| 0 | PI 667461 | SEUS 2008-6 | Helenium amarum (Raf.) H. Rock | Virginia, United States | OPGC | | | 2008 | COLLECTED | 10/21/2008 | Near Cleopus,VA, on Secondary State Route 689. on the north side of the road. | 36.60500000, -76.95750000 | 10 | South exposure. On a slight slope. Growing along with Asters and Clethra; N36.60494 W-76.95763, 15m accuracy per Garmin GPS 60CSx | Wild material | 15 inches tall, yellow notched petals | 1792366 | PI 667461 |
| 1 | PI 641917 | 'DAKOTA GOLD' | Helenium amarum (Raf.) H. Rock | Illinois, United States | PVPO | | Not Available | 2005 | DEVELOPED | | | | | | Cultivar | | 1688834 | PI 641917 |
| 2 | PI 312818 | | Helenium microcephalum DC. | Coahuila de Zaragoza, Mexico | NC7 | | Not Available | 1966 | COLLECTED | | | | | | | | 1233415 | PI 312818 |
| 3 | PI 144434 | No. 39.1705 | Helenium atacamense Cabrera | Antofagasta, Chile | | | Historic | 1942 | COLLECTED | | Departmnent of Taltal | | 100 | | | | 1873950 | PI 144434 |
| 4 | PI 144435 | No. 39.1789 | Helenium urmenetae (Phil.) Cabrera | Coquimbo, Chile | | | Historic | 1942 | COLLECTED | | Department of La Serena | | 100 | | | | 1873951 | PI 144435 |
| 5 | PI 113290 | Superbum | Helenium bigelovii A. Gray | Germany | | | Historic | 1935 | COLLECTED | | | | | | | | 1491869 | PI 113290 |
| 6 | PI 113291 | 'Chipperfield orange' | Helenium sp. | Germany | | | Historic | 1935 | COLLECTED | | | | | | | | 1810918 | PI 113291 |
| 7 | PI 113292 | 'Coccineum bruneum' | Helenium sp. | Germany | | | Historic | 1935 | COLLECTED | | | | | | | | 1810919 | PI 113292 |
| 8 | PI 113293 | 'Crimson Beauty' | Helenium sp. | Germany | | | Historic | 1935 | COLLECTED | | | | | | | | 1810920 | PI 113293 |
| 9 | PI 113294 | Goldene Jugend | Helenium sp. | Germany | | | Historic | 1935 | COLLECTED | | | | | | | | 1810921 | PI 113294 |
| 10 | PI 113295 | Baronin Linden | Helenium sp. | Germany | | | Historic | 1935 | COLLECTED | | | | | | | | 1810922 | PI 113295 |
| 11 | PI 113296 | 'Moerheim Beauty' | Helenium sp. | Germany | | | Historic | 1935 | COLLECTED | | | | | | | | 1810923 | PI 113296 |
| 12 | PI 113297 | Peregrina | Helenium sp. | Germany | | | Historic | 1935 | COLLECTED | | | | | | | | 1810924 | PI 113297 |
| 13 | PI 113298 | Pumilum magnificum | Helenium autumnale L. | Germany | | | Historic | 1935 | COLLECTED | | | | | | | | 1810925 | PI 113298 |
| 14 | PI 113299 | Wyndley | Helenium sp. | Germany | | | Historic | 1935 | COLLECTED | | | | | | | | 1810926 | PI 113299 |
| 15 | PI 98322 | 'Moerheim Beauty' | Helenium autumnale L. | Netherlands | | | Historic | 1932 | COLLECTED | | | | | | | | 1785427 | PI 98322 |
| 16 | PI 89986 | 'Crimson beauty' | Helenium autumnale L. | Overijssel, Netherlands | | | Historic | 1930 | COLLECTED | | | | | | | | 1495626 | PI 89986 |
| 17 | PI 89987 | 'Madame Camivet' | Helenium autumnale L. | Overijssel, Netherlands | | | Historic | 1930 | COLLECTED | | | | | | | | 1754272 | PI 89987 |
| 18 | PI 89988 | 'Wyndley' | Helenium autumnale L. | Overijssel, Netherlands | | | Historic | 1930 | COLLECTED | | | | | | | | 1754273 | PI 89988 |
| 19 | PI 89989 | | Helenium bigelovii A. Gray | Overijssel, Netherlands | | | Historic | 1930 | COLLECTED | | | | | | | | 1754274 | PI 89989 |
| 20 | PI 89990 | 'Aurantiacum' | Helenium bigelovii A. Gray | Overijssel, Netherlands | | | Historic | 1930 | COLLECTED | | | | | | | | 1754275 | PI 89990 |
