| 0 | W6 62225 | FWS0401-12 | Eutrochium fistulosum (Barratt) E. E. Lamont | Georgia, United States | W6 | | Not Available | 2024 | | | | | | | | Black Boxed 2024 Seeds of Success- Incorporated into the collection 4/1/2025 | 2169556 | W6 62225 |
| 1 | Ames 36209 | JDC/EM/2023/089/1121 | Eutrochium maculatum (L.) E. E. Lamont | Iowa, United States | NC7 | | | 2023 | COLLECTED | 10/19/2023 | Located approximately 3.15 miles west of Grinnell, T80N R17W SE 1/4 SE 1/4 NE 1/4 Sec. 14. | 41.73894000, -92.78670000 | 271 | Wet, remnant prairie. | Wild material | Plants in nature at collection site measuring approximately 3.5-5.0 feet in height. | 2165627 | Ames 36209 |
| 2 | Ames 36181 | Turtlehead Fen | Eutrochium maculatum (L.) E. E. Lamont | Iowa, United States | NC7 | | | 2023 | COLLECTED | 09/29/2023 | Turtlehead Fen (Chichaqua Bottoms Greenbelt) located 1.75 miles southeast of Farrar just north of highway 65, T81N R21W SW ¼ NW ¼ Sec. 31. | 41.78610000, -93.34730000 | 290 | Remnant fen with extremely wet, spongy soils and surface water visible at time of collection. | Wild material | Plants in nature ranged in height from three to eight feet. Variation was also noted for phenology with some plants mostly dispersed and some just ripening at the time of collection. | 2159013 | Ames 36181 |
| 3 | NA 82352 | NA 82352 | Eutrochium sp. | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Eutrochium sp.. Spontaneously growing in Fern Valley meadow; started appearing approximately 1997. | 2152897 | NA 82352 |
| 4 | OPGC 8690 | MARB-477 | Eutrochium fistulosum (Barratt) E. E. Lamont | New York, United States | OPGC | | Not Available | 2022 | | | | | | | Wild material | Habitat: terrestrial wetlands, Leaf type: leaves are simple (i.e., lobed or unlobed but not separated into leaflets) Leaf arrangement: whorled, there are three or more leaves per node along the stem. Leaf blade edges: the edge of the leaf blade has teeth. Flower type in flower heads: flower head has disk flowers only, and lacks the strap-shaped flowers.Ray flower color: N/ATuft or plume on fruit: at least a part of the plume is made up of fine bristles. Spines on plant: The plant has no spines Leaf blade length: 280 mm Disk flower number: 1-5 or 6-10 | 2139082 | OPGC 8690 |
| 5 | NA 87014 | (dwarf) | Eutrochium purpureum (L.) E. E. Lamont | | NA | | Not Available | 2022 | | | | | | | Clone | Full name as recorded at U.S. National Arboretum: Eutrochium purpureum (dwarf). | 2155116 | NA 87014 |
| 6 | OPGC 8531 | NEWFS-756 | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | Rhode Island, United States | OPGC | | | 2021 | | | | | | | Wild material | Leaves in whorls of 3 4 up the stem. | 2138842 | OPGC 8531 |
| 7 | OPGC 8566 | NEWFS-901 | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | Rhode Island, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | Leaves in whorls of 3-4 up the stem. | 2138924 | OPGC 8566 |
| 8 | OPGC 8225 | NEWFS-828 | Eutrochium maculatum (L.) E. E. Lamont | Massachusetts, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | Leaves whorled with >3 leaves per node, tall and upright in stands. | 2115737 | OPGC 8225 |
| 9 | OPGC 7949 | NEWFS-307 | Eutrochium maculatum (L.) E. E. Lamont | Massachusetts, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 2098191 | OPGC 7949 |
| 10 | OPGC 7894 | MARSB-358 | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | New Jersey, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 2097596 | OPGC 7894 |
| 11 | OPGC 7855 | CBG-9538 | Eutrochium purpureum (L.) E. E. Lamont | Illinois, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 2092807 | OPGC 7855 |
| 12 | OPGC 7818 | NEWFS-50 | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | Massachusetts, United States | OPGC | | Not Available | 2019 | | | | | | | Wild material | | 1976146 | OPGC 7818 |
