• D. E. Atha 8340, United States of America
• D. E. Atha 8394, United States of America
• D. E. Atha 8856, United States of America
• D. E. Atha 8893, United States of America
• R. A. Mc Hugh s.n., United States of America
• S. L. Welsh 23132, United States of America
• R. J. Evans 3826, United States of America
• P. A. Lott 308, United States of America
• M. J. Williams 84-135-8, United States of America
• A. A. Heller 10240, United States of America
• A. P. Pinzl 12029, United States of America
• W. H. Baker 11280, United States of America
• W. H. Baker 8421, United States of America
• A. Tiehm 12757, United States of America
• A. Tiehm 11931, United States of America
• D. H. Mansfield 02-993, United States of America
• R. H. Hevly s.n., United States of America
• J. D. Morefield 3117(a), United States of America
• A. P. Pinzl 6772, United States of America
• A. P. Pinzl 7682, United States of America
• M. A. Franklin 4330, United States of America
• A. P. Pinzl 8448, United States of America
• A. Tiehm 2971, United States of America
• A. P. Pinzl 991, United States of America
• A. Taye 5048, United States of America
• M. T. Hysell 4, United States of America
• M. T. Hysell Camp No.503, United States of America
• A. Tiehm 14082, United States of America
• A. Tiehm 14120, United States of America
• A. Tiehm 13409, United States of America
• J. Bair 366, United States of America
• N. H. Holmgren 16434, United States of America
• A. Tiehm 16483, United States of America
• A. Tiehm 16505, United States of America
• S. W. Stanfield s.n., United States of America
• J. M. Cowen s.n., United States of America
• H. A. Senn 1507, Canada
• E. G. Hartmann 117, United States of America
• W. N. Denike 600, Canada
• F. W. Gould 5178, United States of America
• F. P. Briggs s.n., United States of America
• J. L. C. Marie-Victorin 55008, Canada
• J. L. C. Marie-Victorin 56043, Canada
• Collector unspecified 44-157-56
• R. D. Thomas 3978, United States of America
• A. Cronquist 4670, United States of America
• A. Ruth 601, United States of America
• A. Ruth 4129, United States of America
• W. W. Eggleston 5217, United States of America
• R. F. C. Naczi 13923, United States of America
• R. F. C. Naczi 13949, United States of America
• R. F. C. Naczi 13929, United States of America
• C. E. Moldenke 7352, United States of America
• F. A. Gilbert 741, United States of America
• E. J. Grimes 3209, United States of America
• H. A. Allard 870, United States of America
• A. E. Radford 18855, United States of America
• R. D. Thomas 68683; 2269, United States of America
• O. K. Lakela 1793, United States of America
• O. K. Lakela 1851, United States of America
• H. P. Sartwell s.n., United States of America
• H. P. Sartwell s.n., United States of America
• C. D. Howe 1466, Canada
• L. C. Higgins 4861, United States of America
• A. W. Wood s.n., United States of America
• A. Wood s.n., United States of America
• C. F. Parker s.n., United States of America
• Parker s.n., United States of America
• G. W. Hawes s.n., United States of America
• Fabius 502, Canada
• E. P. Bicknell 8832, United States of America
• Collector unspecified s.n., United States of America
• A. H. Smith s.n., United States of America
• W. H. Minshall s.n., Canada
• C. O. Grassl 3359, United States of America
• E. P. Bicknell 8812, United States of America
• H. D. House 24362, United States of America
• F. J. Lindheimer s.n., United States of America
• Bidens frondosa L.
• M. L. Fernald 14841, United States of America
• N. L. Britton s.n., United States of America
• Bidens frondosa L.
