| 0 | PI 296769 | | Euthamia graminifolia (L.) Nutt. | Canada | | | Historic | 1964 | COLLECTED | | | | | | | | 1681756 | PI 296769 |
| 1 | NA 82346 | NA 82346 | Euthamia graminifolia (L.) Nutt. | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Euthamia graminifolia. Per curator: "Unknown source, may be spontaneous. Has been here and there in FV meadow since before 1987." This species is included in Freeman's checklist of plants fround naturally on USNA grounds. Form received: existing plant. | 2152891 | NA 82346 |
| 2 | OPGC 8546 | NEWFS-854 | Euthamia graminifolia (L.) Nutt. | Rhode Island, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | Veins parallel to mid vein on leaf visible each inflorescence in head is conical. | 2138889 | OPGC 8546 |
| 3 | OPGC 8547 | NEWFS-855 | Euthamia caroliniana (L.) Greene ex Porter & Britton | Rhode Island, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | Veins parallel to mid vein on leaf not visible non existent leaves wispier, more rrow than E. graminifolia. | 2138890 | OPGC 8547 |
| 4 | OPGC 8548 | NEWFS-861 | Euthamia graminifolia (L.) Nutt. | New Hampshire, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | Several fruits on one head form a tan to white bulb before ripening and spreading pappus hairs to the wind, rrow lanceolate leaves. | 2138896 | OPGC 8548 |
| 5 | OPGC 8554 | NEWFS-875 | Euthamia graminifolia (L.) Nutt. | New Hampshire, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | | 2138908 | OPGC 8554 |
| 6 | OPGC 8560 | NEWFS-892 | Euthamia graminifolia (L.) Nutt. | Massachusetts, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | Leaves alterte linear with three conspicuous veins. Composite flowers are flat headed. | 2138915 | OPGC 8560 |
| 7 | OPGC 8563 | NEWFS-897 | Euthamia graminifolia (L.) Nutt. | Rhode Island, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | Lanceolate leaves with main vein flanked by prominent side veins. | 2138920 | OPGC 8563 |
| 8 | OPGC 8567 | NEWFS-903 | Euthamia graminifolia (L.) Nutt. | Rhode Island, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | Fruits emerge attached to pappus hairs from tannish cone shaped inflorescence. | 2138926 | OPGC 8567 |
| 9 | OPGC 8569 | NEWFS-905 | Euthamia graminifolia (L.) Nutt. | Rhode Island, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | rrow leaves with distinct lateral veins parallel to main vein | 2138928 | OPGC 8569 |
| 10 | OPGC 8573 | NEWFS-914 | Euthamia graminifolia (L.) Nutt. | Connecticut, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | Leaves lanceolate and entire “grass" like often with two prominent lateral veins on either side of midvein on underside flowers gold yellow during summer | 2138934 | OPGC 8573 |
| 11 | OPGC 8579 | NEWFS-932 | Euthamia graminifolia (L.) Nutt. | Massachusetts, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | Leaves lanceolate and entire… grass like, often with two prominent lateral veins on either side of midvein on underside flowers gold yellow during summer | 2138952 | OPGC 8579 |
| 12 | OPGC 8518 | MARSB-405 | Euthamia caroliniana (L.) Greene ex Porter & Britton | New York, United States | OPGC | | | 2021 | | | | | | | Wild material | | 2137174 | OPGC 8518 |
| 13 | OPGC 8433 | NV030-1531 | Euthamia occidentalis Nutt. | Nevada, United States | OPGC | | | 2021 | | | | | | | Wild material | | 2120803 | OPGC 8433 |
| 14 | OPGC 8434 | NV030-1532 | Euthamia occidentalis Nutt. | Nevada, United States | OPGC | | | 2021 | | | | | | | Wild material | | 2120804 | OPGC 8434 |
| 15 | OPGC 5773 | NYCDPR-BBG-089 | Euthamia graminifolia (L.) Nutt. | New Jersey, United States | OPGC |  | Not Available | 2021 | | | | | | | Wild material | | 1889599 | OPGC 5773 |