| 21 | PI 82024 | 'Gartensonne' | Helenium autumnale L. | England, United Kingdom | | | Historic | 1929 | COLLECTED | | | | | | | | 1745685 | PI 82024 |
| 22 | PI 82025 | 'Madame Canivet' | Helenium autumnale L. | England, United Kingdom | | | Historic | 1929 | COLLECTED | | | | | | | | 1745686 | PI 82025 |
| 23 | PI 82026 | 'Wyndley' | Helenium autumnale L. | England, United Kingdom | | | Historic | 1929 | COLLECTED | | | | | | | | 1745687 | PI 82026 |
| 24 | PI 82027 | 'Aurantiacum' | Helenium bigelovii A. Gray | England, United Kingdom | | | Historic | 1929 | COLLECTED | | | | | | | | 1745688 | PI 82027 |
| 25 | PI 82056 | 'Pumilum magnificum' | Helenium autumnale L. | England, United Kingdom | | | Historic | 1929 | COLLECTED | | | | | | | | 1745710 | PI 82056 |
| 26 | PI 82057 | 'Crimson Beauty' | Helenium autumnale L. | England, United Kingdom | | | Historic | 1929 | COLLECTED | | | | | | | | 1745711 | PI 82057 |
| 27 | PI 82058 | 'Julisonne' | Helenium autumnale L. | England, United Kingdom | | | Historic | 1929 | COLLECTED | | | | | | | | 1745712 | PI 82058 |
| 28 | PI 82048 | 'Gartensonne' | Helenium autumnale L. | Overijssel, Netherlands | | | Historic | 1929 | COLLECTED | | | | | | | | 1495049 | PI 82048 |
| 29 | PI 82049 | 'Autume Sunshine' | Helenium autumnale L. | Overijssel, Netherlands | | | Historic | 1929 | COLLECTED | | | | | | | | 1745705 | PI 82049 |
| 30 | PI 82050 | 'Grandicephalum Julisonne' | Helenium autumnale L. | Overijssel, Netherlands | | | Historic | 1929 | COLLECTED | | | | | | | | 1745706 | PI 82050 |
| 31 | PI 82051 | 'Pumilum magnificum' | Helenium autumnale L. | Overijssel, Netherlands | | | Historic | 1929 | COLLECTED | | | | | | | | 1745707 | PI 82051 |
| 32 | PI 80902 | 'Grandicephalum (nudiflorum) aurantium' | Helenium autumnale L. | Centre-Val de Loire, France | | | Historic | 1929 | COLLECTED | | | | | | | | 1744661 | PI 80902 |
| 33 | PI 80903 | 'Grandicephalum compactum bicolor' | Helenium autumnale L. | Centre-Val de Loire, France | | | Historic | 1929 | COLLECTED | | | | | | | | 1744662 | PI 80903 |
| 34 | PI 80904 | 'Grandicephalum gauffreanum' | Helenium autumnale L. | Centre-Val de Loire, France | | | Historic | 1929 | COLLECTED | | | | | | | | 1744663 | PI 80904 |
| 35 | PI 80059 | 'Baronne de Linden' | Helenium autumnale L. | England, United Kingdom | | | Historic | 1929 | COLLECTED | | | | | | | | 1743954 | PI 80059 |
| 36 | PI 80356 | 'Wyndley' | Helenium autumnale L. | Germany | | | Historic | 1929 | COLLECTED | | | | | | | | 1496328 | PI 80356 |
| 37 | PI 33854 | Poquil | Helenium glaucum (Cav.) Stuntz | Chile | | | Historic | 1912 | COLLECTED | | | | | | | | 1599213 | PI 33854 |
| 38 | PI 13697 | | Helenium sp. | Pennsylvania, United States | | | Historic | 1905 | COLLECTED | | | | | | | | 1572017 | PI 13697 |
| 39 | PI 13698 | | Helenium sp. | Pennsylvania, United States | | | Historic | 1905 | COLLECTED | | | | | | | | 1572018 | PI 13698 |
| 40 | PI 4797 | | Helenium autumnale L. | United States | | | Historic | 1900 | COLLECTED | | | | | | | | 1540217 | PI 4797 |
| 41 | NA 86083 | NA 86083 | Helenium flexuosum Raf. | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Helenium flexuosum. This is a short-lived taxon that needs to be replaced too frequently in the garden to carefully track the source of each replacement; further information about the material grown in a given year may be available upon request. Form received: unknown propagule type. | 2154598 | NA 86083 |
