| 0 | PI 122828 | Tultsoak | Cirsium sp. | Himachal Pradesh, India | | | Historic | 1937 | COLLECTED | 08/1936 | Pukar, Lahul | | | | | | 1834460 | PI 122828 |
| 1 | PI 111135 | No. 6 | Cirsium sp. | India | | | Historic | 1935 | COLLECTED | | | | | | | | 1803086 | PI 111135 |
| 2 | PI 111136 | No. 4 | Cirsium sp. | India | | | Historic | 1935 | COLLECTED | | | | | | | | 1803087 | PI 111136 |
| 3 | PI 111137 | No. 5 | Cirsium sp. | India | | | Historic | 1935 | COLLECTED | | | | | | | | 1803088 | PI 111137 |
| 4 | PI 99657 | | Cirsium verutum (D. Don) Spreng. | India | | | Historic | 1932 | COLLECTED | | | | | | | | 1786988 | PI 99657 |
| 5 | PI 41533 | No. 4776 | Cirsium sp. | Bhutan | | | Historic | 1915 | COLLECTED | | | | 3900 | | | | 1605817 | PI 41533 |
| 6 | OPGC 8819 | CBG- 10799 | Cirsium discolor (Muhl. ex Willd.) Spreng. | Illinois, United States | OPGC | | | 2023 | | | | | | | Wild material | | 2142258 | OPGC 8819 |
| 7 | OPGC 5801 | 172875 | Cirsium texanum Buckley | Texas, United States | OPGC |  | Not Available | 2021 | | | | | | | Wild material | | 1895235 | OPGC 5801 |
| 8 | OPGC 6085 | OR110-565 | Cirsium ciliolatum (L. F. Hend.) J. T. Howell | Oregon, United States | OPGC |  | Not Available | 2021 | | | | | | | Wild material | | 1921688 | OPGC 6085 |
| 9 | OPGC 8407 | OR080-68 | Cirsium edule Nutt. | Oregon, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | Flower color is purple, grows in individuals w/ multiple stems. | 2120904 | OPGC 8407 |
| 10 | OPGC 8313 | CBG-10471 | Cirsium altissimum (L.) Spreng. | Illinois, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | | 2120101 | OPGC 8313 |
| 11 | OPGC 8340 | CBG-10563 | Cirsium altissimum (L.) Spreng. | Illinois, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | Plant numbers sampled estimated. | 2120157 | OPGC 8340 |
| 12 | OPGC 5960 | CA930C-202 | Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) D. J. Keil & C. E. Turner | California, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | | 1911257 | OPGC 5960 |
| 13 | OPGC 5871 | CH-139 | Cirsium remotifolium (Hook.) DC. | Oregon, United States | OPGC |  | Not Available | 2021 | | | | | | | Wild material | | 1901129 | OPGC 5871 |
| 14 | OPGC 5872 | AZ932-96 | Cirsium wheeleri (A. Gray) Petr. | United States | OPGC |  | Not Available | 2021 | | | | | | | Wild material | | 1901292 | OPGC 5872 |
| 15 | OPGC 5944 | CBG-1833 | Cirsium altissimum (L.) Spreng. | Wisconsin, United States | OPGC |  | Not Available | 2021 | | | | | | | Wild material | | 1908818 | OPGC 5944 |
| 16 | OPGC 5945 | CBG-1873 | Cirsium altissimum (L.) Spreng. | Missouri, United States | OPGC |  | Not Available | 2021 | | | | | | | Wild material | | 1908819 | OPGC 5945 |
| 17 | OPGC 5830 | NV030-455 | Cirsium andersonii (A. Gray) Petr. | California, United States | OPGC |  | Not Available | 2021 | | | | | | | Wild material | | 1897868 | OPGC 5830 |
| 18 | OPGC 5831 | NV030-482 | Cirsium occidentale (Nutt.) Jeps. var. candidissimum (Greene) J. F. Macbr. | Nevada, United States | OPGC |  | Not Available | 2021 | | | | | | | Wild material | | 1897869 | OPGC 5831 |
| 19 | OPGC 8110 | CA190B-162 | Cirsium brevistylum Cronquist | California, United States | OPGC | | | 2020 | | | | | | | Wild material | Pappus is distinctively different from Cirsium occidentale in that it is smaller in length and not as pure white. | 2110342 | OPGC 8110 |
| 20 | OPGC 8111 | CA190B-163 | Cirsium occidentale (Nutt.) Jeps. var. venustum (Greene) Jeps. | California, United States | OPGC | | Not Available | 2020 | | | | | | | Wild material | Pappus is white. | 2110343 | OPGC 8111 |
| 21 | OPGC 8112 | CA190B-164 | Cirsium quercetorum (A. Gray) Jeps. | California, United States | OPGC | | | 2020 | | | | | | | Wild material | | 2110344 | OPGC 8112 |