• J. Macoun 80831, Canada
• J. L. C. Marie-Victorin 21219, Canada
• L. W. Riddle s.n., United States of America
• F. L. Bennett 360, United States of America
• H. Tucker s.n., United States of America
• K. M. Wiegand 27, United States of America
• F. H. Wilkens s.n., United States of America
• F. H. Wilkens s.n., United States of America
• W. N. Suksdorf 1591, United States of America
• J. B. Leiberg 916, United States of America
• A. D. E. Elmer 611, United States of America
• L. M. Umbach 6055, United States of America
• H. N. Moldenke 2731, United States of America
• J. Torrey s.n., Canada
• R. T. Clausen 4115, United States of America
• F. W. Pennell 2298, United States of America
• K. K. Mackenzie 5717, United States of America
• H. N. Moldenke 2731, United States of America
• L. H. Lighthipe s.n., United States of America
• K. K. Mackenzie 6827, United States of America
• K. K. Mackenzie 3892, United States of America
• L. H. Lighthipe s.n., United States of America
• C. A. Hollick s.n., United States of America
• T. H. Kearney s.n., United States of America
• H. J. Banker 3112, United States of America
• P. Dowell 2988, United States of America
• J. T. Howell 38926, United States of America
• J. A. E. Rouleau 7299, Canada
• J. A. E. Rouleau 7173, Canada
• W. Krivda 2233
• P. V. Krotkov 9488, Canada
• J. F. Collins 11461, United States of America
• A. A. Heller 11134, United States of America
• L. Abrams 6758, United States of America
• Bidens frondosa L.
• Bidens frondosa L.
• J. T. Howell 22849, United States of America
• L. C. Wheeler 2232, United States of America
• D. Sutherland 4155, United States of America
• M. J. Williams 84-135-8, United States of America
• C. D. Howe 1527, Canada
• M. L. Fernald s.n., United States of America
• M. L. Fernald s.n., Canada
• R. Kral 41206, United States of America
• L. C. Higgins 17026, United States of America
• D. Sutherland 4027, United States of America
• Bidens frondosa L.
• Bidens frondosa L.
• Collector unspecified s.n., United States of America
• M. A. Nobs 1856a, United States of America
• F. E. McDonald s.n., United States of America
• Collector unspecified s.n., United States of America
• A. M. Vail s.n., United States of America
• A. Ruth 718, United States of America
• B. F. Bush 809, United States of America
• A. Hayden 10877, United States of America
• A. Hayden 10870, United States of America
• W. A. Matthews 2698, United States of America
• G. L. Smith 69, United States of America
• S. D. Swanson 2355, United States of America
• S. D. Swanson 2158, United States of America
• T. G. Hartley 2945, United States of America
• C. F. Baker s.n., United States of America
• W. H. Horr 4256, United States of America
• G. N. Jones 18672, United States of America
• D. S. Erskine 1648, Canada
• L. S. Rose 60092, United States of America
• Bidens frondosa L.
• H. A. Stephens 44802, United States of America
• J. W. Moore 10422, United States of America
• W. C. Ferguson s.n., United States of America
• W. C. Ferguson 1, United States of America
• W. C. Ferguson 5, United States of America
• W. C. Ferguson 2, United States of America
• W. C. Ferguson 2, United States of America
• C. F. Batchelder s.n., United States of America
• E. P. Bicknell 8841, United States of America
• E. P. Bicknell 8842, United States of America
• N. L. Britton s.n., United States of America
• P. V. Krotkov 9487, Canada
• O. K. Lakela 1793, United States of America
• R. R. Weedon 4414, United States of America
• R. R. Weedon 4385, United States of America
• R. R. Weedon 4425, United States of America
• R. R. Weedon 4430, United States of America
• R. R. Weedon 4434, United States of America
• R. R. Weedon 4403, United States of America
• R. R. Weedon 4460, United States of America
• H. F. Bergman 1101, United States of America
• R. R. Weedon 4391, United States of America
• R. R. Weedon 4415, United States of America
• R. R. Weedon 5737A, United States of America
• R. R. Weedon 4420, United States of America
• R. R. Weedon 4478, United States of America
• R. R. Weedon 448, United States of America
• R. R. Weedon 5662, United States of America
• R. R. Weedon 4330, United States of America
• R. R. Weedon 4375, United States of America
• R. R. Weedon 4438, United States of America
• R. R. Weedon 5744, United States of America
