016-07-26

Published in Acta Botánica Mexicana, in 2010, in volume 91, pages 1-7

Created: 2016-05-12, modified: 2017-04-27

Published in Contributions From The University of Michigan Herbarium, in 1978, in volume 11, issue 5, pages 301-304

Created: 2016-07-11, modified: 2016-07-11

Published in Journal of The Arnold Arboretum, in 1973, in volume 54, issue 2, pages 309-314

Created: 2016-07-07, modified: 2016-07-07

Published in Contributions From The University of Michigan Herbarium, in 1972, in volume 9, issue 4, pages 359-484

Created: 2016-07-11, modified: 2016-07-11

Published in Contributions from the University of Michigan Herbarium, in 1993, in volume 19, pages 207-239

Created: 2016-07-11, modified: 2016-07-11

Published in Contributions from the University of Michigan Herbarium, in 1982, in volume 15, pages 191-196

Created: 2016-07-11, modified: 2016-07-11

Published in Rhodora, in 1938, in volume 40, issue 472, pages 175-177

Created: 2016-07-19, modified: 2016-07-19

Published in Annals of the Missouri Botanical Garden, in 1965, in volume 52, pages 399-409

Created: 2010-01-08, modified: 2015-12-16

Published in Contributions From The University of Michigan Herbarium, in 1966, in volume 9, issue 1, pages 1-123

Created: 2016-07-11, modified: 2016-07-11

Published in Madroño, in 1958, in volume 14, issue 6, pages 214-216

Created: 2016-02-15, modified: 2016-07-07

Published in Rhodora, in 1936, in volume 38, issue 451, pages 241-263

Created: 2016-07-19, modified: 2016-07-19

Published in Contributions From The University of Michigan Herbarium, in 1980, in volume 14, pages 141-152

Created: 2016-07-11, modified: 2016-07-11

Published in Contributions From The University of Michigan Herbarium, in 1972, in volume 9, issue 5, pages 485-493

Created: 2016-07-11, modified: 2016-07-11

Published in Contributions From The University of Michigan Herbarium, in 1972, in volume 9, issue 6, pages 495-506

Created: 2016-07-11, modified: 2016-07-11

Published in Rhodora, in 1936, in volume 38, issue 452, pages 276-298

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1936, in volume 38, issue 453, pages 305-329

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1936, in volume 38, issue 454, pages 346-362

Created: 2016-07-19, modified: 2016-07-19

Published in Contributions from the University of Michigan Herbarium, in 1978, in volume 11, issue 5, pages 298-300

Created: 2016-07-11, modified: 2016-07-11

Published in Contributions from the University of Michigan Herbarium, in 1978, in volume 11, issue 5, pages 305-309

Created: 2016-07-11, modified: 2016-07-11

Published in Madroño, in 1946, in volume 8, issue 7, pages 237-240

Created: 2016-02-15, modified: 2016-07-07

Published in Contributions from the University of Michigan Herbarium, in 1990, in volume 17, pages 307-312

Created: 2016-07-11, modified: 2016-07-11

Published in Contributions from the University of Michigan Herbarium, in 1978, in volume 11, issue 5, pages 277-280

Created: 2016-07-11, modified: 2016-07-11

Published in Contributions from the University of Michigan Herbarium, in 1975, in volume 11, issue 2, pages 57-63

Created: 2016-07-11, modified: 2016-07-11

Published in Contributions from the University of Michigan Herbarium, in 1975, in volume 11, issue 2, pages 65-68

Created: 2016-07-11, modified: 2016-07-11

Published in Phytologia, in 1995, in volume 78, issue 3, pages 211-213

Created: 2016-05-04, modified: 2016-05-06

Published in Contributions from the University of Michigan Herbarium, in 1972, in volume 9, issue 7, pages 507-522

Created: 2016-07-11, modified: 2016-07-11

Published in Phytologia, in 1988, in volume 64, issue 3, pages 179-184

Created: 2016-05-06, modified: 2016-05-06

Published in Rhodora, in 1976, in volume 78, issue 816, pages 776-782

Created: 2014-06-16, modified: 2016-07-26

Published in Rhodora, in 1913, in volume 15, pages 45-58

Created: 2014-06-16, modified: 2016-07-26

Published in Botanical Gazette, in 1909, in volume 47, issue 3, pages 250

Created: 2017-03-14, modified: 2017-03-14

Published in Botanical Gazette, in 1909, in volume 48, issue 6, pages 478

Created: 2017-03-14, modified: 2017-03-14

Published in Phytologia, in 1977, in volume 36, pages 251-261

Created: 2011-01-26, modified: 2023-02-16

Published in Brimleyana, in 1985, in volume 11, pages 133-159

Created: 2017-04-21, modified: 2017-04-21

Published in Pan-Pacific Entomologist, in 1987, in volume 63, issue 4, pages 339-340

Created: 2018-07-03, modified: 2018-07-03

Published in Botanical Gazette, in 1907, in volume 44, issue 3, pages 238

Created: 2017-03-14, modified: 2017-03-14

Published in Madroño, in 1986, in volume 33, issue 1, pages 83

Created: 2016-02-15, modified: 2016-07-07

Published in Journal of The Adelaide Botanic Garden, in 1984, in volume 7, issue 1, pages 137-144

Created: 2022-11-15, modified: 2022-11-15

Published in Veliger, in 1975, in volume 17, pages 414

Created: 2013-12-03, modified: 2013-12-03

Published in Das Tierreich, in 1906, in volume 21, pages 1-806

Created: 2010-02-10, modified: 2012-03-23

Published in Torreya, in 1942, in volume 42, issue 6, pages 190-191

Created: 2022-12-12, modified: 2022-12-12