| 42 | OPGC 8724 | CA190B-195 | Helenium puberulum DC. | California, United States | OPGC |  | | 2023 | | | | | | | Wild material | Yellow spherical flower | 2142604 | OPGC 8724 |
| 43 | OPGC 8498 | NCBG-398 | Helenium autumnale L. | Virginia, United States | OPGC | | | 2021 | | | | | | | Wild material | | 2132882 | OPGC 8498 |
| 44 | OPGC 8347 | CBG-10579 | Helenium flexuosum Raf. | Illinois, United States | OPGC | | | 2021 | | | | | | | Wild material | Plant numbers sampled estimated. | 2120170 | OPGC 8347 |
| 45 | OPGC 7882 | MARSB-204 | Helenium autumnale L. | Delaware, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 2097519 | OPGC 7882 |
| 46 | NA 86014 | 'Salsa' | Helenium sp. | | NA | | Not Available | 2019 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Helenium 'Salsa' (MARIACHI Series). | 2154575 | NA 86014 |
| 47 | OPGC 7799 | NCBG-363 | Helenium autumnale L. | Virginia, United States | OPGC |  | Not Available | 2018 | | | | | | | Wild material | Helenium autumnale | 1965931 | OPGC 7799 |
| 48 | OPGC 7775 | CBG-7498 | Helenium autumnale L. | Wisconsin, United States | OPGC |  | | 2017 | | | | | | | Wild material | | 1954812 | OPGC 7775 |
| 49 | Ames 34238 | NV030-1133 | Helenium bigelovii A. Gray | California, United States | NC7 |  | | 2017 | | | | | | | Wild material | | 1948764 | Ames 34238 |
| 50 | Ames 34239 | CA180-115 | Helenium puberulum DC. | California, United States | NC7 | | | 2017 | | | | | | | Wild material | | 1947173 | Ames 34239 |
| 51 | Ames 33300 | OR110-796 | Helenium bigelovii A. Gray | Oregon, United States | NC7 |  | | 2015 | COLLECTED | 08/25/2014 | | | 1676 | | Wild material | | 1927531 | Ames 33300 |
| 52 | Ames 34237 | CBG-2793 | Helenium autumnale L. | Illinois, United States | NC7 |  | Not Available | 2015 | COLLECTED | 11/11/2013 | | | 171 | | Wild material | | 1926135 | Ames 34237 |
| 53 | Ames 33298 | HEBI-SOS-OR110-570-JOSEPHINE-13 | Helenium bigelovii A. Gray | United States | NC7 |  | | 2014 | COLLECTED | 2013 | | | | | Wild material | | 1921543 | Ames 33298 |
| 54 | Ames 33299 | HEBI-SOS-OR110-574-JOSEPHINE1-13 | Helenium bigelovii A. Gray | United States | NC7 |  | | 2014 | COLLECTED | 2013 | | | | | Wild material | | 1921544 | Ames 33299 |
| 55 | Ames 32494 | CBG-1973 | Helenium autumnale L. | Missouri, United States | NC7 |  | | 2013 | COLLECTED | 11/09/2011 | | | 145 | Ditch, along railroad. Associated with Amorpha fruticosa, Carex annectens, C. frankii, C. lupulina, Cicuta maculata var. maculata, and Iris virginica. | Wild material | | 1908870 | Ames 32494 |
| 56 | Ames 32495 | HEMIM-SOS-NM930-155-11 | Helenium microcephalum DC. var. microcephalum | United States | NC7 |  | | 2012 | COLLECTED | 2010 | | | | | Wild material | | 1901170 | Ames 32495 |
| 57 | Ames 32492 | 180078 | Helenium amarum (Raf.) H. Rock | United States | NC7 |  | | 2011 | COLLECTED | 05/21/2002 | | | | Associated with Croton monanthogynus, Juniperus ashei, Nassella leucotricha, and Quercus virginiana. | Wild material | | 1895284 | Ames 32492 |
| 58 | Ames 33297 | 210502 | Helenium amarum (Raf.) H. Rock | Texas, United States | NC7 |  | | 2011 | COLLECTED | 08/27/2003 | | | | | Wild material | | 1895285 | Ames 33297 |
| 59 | Ames 32493 | HEAU-SOS-UT080-1008-10 | Helenium autumnale L. | Utah, United States | NC7 |  | | 2011 | COLLECTED | PRE 08/28/2011 | | | | | Wild material | | 1887320 | Ames 32493 |