• R. R. Weedon 4488, United States of America
• R. R. Weedon 4474, United States of America
• R. R. Weedon 4378, United States of America
• R. R. Weedon 4333, United States of America
• R. R. Weedon 4315, United States of America
• R. R. Weedon 5707, United States of America
• R. R. Weedon 4449, United States of America
• R. R. Weedon 4323, United States of America
• R. R. Weedon 4322, United States of America
• R. R. Weedon 4437, United States of America
• R. R. Weedon 4504, United States of America
• R. R. Weedon 4421, United States of America
• R. R. Weedon 5753, United States of America
• R. R. Weedon 4428, United States of America
• R. R. Weedon 5730, United States of America
• R. R. Weedon 4319, United States of America
• R. R. Weedon 4483, United States of America
• R. R. Weedon 4500, United States of America
• R. R. Weedon 5633, United States of America
• R. R. Weedon 5644, United States of America
• R. R. Weedon 5640, United States of America
• R. R. Weedon 4492, United States of America
• R. R. Weedon 5778, United States of America
• R. R. Weedon 5646, United States of America
• R. R. Weedon 5668, United States of America
• R. R. Weedon 5715, United States of America
• R. R. Weedon 4345, United States of America
• R. R. Weedon 4456, United States of America
• R. R. Weedon 4339, United States of America
• R. R. Weedon 5760, United States of America
• R. R. Weedon 4457, United States of America
• R. R. Weedon 5750, United States of America
• R. R. Weedon 4422, United States of America
• R. R. Weedon 4505, United States of America
• R. R. Weedon 4413, United States of America
• R. R. Weedon 4412, United States of America
• R. R. Weedon 5763, United States of America
• R. R. Weedon 4328, United States of America
• R. R. Weedon 4363, United States of America
• R. R. Weedon 4349, United States of America
• R. R. Weedon 4452, United States of America
• R. R. Weedon 4472, United States of America
• R. R. Weedon 5649, United States of America
• R. R. Weedon 4386, United States of America
• R. R. Weedon 5719, United States of America
• R. R. Weedon 5722, United States of America
• R. R. Weedon 5742, United States of America
• R. R. Weedon 4503, United States of America
• R. R. Weedon 5733, United States of America
• R. R. Weedon 5853, United States of America
• R. R. Weedon 5907, United States of America
• R. R. Weedon 5595, United States of America
• R. R. Weedon 5084, United States of America
• R. R. Weedon 5128, United States of America
• R. R. Weedon 5061, United States of America
• R. R. Weedon 5034, United States of America
• R. R. Weedon 5083, United States of America
• R. R. Weedon 5056, United States of America
• R. R. Weedon 5099, United States of America
• R. R. Weedon 5109, United States of America
• R. R. Weedon 6770, United States of America
• R. R. Weedon 6804, United States of America
• R. R. Weedon 5201, United States of America
• R. R. Weedon 6862, United States of America
• R. R. Weedon 5839, United States of America
• R. R. Weedon 5821, United States of America
• R. R. Weedon 5829, United States of America
• R. R. Weedon 5844, United States of America
• R. R. Weedon 5805, United States of America
• R. R. Weedon 5847, United States of America
• R. R. Weedon 5848, United States of America
• R. R. Weedon 6861, United States of America
• R. R. Weedon 5808, United States of America
• R. R. Weedon 5803, United States of America
• R. R. Weedon 5920, United States of America
• R. R. Weedon 5941, United States of America
• R. R. Weedon 5880, United States of America
• R. R. Weedon 5861, United States of America
• R. R. Weedon 5899, United States of America
• R. R. Weedon 5915, United States of America
• R. R. Weedon 5869, United States of America
• R. R. Weedon 5890, United States of America
• R. R. Weedon 5873, United States of America
• R. R. Weedon 5886, United States of America
• R. R. Weedon 5992, United States of America
• R. R. Weedon 5968, United States of America
• R. R. Weedon 5974, United States of America
• R. R. Weedon 5691, United States of America
• R. R. Weedon 5675, United States of America
• R. R. Weedon 5694, United States of America
• R. R. Weedon 5689, United States of America
• R. R. Weedon 5677, United States of America
• R. R. Weedon 5683, United States of America
• R. R. Weedon 5658, United States of America