| 22 | OPGC 6702 | CP5-2 | Cirsium neomexicanum A. Gray | Arizona, United States | OPGC |  | Not Available | 2018 | | | | | | | Wild material | Cirsium neomexicanum | 1967740 | OPGC 6702 |
| 23 | OPGC 6384 | CBG-7499 | Cirsium muticum Michx. | Illinois, United States | OPGC |  | Not Available | 2017 | | | | | | | Wild material | | 1954785 | OPGC 6384 |
| 24 | OPGC 6385 | CBG-7295 | Cirsium ochrocentrum A. Gray | Colorado, United States | OPGC |  | Not Available | 2017 | | | | | | | Wild material | | 1954786 | OPGC 6385 |
| 25 | OPGC 6322 | NV030-1130 | Cirsium mohavense (Greene) Petr. | California, United States | OPGC |  | | 2017 | | | | | | | Wild material | | 1948761 | OPGC 6322 |
| 26 | OPGC 6305 | CA650-89 | Cirsium occidentale (Nutt.) Jeps. var. venustum (Greene) Jeps. | California, United States | OPGC |  | | 2017 | | | | | | | Wild material | | 1948575 | OPGC 6305 |
| 27 | OPGC 6254 | UT080-185 | Cirsium barnebyi S. L. Welsh & Neese | Utah, United States | OPGC | | | 2017 | | | | | | | Wild material | | 1943682 | OPGC 6254 |
| 28 | OPGC 6245 | CBG-5549 | Cirsium altissimum (L.) Spreng. | Iowa, United States | OPGC | | Not Available | 2016 | | | | | | | Wild material | | 1942789 | OPGC 6245 |
| 29 | OPGC 6047 | CBG-2305 | Cirsium altissimum (L.) Spreng. | Kansas, United States | OPGC |  | Not Available | 2014 | | | | | | | Wild material | | 1919759 | OPGC 6047 |
| 30 | OPGC 6019 | UT080-133 | Cirsium undulatum (Nutt.) Spreng. | Utah, United States | OPGC |  | Not Available | 2014 | | | | | | | Wild material | | 1918332 | OPGC 6019 |
| 31 | OPGC 6002 | NV052-396 | Cirsium mohavense (Greene) Petr. | Nevada, United States | OPGC |  | | 2014 | | | | | | | Wild material | | 1916832 | OPGC 6002 |
| 32 | OPGC 6895 | CO810-029 | Cirsium neomexicanum A. Gray | Colorado, United States | OPGC |  | Not Available | 2012 | | | | | | | Wild material | | 1898569 | OPGC 6895 |
| 33 | OPGC 6871 | OR020-140 | Cirsium eatonii (A. Gray) B. L. Rob. var. peckii (L. F. Hend.) D. J. Keil | Oregon, United States | OPGC |  | Not Available | 2011 | | | | | | | Wild material | | 1868740 | OPGC 6871 |
| 34 | OPGC 5651 | NV030-276 | Cirsium andersonii (A. Gray) Petr. | California, United States | OPGC |  | Not Available | 2010 | | | | | | | Wild material | | 1833717 | OPGC 5651 |
| 35 | OPGC 5635 | 419095 | Cirsium arizonicum (A. Gray) Petr. | Utah, United States | OPGC |  | Not Available | 2009 | | | | | | | Wild material | | 1826937 | OPGC 5635 |
| 36 | NSL 460897 | LBJWC-1161 | Cirsium horridulum Michx. | Texas, United States | OPGC | | Not Available | 2008 | | | | | | | Wild material | | 1798830 | NSL 460897 |
| 37 | OPGC 5599 | 327077 | Cirsium canescens Nutt. | Wyoming, United States | OPGC |  | Not Available | 2008 | | | | | | | Wild material | | 1780150 | OPGC 5599 |
| 38 | OPGC 5581 | OR-11005-45 | Cirsium cymosum (Greene) J. T. Howell | California, United States | OPGC |  | Not Available | 2007 | | | | | | | Wild material | | 1740410 | OPGC 5581 |
| 39 | OPGC 6839 | UT-03004-15 | Cirsium neomexicanum A. Gray | Nevada, United States | OPGC |  | Not Available | 2007 | | | | | | | Wild material | | 1740450 | OPGC 6839 |
| 40 | OPGC 6841 | UT-93005-06 | Cirsium undulatum (Nutt.) Spreng. | Utah, United States | OPGC |  | Not Available | 2007 | | | | | | | Wild material | | 1740471 | OPGC 6841 |
| 41 | OPGC 6990 | UT930-70 | Cirsium eatonii (A. Gray) B. L. Rob. var. eatonii | United States | OPGC | | Not Available | 2007 | | | | | | | Wild material | | 1728089 | OPGC 6990 |
| 42 | OPGC 5544 | 204222 | Cirsium mohavense (Greene) Petr. | Nevada, United States | OPGC |  | Not Available | 2007 | | | | | | | Wild material | | 1719095 | OPGC 5544 |