| 16 | OPGC 8321 | CBG-10498 | Euthamia gymnospermoides Greene | Illinois, United States | OPGC | | | 2021 | | | | | | | Wild material | | 2120121 | OPGC 8321 |
| 17 | OPGC 8342 | CBG-10574 | Euthamia gymnospermoides Greene | Illinois, United States | OPGC | | | 2021 | | | | | | | Wild material | Plant numbers sampled estimated. | 2120165 | OPGC 8342 |
| 18 | OPGC 8343 | CBG-10575 | Euthamia graminifolia (L.) Nutt. | Illinois, United States | OPGC | | | 2021 | | | | | | | Wild material | Plant numbers sampled estimated. | 2120166 | OPGC 8343 |
| 19 | OPGC 8168 | NEWFS-410 | Euthamia graminifolia (L.) Nutt. | Maine, United States | OPGC | | | 2021 | | | | | | | Wild material | Leaf blades with few or inconspicuous resin glands, usually 3-12mm wide, plants varying from glabrous to conspicuously pubescent on stem/abaxial leaf surfaces, axillary fasicles if present, usually poorly developed and sparse. | 2115650 | OPGC 8168 |
| 20 | OPGC 8179 | NEWFS-472 | Euthamia graminifolia (L.) Nutt. | Massachusetts, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | | 2115662 | OPGC 8179 |
| 21 | OPGC 8186 | NEWFS-487 | Euthamia graminifolia (L.) Nutt. | Massachusetts, United States | OPGC | | | 2021 | | | | | | | Wild material | | 2115670 | OPGC 8186 |
| 22 | OPGC 8192 | NEWFS-519 | Euthamia graminifolia (L.) Nutt. | New Hampshire, United States | OPGC | | | 2021 | | | | | | | Wild material | | 2115677 | OPGC 8192 |
| 23 | OPGC 8200 | NEWFS-536 | Euthamia caroliniana (L.) Greene ex Porter & Britton | Connecticut, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | | 2115687 | OPGC 8200 |
| 24 | OPGC 8210 | NEWFS-581 | Euthamia graminifolia (L.) Nutt. | New Hampshire, United States | OPGC | | | 2021 | | | | | | | Wild material | | 2115711 | OPGC 8210 |
| 25 | OPGC 8218 | NEWFS-618 | Euthamia caroliniana (L.) Greene ex Porter & Britton | Rhode Island, United States | OPGC | | | 2021 | | | | | | | Wild material | Leaves < 5mm wide, axillary fascicles, growing in sandy substrate. | 2115727 | OPGC 8218 |
| 26 | OPGC 8221 | NEWFS-623 | Euthamia graminifolia (L.) Nutt. | Rhode Island, United States | OPGC | | | 2021 | | | | | | | Wild material | | 2115730 | OPGC 8221 |
| 27 | OPGC 8224 | NEWFS-825 | Euthamia graminifolia (L.) Nutt. | Massachusetts, United States | OPGC | | Not Available | 2021 | | | | | | | Wild material | Leaves alternate, linear, with three conspicuous veins. Composite flowers are flat-headed. | 2115734 | OPGC 8224 |
| 28 | OPGC 8227 | NEWFS-840 | Euthamia graminifolia (L.) Nutt. | Massachusetts, United States | OPGC | | | 2021 | | | | | | | Wild material | Leaves alternate, linear, with three conspicuous veins. Composite flowers are flat-headed. | 2115747 | OPGC 8227 |
| 29 | OPGC 8145 | MARSB-385 | Euthamia caroliniana (L.) Greene ex Porter & Britton | New Jersey, United States | OPGC | | | 2021 | | | | | | | Wild material | | 2113515 | OPGC 8145 |
| 30 | OPGC 8150 | MARSB-547 | Euthamia caroliniana (L.) Greene ex Porter & Britton | New Jersey, United States | OPGC | | | 2021 | | | | | | | Wild material | Leaf typeûleaves are simple (i.e., lobed or unlobed but not separated into leaflets)ûLeaf arrangementûalternate: there is one leaf per node along the stemûLeaf blade edgesûthe edge of the leaf blade has no teeth or lobesûFlower type in flower headsûthe flower head has tubular disk flowers in the center and ray flowers, these often strap-shaped, around the peripheryûRay flower colorûyellowûTuft or plume on fruitûat least a part of the plume is made up of fine bristlesûSpines on plantûthe plant has no spinesûLeaf blade lengthû24–70 mmûDisk flower numberû1-5û11-20û21-50û6-10 | 2113556 | OPGC 8150 |