• R. R. Weedon 4709, United States of America
• R. R. Weedon 4663, United States of America
• R. R. Weedon 4959, United States of America
• R. R. Weedon 4944, United States of America
• R. R. Weedon 5017, United States of America
• R. R. Weedon 5020, United States of America
• R. R. Weedon 4720, United States of America
• R. R. Weedon 6760, United States of America
• R. R. Weedon 6738, United States of America
• R. R. Weedon 4878, United States of America
• R. R. Weedon 5008, United States of America
• R. R. Weedon 4715, United States of America
• R. R. Weedon 6716, United States of America
• R. R. Weedon 4734, United States of America
• R. R. Weedon 4997, United States of America
• R. R. Weedon 4955, United States of America
• R. R. Weedon 4758, United States of America
• R. R. Weedon 6795, United States of America
• R. R. Weedon 4736, United States of America
• R. R. Weedon 1968, United States of America
• R. R. Weedon 6028, United States of America
• R. R. Weedon 6100, United States of America
• R. R. Weedon 6034, United States of America
• R. R. Weedon 6152, United States of America
• R. R. Weedon 4684, United States of America
• R. R. Weedon 6147, United States of America
• R. R. Weedon 6045, United States of America
• R. R. Weedon 6762, United States of America
• R. R. Weedon 5013, United States of America
• R. R. Weedon 5027, United States of America
• R. R. Weedon 4889, United States of America
• R. R. Weedon 4837, United States of America
• R. R. Weedon 6144, United States of America
• R. R. Weedon 4765, United States of America
• R. R. Weedon 6184, United States of America
• R. R. Weedon 6141, United States of America
• R. R. Weedon 4768, United States of America
• R. R. Weedon 4605A, United States of America
• R. R. Weedon 4584, United States of America
• R. R. Weedon 4630, United States of America
• R. R. Weedon 4534, United States of America
• R. R. Weedon 4635, United States of America
• R. R. Weedon 4542, United States of America
• R. R. Weedon 4509, United States of America
• R. R. Weedon 4546, United States of America
• R. R. Weedon 4611, United States of America
• R. R. Weedon 4548, United States of America
• R. R. Weedon 4632, United States of America
• R. R. Weedon 4563, United States of America
• R. R. Weedon 4626, United States of America
• R. R. Weedon 4636, United States of America
• R. R. Weedon 4517, United States of America
• R. R. Weedon 4528, United States of America
• R. R. Weedon 4530, United States of America
• R. R. Weedon 4625, United States of America
• R. R. Weedon 4902, United States of America
• R. R. Weedon 4571, United States of America
• R. R. Weedon 4621, United States of America
• R. R. Weedon 4585, United States of America
• R. R. Weedon 4552, United States of America
• R. R. Weedon 4537, United States of America
• R. R. Weedon 4520, United States of America
• R. R. Weedon 5971, United States of America
• R. R. Weedon 5978, United States of America
• R. R. Weedon 6001, United States of America
• R. R. Weedon 5903, United States of America
• R. R. Weedon 4601, United States of America
• R. R. Weedon 4619, United States of America
• R. R. Weedon 4609, United States of America
• R. R. Weedon 4603, United States of America
• R. R. Weedon 4615, United States of America
• R. R. Weedon 4599, United States of America
• R. R. Weedon 4935, United States of America
• R. R. Weedon 4898, United States of America
• R. R. Weedon 6017, United States of America
• H. D. House 27123, United States of America
• F. H. Wilkens s.n., United States of America
• J. H. Lehr 117, United States of America
• W. H. Horr E416, United States of America
• I. A. Lapham s.n., United States of America
• B. Shimek s.n., United States of America
• D. Demarée 22561, United States of America
• N. C. Fassett s.n., United States of America
• Collector unspecified s.n., United States of America
• E. W. Lathrop 1894, United States of America
• G. M. Merrill 1475, United States of America
• L. H. Pammel 63, United States of America
• G. F. Buddell, Magnoliophyta; North America
• O. K. Lakela 1851, United States of America
• M. J. Williams 74-108-2, United States of America
• D. H. Webb 3675, United States of America
• L. C. Higgins 11488, United States of America
• Bidens frondosa L.
• Bidens frondosa L.
• C. M. Child s.n., United States of America
• Bidens frondosa L.