| 43 | OPGC 5551 | 226538 | Cirsium quercetorum (A. Gray) Jeps. | California, United States | OPGC |  | | 2007 | | | | | | | Wild material | | 1719169 | OPGC 5551 |
| 44 | OPGC 6816 | AZ930-0017 | Cirsium neomexicanum A. Gray | Arizona, United States | OPGC |  | Not Available | 2007 | | | | | | | Wild material | | 1719144 | OPGC 6816 |
| 45 | OPGC 6820 | CA190-31 | Cirsium brevistylum Cronquist | California, United States | OPGC |  | Not Available | 2007 | | | | | | | Wild material | | 1719198 | OPGC 6820 |
| 46 | OPGC 2446 | GC 15 | Cirsium discolor (Muhl. ex Willd.) Spreng. | Ohio, United States | OPGC | | Not Available | 2005 | COLLECTED | 09/21/2005 | Green Camp Railroad Prairie, managed by the Marion County Historical Society, Marion County, | 40.54833333, -83.19138889 | 284 | | Wild material | | 1691063 | OPGC 2446 |
| 47 | OPGC 5507 | 169851 | Cirsium cymosum (Greene) J. T. Howell | California, United States | OPGC |  | Not Available | 2005 | | | | | | | Wild material | Forb 0.6-1.5 meters tall. | 1673841 | OPGC 5507 |
| 48 | OPGC 5532 | 196657 | Cirsium occidentale (Nutt.) Jeps. | California, United States | OPGC |  | Not Available | 2005 | | | | | | | Wild material | Forb 0.45-1 meters tall. | 1674197 | OPGC 5532 |
| 49 | OPGC 5539 | 203166 | Cirsium inamoenum (Greene) D. J. Keil var. inamoenum | Idaho, United States | OPGC |  | Not Available | 2005 | | | | | | | Wild material | Forb 0.6-0.75 meters tall. | 1674322 | OPGC 5539 |
| 50 | OPGC 6801 | RBG-28 | Cirsium scariosum Nutt. | Utah, United States | OPGC |  | Not Available | 2005 | | | | | | | Wild material | Forb 0.15-1 meters tall. | 1674267 | OPGC 6801 |
| 51 | OPGC 2047 | IR 67 | Cirsium muticum Michx. | Ohio, United States | OPGC | | Not Available | 2004 | COLLECTED | 10/19/2004 | Irwin Prairie State Nature Preserve, Lucas County | 41.65472222, -83.77361111 | | | Wild material | | 1690698 | OPGC 2047 |
| 52 | OPGC 1924 | OPGC 1924 | Cirsium discolor (Muhl. ex Willd.) Spreng. | | | | Historic | 2004 | | | | | | | | | 1690586 | OPGC 1924 |
| 53 | OPGC 1937 | OPGC 1937 | Cirsium discolor (Muhl. ex Willd.) Spreng. | | | | Historic | 2004 | | | | | | | | | 1690599 | OPGC 1937 |
| 54 | OPGC 6806 | PRF 5 | Cirsium muticum Michx. | Ohio, United States | OPGC | | Not Available | 2004 | COLLECTED | 09/30/2004 | Prairie Road Fen State Nature Preserve, Clark County | 39.99777778, -83.71361111 | | Drainage(1-well, 4-poor): 4 Sun. Slope: Slight. | Wild material | 3-9'. Sample size: 10. Population size: 20. Site size: 5 square meters. | 1690549 | OPGC 6806 |
| 55 | OPGC 2099 | Stucker Meadow 21 | Cirsium discolor (Muhl. ex Willd.) Spreng. | Ohio, United States | OPGC | | Not Available | 2004 | DONATED | 08/22/2004 | | | | | Wild material | | 1690747 | OPGC 2099 |
| 56 | OPGC 1815 | ODNR 19 | Cirsium carolinianum (Walter) Fernald & B. G. Schub. | Ohio, United States | OPGC | | Not Available | 2004 | COLLECTED | 06/22/2004 | 1 mile up Forest Road 4 from Forest Road 3, towards horse camp. Shawnee State Forest, Scioto County | 38.78833333, -83.18583333 | 245 | | Wild material | 2-1/2 - 3'. Biennial, fibrous rooted. Population size: 5. Site size (sqm): 10. | 1690484 | OPGC 1815 |
| 57 | AG 28 | AG 28 | Cirsium kamtschaticum Ledeb. ex DC. | | | | Historic | 2004 | COLLECTED | NEAR 10/17/1999 | | | | | Wild material | | 1601155 | AG 28 |
| 58 | OPGC 6770 | 98HT-77 | Cirsium esculentum (Siev.) C. A. Mey. | Mongolia | OPGC | | Not Available | 1999 | COLLECTED | 09/1998 | State Farm, Horha Sum, Henti Aimag | 48.13416667, 110.14111111 | 1219 | Wet meadow bordering a small river with surface water present. Surrounding uplands are grass steppe. | Wild material | Associated vegetation:Typical wet meadow dominated by Agrostis, Iris, Sonchum, Plantago, Potentilla, and Elymus. | 1578188 | OPGC 6770 |