| 13 | OPGC 7819 | NEWFS-153 | Eutrochium maculatum (L.) E. E. Lamont | Massachusetts, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 1976166 | OPGC 7819 |
| 14 | OPGC 7820 | NEWFS-181 | Eutrochium maculatum (L.) E. E. Lamont | Massachusetts, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 1976171 | OPGC 7820 |
| 15 | OPGC 7821 | NEWFS-325 | Eutrochium maculatum (L.) E. E. Lamont | Massachusetts, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 1976221 | OPGC 7821 |
| 16 | OPGC 7822 | NEWFS-379 | Eutrochium maculatum (L.) E. E. Lamont | Massachusetts, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 1976237 | OPGC 7822 |
| 17 | OPGC 7823 | NEWFS-399 | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | New Hampshire, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 1976248 | OPGC 7823 |
| 18 | OPGC 7824 | NEWFS-419 | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | Massachusetts, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 1976253 | OPGC 7824 |
| 19 | OPGC 7825 | NEWFS-429 | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | Massachusetts, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 1976257 | OPGC 7825 |
| 20 | OPGC 7826 | NEWFS-450 | Eutrochium maculatum (L.) E. E. Lamont | Massachusetts, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 1976267 | OPGC 7826 |
| 21 | OPGC 7827 | NEWFS-561 | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | Connecticut, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 1976291 | OPGC 7827 |
| 22 | OPGC 7828 | NEWFS-722 | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | Massachusetts, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 1976338 | OPGC 7828 |
| 23 | OPGC 7829 | NEWFS-767 | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | Massachusetts, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 1976348 | OPGC 7829 |
| 24 | OPGC 7830 | NEWFS-788 | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | Massachusetts, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 1976355 | OPGC 7830 |
| 25 | NA 85045 | 'Little Joe' | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | | NA | | Not Available | 2018 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Eutrochium dubium 'Little Joe'. To be planted in the Friendship Garden. | 2153985 | NA 85045 |
| 26 | OPGC 7773 | CBG-7497 | Eutrochium maculatum (L.) E. E. Lamont | Wisconsin, United States | OPGC |  | | 2017 | | | | | | | Wild material | | 1954809 | OPGC 7773 |
| 27 | OPGC 7769 | NEWFS-174 | Eutrochium maculatum (L.) E. E. Lamont | Connecticut, United States | OPGC |  | Not Available | 2017 | | | | | | | Wild material | | 1954691 | OPGC 7769 |
| 28 | OPGC 7743 | CBG-5546 | Eutrochium purpureum (L.) E. E. Lamont | Kansas, United States | OPGC | | | 2016 | | | | | | | Wild material | | 1942786 | OPGC 7743 |
| 29 | OPGC 5016 | CBG-2790 | Eutrochium purpureum (L.) E. E. Lamont | Illinois, United States | OPGC |  | Not Available | 2015 | COLLECTED | 09/25/2013 | | | 173 | | Wild material | | 1926134 | OPGC 5016 |
| 30 | NA 82201 | NA 82201 | Eutrochium purpureum (L.) E. E. Lamont | | NA | | Not Available | 2014 | | | | | | | | | 1952465 | NA 82201 |
| 31 | NA 82829 | NA 82829 | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | | NA | | Not Available | 2013 | | | | | | | | | 1952853 | NA 82829 |
| 32 | OPGC 4780 | CBG-1855 | Eutrochium purpureum (L.) E. E. Lamont var. purpureum | Wisconsin, United States | OPGC |  | Not Available | 2013 | COLLECTED | 09/19/2011 | | | | mesic oak forest | Wild material | | 1908853 | OPGC 4780 |
| 33 | OPGC 4781 | CBG-1867 | Eutrochium purpureum (L.) E. E. Lamont var. purpureum | Illinois, United States | OPGC |  | Not Available | 2013 | COLLECTED | 09/29/2011 | | | 166 | woodland | Wild material | | 1908854 | OPGC 4781 |