• R. R. Halse 2924, United States of America
• H. E. Ahles 69965, United States of America
• D. L. Hazlett 9052, United States of America
• T. C. Porter 9723, United States of America
• R. R. Weedon 4788, United States of America
• R. R. Weedon 5139, United States of America
• R. R. Weedon 5591, United States of America
• R. R. Weedon 5119, United States of America
• R. R. Weedon 6669, United States of America
• R. R. Weedon 5622, United States of America
• R. R. Weedon 6667, United States of America
• R. R. Weedon 6214, United States of America
• R. R. Weedon 6541, United States of America
• R. R. Weedon 6241, United States of America
• R. R. Weedon 4669, United States of America
• R. R. Weedon 4830, United States of America
• R. R. Weedon 4687, United States of America
• R. R. Weedon 6054, United States of America
• R. R. Weedon 6030, United States of America
• R. R. Weedon 6023, United States of America
• R. R. Weedon 4673, United States of America
• R. R. Weedon 4951, United States of America
• R. R. Weedon 4678, United States of America
• R. R. Weedon 4778, United States of America
• R. R. Weedon 4783, United States of America
• R. R. Weedon 4857, United States of America
• R. R. Weedon 4796, United States of America
• R. R. Weedon 4791, United States of America
• R. R. Weedon 4742, United States of America
• R. R. Weedon 4746, United States of America
• R. R. Weedon 4993, United States of America
• R. R. Weedon 4688, United States of America
• R. R. Weedon 6049, United States of America
• R. R. Weedon 6070, United States of America
• R. R. Weedon 4724, United States of America
• R. R. Weedon 4879, United States of America
• R. R. Weedon 4652, United States of America
• R. R. Weedon 4694, United States of America
• R. R. Weedon 4697, United States of America
• R. R. Weedon 4700, United States of America
• R. R. Weedon 6067, United States of America
• R. R. Weedon 4805, United States of America
• R. R. Weedon 4794, United States of America
• R. R. Weedon 6722, United States of America
• K. L. Johnson 2871, United States of America
• R. R. Weedon 4799, United States of America
• R. R. Weedon 4892, United States of America
• R. R. Weedon 4915, United States of America
• R. R. Weedon 4854, United States of America
• R. R. Weedon 4828, United States of America
• R. R. Weedon 4657, United States of America
• R. R. Weedon 4643, United States of America
• R. R. Weedon 4976, United States of America
• R. R. Weedon 4649, United States of America
• R. R. Weedon 4848, United States of America
• R. R. Weedon 4865, United States of America
• R. R. Weedon 6758, United States of America
• R. R. Weedon 4991, United States of America
• R. R. Weedon 4752, United States of America
• R. R. Weedon 6726, United States of America
• R. R. Weedon 4913, United States of America
• R. R. Weedon 5946, United States of America
• R. R. Weedon 4588, United States of America
• R. R. Weedon 4525, United States of America
• R. R. Weedon 4929, United States of America
• R. R. Weedon 4894, United States of America
• R. R. Weedon 4617, United States of America
• R. R. Weedon 4613, United States of America
• R. R. Weedon 4523, United States of America
• R. R. Weedon 4527, United States of America
• R. R. Weedon 4926, United States of America
• R. R. Weedon 5982, United States of America
• R. R. Weedon 5981, United States of America
• R. R. Weedon 5967, United States of America
• R. R. Weedon 4920, United States of America
• R. R. Weedon 4580, United States of America
• R. R. Weedon 4596, United States of America
• R. R. Weedon 4560, United States of America
• R. R. Weedon 4607, United States of America
• R. R. Weedon 4308, United States of America
• R. R. Weedon 4939, United States of America
• R. R. Weedon 4773, United States of America
• R. R. Weedon 6765, United States of America
• R. R. Weedon 4738, United States of America
• R. R. Weedon 4793, United States of America
• R. R. Weedon 4832, United States of America
• R. R. Weedon 4887, United States of America
• R. R. Weedon 6114, United States of America
• R. R. Weedon 7142, United States of America
• R. R. Weedon 6128, United States of America
• R. R. Weedon 4991, United States of America
• R. R. Weedon 6790, United States of America
• J. F. Pruski 2176, United States of America
• J. F. Pruski 3029, United States of America
• R. R. Weedon 4554, United States of America
• R. R. Weedon 4559, United States of America
• R. R. Weedon 4623, United States of America
• R. R. Weedon 4597, United States of America
• R. R. Weedon 6010, United States of America
• R. R. Weedon 4578, United States of America
• R. R. Weedon 5783, United States of America
• M. McKee 1597, United States of America
• G. W. Wilson s.n., United States of America
• A. H. Young s.n., United States of America
• R. R. Weedon 4556, United States of America
• R. R. Weedon 4628, United States of America
• R. R. Weedon 4591, United States of America
• R. R. Weedon 4593, United States of America
• R. R. Weedon 5791, United States of America
• R. R. Weedon 5937, United States of America
• R. R. Weedon 6014, United States of America
• R. R. Weedon 4566, United States of America
• Bidens frondosa L.
• J. Hale s.n., United States of America
• G. H. Shull 400, United States of America
• Bidens frondosa L.