| 31 | OPGC 8157 | MARSB-746 | Euthamia graminifolia (L.) Nutt. | New York, United States | OPGC | | | 2021 | | | | | | | Wild material | Simple, entire, alternate, linear leaves, 3-12 mm wide. Radiate yelow flower heads.û | 2113602 | OPGC 8157 |
| 32 | OPGC 8161 | MARSB-764 | Euthamia graminifolia (L.) Nutt. | New Jersey, United States | OPGC | | | 2021 | | | | | | | Wild material | Leaf typeûleaves are simple (i.e., lobed or unlobed but not separated into leaflets)ûLeaf arrangementûalternate: there is one leaf per node along the stemûLeaf blade edgesûthe edge of the leaf blade has no teeth or lobesûFlower type in flower headsûthe flower head has tubular disk flowers in the center and ray flowers, these often strap-shaped, around the peripheryûRay flower colorûyellowûTuft or plume on fruitûat least a part of the plume is made up of fine bristlesûSpines on plantûthe plant has no spinesûLeaf blade lengthû37–130 mmûDisk flower numberû1-5û11-20û6-10 | 2113610 | OPGC 8161 |
| 33 | OPGC 5933 | NV030-697 | Euthamia occidentalis Nutt. | Nevada, United States | OPGC |  | | 2021 | | | | | | | Wild material | | 1907672 | OPGC 5933 |
| 34 | OPGC 5934 | NV030-700 | Euthamia occidentalis Nutt. | Nevada, United States | OPGC |  | | 2021 | | | | | | | Wild material | | 1907673 | OPGC 5934 |
| 35 | OPGC 5832 | NV030-532 | Euthamia occidentalis Nutt. | Nevada, United States | OPGC |  | Not Available | 2021 | | | | | | | Wild material | | 1897910 | OPGC 5832 |
| 36 | OPGC 7969 | NCBG-397 | Euthamia caroliniana (L.) Greene ex Porter & Britton | North Carolina, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 2098429 | OPGC 7969 |
| 37 | OPGC 7973 | NCBG-412 | Euthamia caroliniana (L.) Greene ex Porter & Britton | Virginia, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 2098437 | OPGC 7973 |
| 38 | OPGC 7943 | NEWFS-209 | Euthamia graminifolia (L.) Nutt. | Massachusetts, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 2098161 | OPGC 7943 |
| 39 | OPGC 7932 | NEWFS-149 | Euthamia graminifolia (L.) Nutt. | New Hampshire, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 2098134 | OPGC 7932 |
| 40 | OPGC 7891 | MARSB-346 | Euthamia caroliniana (L.) Greene ex Porter & Britton | New Jersey, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 2097589 | OPGC 7891 |
| 41 | OPGC 7893 | MARSB-350 | Euthamia caroliniana (L.) Greene ex Porter & Britton | New Jersey, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 2097591 | OPGC 7893 |
| 42 | OPGC 7895 | MARSB-370 | Euthamia caroliniana (L.) Greene ex Porter & Britton | New Jersey, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 2097600 | OPGC 7895 |
| 43 | OPGC 7897 | MARSB-382 | Euthamia caroliniana (L.) Greene ex Porter & Britton | New Jersey, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 2097605 | OPGC 7897 |
| 44 | OPGC 7902 | MARSB-405 | Euthamia caroliniana (L.) Greene ex Porter & Britton | New York, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 2097616 | OPGC 7902 |
| 45 | OPGC 7910 | MARSB-727 | Euthamia caroliniana (L.) Greene ex Porter & Britton | New York, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 2097690 | OPGC 7910 |
| 46 | OPGC 7911 | MARSB-731 | Euthamia caroliniana (L.) Greene ex Porter & Britton | New York, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 2097692 | OPGC 7911 |
| 47 | OPGC 7386 | NEWFS-197 | Euthamia graminifolia (L.) Nutt. | Massachusetts, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 1976175 | OPGC 7386 |
| 48 | OPGC 7391 | NEWFS-240 | Euthamia graminifolia (L.) Nutt. | Rhode Island, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 1976187 | OPGC 7391 |