| 60 | Ames 31335 | HEBI-SOS-OR110-220-10 | Helenium bigelovii A. Gray | United States | NC7 |  | | 2011 | COLLECTED | PRE 2011 | | | | | Wild material | | 1868811 | Ames 31335 |
| 61 | Ames 31337 | HEPU2-SOS-CA190A-4-10 | Helenium puberulum DC. | United States | NC7 |  | | 2011 | COLLECTED | 01/01/2011 | | | | | Wild material | | 1855962 | Ames 31337 |
| 62 | Ames 31336 | 327022 | Helenium puberulum DC. | United States | NC7 | | | 2008 | COLLECTED | 07/17/2006 | | | 900 | Soil: Silt | Wild material | | 1780174 | Ames 31336 |
| 63 | NSL 448117 | LBJWC-MM-751 | Helenium elegans DC. | | NC7 | | Not Available | 2006 | COLLECTED | 06/30/2006 | | | | Moist or mesic. | Wild material | | 1719679 | NSL 448117 |
| 64 | Ames 28232 | Darby Plains 6 | Helenium autumnale L. | Ohio, United States | NC7 | | | 2004 | COLLECTED | 11/01/2004 | Battelle Darby Creek Metropolitan Park, Franklin County. | | | | Wild material | | 1690797 | Ames 28232 |
| 65 | Ames 28231 | IR 61 | Helenium autumnale L. | Ohio, United States | NC7 | | Not Available | 2004 | COLLECTED | 10/19/2004 | Irwin Prairie State Nature Preserve, Lucas County. | 41.65722222, -83.78194444 | | | Wild material | | 1690694 | Ames 28231 |
| 66 | Ames 28233 | LC 18 | Helenium flexuosum Raf. | Ohio, United States | NC7 | | | 2004 | COLLECTED | 10/19/2004 | Louis Campbell State Nature Preserve, Lucas County. | 41.59083333, -83.76194444 | | | Wild material | | 1690656 | Ames 28233 |
| 67 | Ames 28230 | CP12 | Helenium autumnale L. | Ohio, United States | NC7 | | | 2004 | COLLECTED | 10/07/2004 | Chaparral Prairie State Nature Preserve, 3 miles northwest of West Union, Adams County. | 38.83583333, -83.57361111 | | Cedar barrens prairie; along pond edge. Site size 10 square meters; 67 acre total area. Associated with Baptisia australis, Coreopsis tripteris, Eryngium yuccafolium, Liatris spicata, Physostegia virginiana, Pycnanthemum tenuifolium, Ratibida pinnata, and Rudbeckia hirta. | Wild material | 2-3 feet in height. | 1690609 | Ames 28230 |
| 68 | Ames 28229 | PRF 14 | Helenium autumnale L. | Ohio, United States | NC7 | | Not Available | 2004 | COLLECTED | 09/30/2004 | Prairie Road Fen State Nature Preserve, Clark County. | 39.99777778, -83.71361111 | | Sun. Slight slope. Poor drainage. Site size 5 square meters. | Wild material | 2-3 feet in height. | 1690558 | Ames 28229 |
| 69 | Ames 26835 | Ames 26835 | Helenium flexuosum Raf. | Missouri, United States | NC7 | | Not Available | 2002 | COLLECTED | 2001 | Franklin County. | 38.43333333, -91.06666667 | | | Wild material | | 1635678 | Ames 26835 |
| 70 | Ames 26836 | Ames 26836 | Helenium flexuosum Raf. | Missouri, United States | NC7 | | Not Available | 2002 | COLLECTED | 2001 | Lawrence County. | 37.11666667, -93.83333333 | | | Wild material | | 1635679 | Ames 26836 |
| 71 | NA 71246 | NA 71246 | Helenium autumnale L. | Virginia, United States | NA | | Not Available | 2000 | COLLECTED | 11/23/1999 | Mason Neck National Wildlife Area | 38.58333000, -77.16666000 | 15 | | | | 1953249 | NA 71246 |
| 72 | Ames 21088 | Index Seminum 18 | Helenium autumnale L. | Pennsylvania, United States | NC7 | | Not Available | 1993 | COLLECTED | | Diabase area in and at the edge of moist open meadow, Piedmont Province, Montgomery County. Growing with Cornus amomum, Hamamelis virginiana, Eupatorium fistulosum, Solidago sp. and grasses. | 40.33333333, -75.41666667 | 100 | | Wild material | | 1086002 | Ames 21088 |