• L. C. Higgins 12916, United States of America
• A. Cronquist 6817, United States of America
• A. Cronquist 4074, United States of America
• M. Craig s.n., United States of America
• J. M. Coulter 9726, United States of America
• J. M. Coulter 9727, United States of America
• J. M. Coulter 9725, United States of America
• H. R. Bennett s.n., United States of America
• R. C. Friesner 15002, United States of America
• E. B. Ehrle 3131, United States of America
• E. B. Ehrle 3383, United States of America
• E. B. Ehrle 2080, United States of America
• E. B. Ehrle 3190, United States of America
• N. Charest 644, Canada
• J. A. E. Rouleau 4836, Canada
• B. E. Wofford 86-98, United States of America
• C. C. Curtis s.n., United States of America
• C. C. Curtis s.n., United States of America
• G. T. Robbins 2755, United States of America
• B. F. Bush 346, United States of America
• W. H. Baker 14607, United States of America
• W. C. Ferguson 3, United States of America
• W. C. Ferguson 2, United States of America
• W. C. Ferguson 1, United States of America
• Bidens frondosa L.
• Bidens frondosa L.
• Bidens frondosa L.
• W. M. Canby s.n., United States of America
• R. Chalmers s.n., Canada
• Bidens frondosa L.
• Bidens frondosa L.
• Bidens frondosa L.
• F. W. Pennell 8337, United States of America
• R. Crane 3243, United States of America
• M. Ruger s.n., United States of America
• D. E. Atha 13978, United States of America
• D. E. Atha 13980, United States of America
• D. E. Atha 13981, United States of America
• D. E. Atha 13982, United States of America
• D. E. Atha 13999, United States of America
• D. E. Atha 14045, United States of America
• D. E. Atha 14086, United States of America
• W. D. Longbottom 16048, United States of America
• W. D. Longbottom 18392, United States of America
• R. Howard 20627, United States of America
• A. Tiehm 17232, United States of America
• A. Tiehm 17237, United States of America
• D. E. Atha 15850, United States of America
• R. Decandido CP3, United States of America
• N. H. Holmgren 16736, United States of America
• G. Stevens 92-1852, United States of America
• E. Kiviat 94-278, United States of America
• E. Kiviat 94-298, United States of America
• T. W. Edmondson 1330, Canada
• P. A. Rydberg 1707, United States of America
• C. McKenney 5, Magnoliophyta; North America
• T. W. Edmondson 3850, Canada
• M. L. Fernald 24699, Canada
• M. L. Fernald 24698, Canada
• A. Commons s.n., United States of America
• D. Demarée 18497, United States of America
• D. Demarée 8206, United States of America
• R. R. Weedon 5923, United States of America
• R. R. Weedon 5087, United States of America
• C. W. Short s.n., United States of America
• J. Ng 671, United States of America
• S. A. Mori 27846, United States of America
• J. R. Shevock 6616, United States of America
• R. D. Worthington 18287, United States of America
• N. Charest 964, Canada
• F. C. Seymour 1385, United States of America
• B. C. Tharp 941, United States of America
• B. C. Tharp s.n., United States of America
• G. Stevens 90-358, United States of America
• R. D. Thomas 164051, United States of America
• R. R. Weedon 5772, United States of America
• G. T. Hastings s.n., United States of America
• R. D. Thomas 69206, United States of America
• Bidens frondosa L.
• Bidens frondosa L.
• V. Bustamante 064, United States of America
• S. P. Churchill 12382, United States of America
• J. A. Steyermark 69176, United States of America
• F. J. Hermann 9185, United States of America
• W. A. Archer 5867, United States of America
• Bidens frondosa L.
• Bidens frondosa L.
• Collector unspecified 36, United States of America
• Bidens frondosa L.
• D. B. Dunn 1922, United States of America
• D. Goldman 2144, United States of America
• C. B. Robinson 135, Canada
• C. B. Robinson 425, Canada
• C. B. Robinson 419, Canada
• W. H. Welch 262, United States of America
• G. V. Nash 320, United States of America
• G. V. Nash s.n., United States of America
• R. M. King 12764, United States of America
• R. M. King 12355, United States of America
• M. L. Fernald 6376, Canada
• W. H. Minshall 1908, Canada
• Bidens frondosa L.
• A. O. Garrett 1686, United States of America
• Bidens frondosa L.
• T. S. Brandegee 895, United States of America
• Bidens frondosa L.
