Published in Phytologia, in 1997, in volume 82, issue 1, pages 1-2

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Published in Contributions From The University of Michigan Herbarium, in 1987, in volume 16, pages 201-210

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Published in Madroño, in 2009, in volume 56, pages 66

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Published in Contributions From The University of Michigan Herbarium, in 1993, in volume 19, pages 97-136

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Published in Acta Botánica Mexicana, in 1997, in volume 40, pages 19-23

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Published in Acta Botanica Mexicana, in 2008, in volume 83, pages 13-23

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Published in Contributions From The University of Michigan Herbarium, in 1995, in volume 20, pages 217-230

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Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 291-297

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Published in Contributions From The University of Michigan Herbarium, in 1999, in volume 22, pages 121-130

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Published in Contributions From The University of Michigan Herbarium, in 2001, in volume 23, pages 339-348

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Published in Contributions From The University of Michigan Herbarium, in 1980, in volume 14, pages 153-203

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Published in Contributions From The University of Michigan Herbarium, in 1990, in volume 17, pages 279-293

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Published in Contributions From The University of Michigan Herbarium, in 2007, in volume 25, pages 225-230

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Published in Contributions From The University of Michigan Herbarium, in 2001, in volume 23, pages 333-337

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Published in Acta Botánica Mexicana, in 2008, in volume 82, pages 15-41

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Published in Novon, in 1996, in volume 6, pages 419-422

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Published in Novon, in 1996, in volume 6, pages 356-365

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

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Published in Rhodora, in 1989, in volume 91, issue 865, pages 144-152

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Published in Rhodora, in 1994, in volume 96, issue 885, pages 97-101

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Published in Novon, in 2001, in volume 11, pages 454-459

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Published in Rhodora, in 1976, in volume 78, issue 816, pages 650-673

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Published in Hedwigia, in 1888, in volume 27, pages 77-86

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Published in Hedwigia, in 1865, in volume 4, pages 134-135

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Published in Hedwigia, in 1865, in volume 4, pages 135-136

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Published in Hedwigia, in 1876, in volume 15, pages 149-153

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Published in Hedwigia, in 1867, in volume 6, pages 8-10

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Published in Zeitschrift für wissenschaftliche Insektenbiologie, in 1909, in volume 5, pages 394-398

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Published in Novon, in 1992, in volume 2, pages 433-436

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Published in Hedwigia, in 1889, in volume 28, pages 358

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Published in Hedwigia, in 1865, in volume 4, pages 107-108

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Published in Hedwigia, in 1888, in volume 27, pages 76

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Published in Zoologischer Anzeiger, in 1905, in volume 28, pages 664-670

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Published in Ornithologische Monatsberichte, in 1902, in volume 10, pages 184-185

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Published in Entomologische Zeitung Stettin, in 1856, in volume 17, pages 63-64

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Published in Entomologische Zeitung Stettin, in 1884, in volume 45, pages 295-298

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Published in Entomologische Zeitung Stettin, in 1860, in volume 21, pages 99-109

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Published in Entomologische Zeitung Stettin, in 1864, in volume 25, pages 155-160

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Published in Journal für Ornithologie, in 1858, in volume 6, pages 411-415

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Published in Ornithologische Monatsberichte, in 1904, in volume 12, pages 27-28

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Published in Entomologische Nachrichten, in 1880, in volume 6, pages 41-45

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Published in Hedwigia, in 1874, in volume 13, pages 159

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Published in Hedwigia, in 1876, in volume 15, pages 33-34

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Published in Novon, in 1996, in volume 6, pages 423-425

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Published in Zoologischer Anzeiger, in 1904, in volume 27, pages 733-759

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Published in Entomologische Zeitung Stettin, in 1863, in volume 24, pages 394-396

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Published in Wiener Entomologische Monatsschrift, in 1862, in volume 6, pages 328-332

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Published in Ornithologische Monatsberichte, in 1907, in volume 15, pages 60

Created: 2015-09-28, modified: 2015-09-28

Published in Journal für Ornithologie, in 1871, in volume 19, pages 305-313

Created: 2014-09-04, modified: 2014-09-04

Published in Journal für Ornithologie, in 1871, in volume 19, pages 161-205

Created: 2014-09-04, modified: 2014-09-04