| 34 | NA 81218 | NA 81218 | Eutrochium purpureum (L.) E. E. Lamont | Maryland, United States | NA | | Not Available | 2012 | COLLECTED | 10/22/2012 | Beltsville Area Research Campus (BARC), Research Rd. wetland | 39.02499000, -76.87777000 | | | | | 1952012 | NA 81218 |
| 35 | OPGC 4589 | EUMAB-SOS-UT931-406-10 | Eutrochium maculatum (L.) E. E. Lamont | Utah, United States | OPGC |  | Not Available | 2012 | COLLECTED | 2010 | | | | | Wild material | | 1898493 | OPGC 4589 |
| 36 | Ames 30137 | JDC/EM/2009/020/170 | Eutrochium maculatum (L.) E. E. Lamont var. maculatum | Wisconsin, United States | NC7 | | | 2009 | COLLECTED | 09/21/2009 | Bridgeport Landing, Lower Wisconsin State Riverway, near Bridgeport, SW 1/4 of NE 1/4 of Section 14, T6N, R6W, Brodtville Quad, Grant County. | 42.99833333, -91.05055556 | 189 | Wisconsin River watershed/floodplain. Associated with Betula nigra, Cephalanthus occidentalis, Quercus bicolor, Ulmus rubra, and Urtica dioica. | Wild material | | 1819718 | Ames 30137 |
| 37 | NA 75968 | 'Little Joe' | Eutrochium dubium (Willd. ex Poir.) E. E. Lamont | | NA | | Not Available | 2006 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Eutrochium dubium 'Little Joe'. | 2150557 | NA 75968 |
| 38 | Ames 28219 | IR 72 | Eutrochium fistulosum (Barratt) E. E. Lamont | Ohio, United States | NC7 | | | 2004 | COLLECTED | 10/19/2004 | Irwin Prairie State Nature Preserve, Lucas County. | 41.65472222, -83.77361111 | | | Wild material | | 1690703 | Ames 28219 |
| 39 | Ames 28221 | IR 56 | Eutrochium maculatum (L.) E. E. Lamont | Ohio, United States | NC7 | | Not Available | 2004 | COLLECTED | 10/19/2004 | Irwin Prairie State Nature Preserve, Lucas County. | 41.65722222, -83.78194444 | | | Wild material | | 1690690 | Ames 28221 |
| 40 | Ames 28218 | ALP 24 | Eutrochium fistulosum (Barratt) E. E. Lamont | Ohio, United States | NC7 | | | 2004 | COLLECTED | 10/07/2004 | Adams Lake Prairie State Nature Preserve, within Adams Lake State Park, Adams County. | 38.81083333, -83.53027778 | | Prairie remnant. Sun. Slight slope. Site size 10 square meters. Associated with prairie plants including Allium cernuum, Eryngium yuccifolium, Liatris, Ratibida pinnata, Rudbeckia fulgida, and Silphium trifoliatum. | Wild material | 4-6 feet in height. | 1690596 | Ames 28218 |
| 41 | Ames 28220 | PRF 26 | Eutrochium maculatum (L.) E. E. Lamont | 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. Good drainage. Site size 10 square meters. | Wild material | | 1690568 | Ames 28220 |
| 42 | Ames 25242 | Ames 25242 | Eutrochium purpureum (L.) E. E. Lamont var. purpureum | Missouri, United States | NC7 | | Not Available | 1999 | COLLECTED | 08/1998 | Washington County. | | | | Wild material | | 1575354 | Ames 25242 |
| 43 | Ames 23709 | Index Seminum 17 | Eutrochium maculatum (L.) E. E. Lamont | Ontario, Canada | NC7 | | Not Available | 1997 | COLLECTED | PRE 12/1996 | Essex County, Sandwich West Township. | 42.25000000, -83.08333333 | 180 | Moist prairie. | Wild material | | 1543308 | Ames 23709 |
| 44 | NA 74350 | 'Gateway' | Eutrochium maculatum (L.) E. E. Lamont | | NA | | Not Available | 1994 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Eutrochium maculatum (Atropurpureum Group) 'Gateway'. | 2149985 | NA 74350 |
| 45 | NA 64674 | 'Gateway' | Eutrochium maculatum (L.) E. E. Lamont | | NA | | Not Available | 1994 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Eutrochium maculatum (Atropurpureum Group) 'Gateway'. | 2147402 | NA 64674 |
| 46 | NA 59245 | NA 59245 | Eutrochium purpureum (L.) E. E. Lamont | | NA | | Not Available | 1987 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Eutrochium purpureum. | 2146565 | NA 59245 |
| 47 | NA 57607 | NA 57607 | Eutrochium maculatum (L.) E. E. Lamont | | NA | | Not Available | 1986 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Eutrochium maculatum. | 2146346 | NA 57607 |