• G. K. Helmkamp 18350, United States of America
• Illegible collector name s.n., United States of America
• H. L. Knowlton s.n., United States of America
• H. Slagle s.n., United States of America
• H. A. Stephens 44686, United States of America
• C. C. Freeman 288, United States of America
• V. L. Cory 52398, United States of America
• R. K. Godfrey 8173, United States of America
• E. P. Bicknell 8839, United States of America
• G. T. Hastings s.n., United States of America
• E. P. Bicknell 8838, United States of America
• E. P. Bicknell 8829, United States of America
• J. T. Enequist 92, United States of America
• H. N. Moldenke 98, United States of America
• P. Wilson s.n., United States of America
• N. L. Britton s.n., United States of America
• R. Southworth s.n., United States of America
• N. L. Britton s.n., United States of America
• F. W. Pennell 8779, United States of America
• E. P. Bicknell 8830, United States of America
• E. P. Bicknell 8834, United States of America
• E. P. Bicknell 8835, United States of America
• G. H. Shull 745, United States of America
• E. P. Bicknell 8836, United States of America
• E. P. Bicknell 8837, United States of America
• W. C. Ferguson s.n., United States of America
• W. C. Ferguson s.n., United States of America
• W. C. Ferguson s.n., United States of America
• W. C. Ferguson s.n., United States of America
• W. C. Ferguson 3, United States of America
• W. C. Ferguson 2, United States of America
• W. C. Ferguson s.n., United States of America
• W. C. Ferguson 1, United States of America
• J. J. Crooke s.n., United States of America
• H. M. Raup 7908, United States of America
• G. K. Helmkamp 19999, United States of America
• H. T. Beck 2628, United States of America
• K. M. Wiegand s.n., United States of America
• K. M. Wiegand s.n., United States of America
• R. D. Thomas 174003, United States of America
• D. C. Thornburg 826, United States of America
• M. Petrino 11, United States of America
• E. Yarrow s.n., United States of America
• E. Yarrow s.n., United States of America
• E. P. Bicknell 8831, United States of America
• M. Petrino 11, United States of America
• M. Petrino 35, United States of America
• A. Foss s.n., United States of America
• M. Petrino 22, United States of America
• E. Yarrow s.n., United States of America
• Collector unspecified s.n.
• W. M. Canby s.n., United States of America
• S. B. Buckley s.n., United States of America
• Bidens frondosa L.
• Bidens frondosa L.
• Bidens frondosa L.
• H. J. Scoggan 12687, Canada
• H. J. Scoggan 13090, Canada
• H. J. Scoggan 12726, Canada
• J. M. Gillett 7206, Canada
• R. C. Hosie 446, Canada
• J. M. Gillett 7106, Canada
• Bidens frondosa L.
• Bidens frondosa L.
• Bidens frondosa L.
• Bidens frondosa L.
• Bidens frondosa L.
• M. C. Pace 344, United States of America
• Bidens frondosa L.
• H. J. Banker 1487, United States of America
• F. C. Seymour 8, United States of America
• K. K. Mackenzie 567, United States of America
• H. Gillman s.n., United States of America
• F. W. Pennell 11986, United States of America
• Collector unspecified s.n., United States of America
• W. N. Suksdorf 10137, United States of America
• F. S. Earle 72, United States of America
• F. S. Earle s.n., United States of America
• W. S. Blatchley s.n., United States of America
• J. B. Norton 280, United States of America
• C. E. Moldenke 6585, United States of America
• P. C. Lesica 7807, United States of America
• P. C. Lesica 7798, United States of America
• E. B. s.n., United States of America
• E. S. Burgess s.n., United States of America
• S. R. Hill 26153, United States of America
• S. R. Hill 9664, United States of America
• S. R. Hill 22704, United States of America
• S. R. Hill 25257, United States of America
• S. R. Hill 18833, United States of America
• S. R. Hill 15836, United States of America
• S. R. Hill 33251, United States of America
• S. R. Hill 15884, United States of America
• P. H. Raven 20651, United States of America
• P. H. Raven 27705, United States of America
• P. H. Raven 20509, United States of America

• D. E. Atha 8340, United States of America
• D. E. Atha 8394, United States of America
• D. E. Atha 8856, United States of America
• D. E. Atha 8893, United States of America
• D. E. Atha 13978, United States of America
• D. E. Atha 13980, United States of America
• D. E. Atha 13981, United States of America
• D. E. Atha 13982, United States of America
• D. E. Atha 13999, United States of America
• D. E. Atha 14045, United States of America
• D. E. Atha 14086, United States of America
• D. E. Atha 15850, United States of America

• Bidens frondosa L.