| 49 | OPGC 7402 | NEWFS-486 | Euthamia graminifolia (L.) Nutt. | Massachusetts, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 1976275 | OPGC 7402 |
| 50 | OPGC 7408 | NEWFS-562 | Euthamia graminifolia (L.) Nutt. | Connecticut, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 1976292 | OPGC 7408 |
| 51 | OPGC 6550 | MARSB-859 | Euthamia graminifolia (L.) Nutt. | New York, United States | OPGC |  | Not Available | 2018 | | | | | | | Wild material | Euthamia graminifolia | 1964858 | OPGC 6550 |
| 52 | OPGC 6365 | NEWFS-199 | Euthamia graminifolia (L.) Nutt. | Connecticut, United States | OPGC |  | Not Available | 2017 | | | | | | | Wild material | | 1954694 | OPGC 6365 |
| 53 | OPGC 6369 | NEWFS-253 | Euthamia graminifolia (L.) Nutt. | Connecticut, United States | OPGC |  | Not Available | 2017 | | | | | | | Wild material | | 1954708 | OPGC 6369 |
| 54 | OPGC 6345 | NV030-1149 | Euthamia occidentalis Nutt. | Nevada, United States | OPGC |  | | 2017 | | | | | | | Wild material | | 1949775 | OPGC 6345 |
| 55 | OPGC 6346 | NV030-1153 | Euthamia occidentalis Nutt. | Nevada, United States | OPGC |  | | 2017 | | | | | | | Wild material | | 1949777 | OPGC 6346 |
| 56 | OPGC 6118 | MARSB-0109 | Euthamia graminifolia (L.) Nutt. | New York, United States | OPGC |  | Not Available | 2015 | | | | | | | Wild material | | 1922917 | OPGC 6118 |
| 57 | OPGC 6074 | NV030-808 | Euthamia occidentalis Nutt. | Nevada, United States | OPGC |  | | 2014 | | | | | | | Wild material | | 1920604 | OPGC 6074 |
| 58 | OPGC 6075 | NV030-845 | Euthamia occidentalis Nutt. | Nevada, United States | OPGC |  | Not Available | 2014 | | | | | | | Wild material | | 1920605 | OPGC 6075 |
| 59 | OPGC 6076 | NV030-858 | Euthamia occidentalis Nutt. | California, United States | OPGC |  | Not Available | 2014 | | | | | | | Wild material | | 1920606 | OPGC 6076 |
| 60 | OPGC 6005 | UT080-99 | Euthamia occidentalis Nutt. | Utah, United States | OPGC |  | | 2014 | | | | | | | Wild material | | 1916858 | OPGC 6005 |
| 61 | OPGC 6006 | CA180-73 | Euthamia occidentalis Nutt. | California, United States | OPGC |  | | 2014 | | | | | | | Wild material | | 1916859 | OPGC 6006 |
| 62 | OPGC 5657 | NV030-303 | Euthamia occidentalis Nutt. | United States | OPGC |  | | 2010 | | | | | | | Wild material | | 1833563 | OPGC 5657 |
| 63 | OPGC 5658 | NV030-307 | Euthamia occidentalis Nutt. | Nevada, United States | OPGC |  | | 2010 | | | | | | | Wild material | | 1833564 | OPGC 5658 |
| 64 | NSL 456504 MSOS | LBJWC-1148 | Euthamia leptocephala (Torr. & A. Gray) Greene ex Porter & Britton | Texas, United States | OPGC | | Not Available | 2008 | | | | | | | Wild material | | 1797649 | NSL 456504 MSOS |
| 65 | OPGC 2910 | 220732 | Euthamia occidentalis Nutt. | Oregon, United States | OPGC |  | Not Available | 2007 | COLLECTED | 10/21/2003 | | | 768 | | Wild material | | 1718953 | OPGC 2910 |
| 66 | OPGC 2485 | KT 28 | Euthamia gymnospermoides Greene | Ohio, United States | OPGC | | Not Available | 2005 | COLLECTED | 10/04/2005 | Kitty Todd Nature Preserve. Oak Openings Region, Lucas County, southwest of Toledo - managed by the Nature Conservancy | 41.61833333, -83.79166667 | 61 | Black oak savanna | Wild material | | 1698779 | OPGC 2485 |
| 67 | OPGC 1994 | LC 14 | Euthamia gymnospermoides Greene | Ohio, United States | OPGC | | Not Available | 2004 | COLLECTED | 10/19/2004 | Louis Campbell State Nature Preserve, Lucas County | 41.59083333, -83.76194444 | | | Wild material | | 1698744 | OPGC 1994 |
| 68 | OPGC 2042 | OPGC 2042 | Euthamia gymnospermoides Greene | | | | Historic | 2004 | | | | | | | Wild material | | 1698750 | OPGC 2042 |