| 0 | PI 255429 | | Machaeranthera tanacetifolia (Kunth) Nees | Maryland, United States | | | Historic | 1959 | DONATED | 02/09/1959 | | | | | | | 1558200 | PI 255429 |
| 1 | W6 62007 | UT070-3 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 |  | | 2024 | | | | | | | Wild material | Lots more on NE side of wash Only collected from S and W side Not all plants were fully to seed so another collection date is possible if revisited soon | 2168406 | W6 62007 |
| 2 | W6 61195 RE | NM930-525 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 |  | | 2023 | | | | | | | Wild material | Woody annual aster with yellow disk flowers and purple ray flowers with pinnately lobed leaves. In volcanic sagebrush steppe. Recollection of NM930-403
| 2142150 | W6 61195 RE |
| 3 | W6 59429 | CP3-156 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 | | | 2021 | | | | | | | Wild material | Purple ray petals. Yellow disc petals. | 2120480 | W6 59429 |
| 4 | W6 58168 | UT060-93 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 | | | 2020 | | | | | | | Wild material | Purple ray flowers with yellow disks. | 2107551 | W6 58168 |
| 5 | W6 58174 | UT933-471 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 | | | 2020 | | | | | | | Wild material | Leaves similar to Tanacetum vulgare. | 2107557 | W6 58174 |
| 6 | W6 56398 | NM930-473 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 |  | | 2019 | | | | | | | Wild material | Machaeranthera tanacetifolia | 2091583 | W6 56398 |
| 7 | W6 55540 | CP3-59 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | | | Historic | 2018 | | | | | | | Wild material | | 1970251 | W6 55540 |
| 8 | W6 55350 | CP3-59 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 |  | | 2018 | | | | | | | Wild material | Machaeranthera tanacetifolia | 1967902 | W6 55350 |
| 9 | W6 55437 | UT060-77 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 |  | | 2018 | | | | | | | Wild material | Machaeranthera tanacetifolia | 1967989 | W6 55437 |
| 10 | W6 54906 | NM930-403 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | Machaeranthera tanacetifolia | 1966133 | W6 54906 |
| 11 | W6 54371 | UT060-66 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 | | | 2018 | | | | | | | Wild material | Machaeranthera tanacetifolia | 1965088 | W6 54371 |
| 12 | W6 53473 | NM030-71 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 | | | 2018 | | | | | | | Wild material | | 1958208 | W6 53473 |
| 13 | W6 53179 | NM930-232 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1957529 | W6 53179 |
| 14 | W6 53191 | NM930-243 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1957541 | W6 53191 |
| 15 | W6 52613 | AZ040-236 | Machaeranthera tagetina Greene | Arizona, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1948934 | W6 52613 |
| 16 | W6 52584 | WY050-111 | Machaeranthera tanacetifolia (Kunth) Nees | Wyoming, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1948839 | W6 52584 |
| 17 | W6 52347 | NM030-28 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1948602 | W6 52347 |
| 18 | W6 52355 | NM030-41 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1948610 | W6 52355 |
| 19 | W6 52130 | NM030-14 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 | | | 2017 | | | | | | | Wild material | | 1947265 | W6 52130 |
| 20 | W6 52170 | NM080-8 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 | | | 2017 | | | | | | | Wild material | | 1947305 | W6 52170 |
| 21 | W6 51874 | NM018-48 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 | | | 2017 | | | | | | | Wild material | | 1947007 | W6 51874 |
| 22 | W6 51976 | UT030-239 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 | | | 2017 | | | | | | | Wild material | | 1947109 | W6 51976 |
| 23 | W6 51807 | UT060-1 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 | | | 2017 | | | | | | | Wild material | | 1943654 | W6 51807 |
| 24 | W6 51811 | UT060-7 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 | | | 2017 | | | | | | | Wild material | | 1943658 | W6 51811 |
| 25 | W6 51812 | UT060-9 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 | | | 2017 | | | | | | | Wild material | | 1943659 | W6 51812 |
| 26 | W6 51839 | UT933-398 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 | | | 2017 | | | | | | | Wild material | | 1943686 | W6 51839 |
| 27 | W6 51844 | UT933-407 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 | | | 2017 | | | | | | | Wild material | | 1943691 | W6 51844 |
| 28 | W6 51847 | UT933-417 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 | | | 2017 | | | | | | | Wild material | | 1943694 | W6 51847 |
| 29 | W6 51854 | WY932C-96 | Machaeranthera tanacetifolia (Kunth) Nees | Wyoming, United States | W6 | | | 2017 | | | | | | | Wild material | | 1943701 | W6 51854 |
| 30 | W6 50472 | WY930-77 | Machaeranthera tanacetifolia (Kunth) Nees | Colorado, United States | W6 | | | 2015 | | | | | | | Wild material | | 1930483 | W6 50472 |
| 31 | W6 49916 | CP2-78 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1926941 | W6 49916 |
| 32 | W6 49920 | CP2-82 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1926944 | W6 49920 |
| 33 | W6 49962 | WY050-86 | Machaeranthera tanacetifolia (Kunth) Nees | Wyoming, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1926986 | W6 49962 |
| 34 | W6 49816 | NM930N-147 | Machaeranthera tanacetifolia (Kunth) Nees | Colorado, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1926747 | W6 49816 |
| 35 | W6 49817 | UT933-396 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1926748 | W6 49817 |
| 36 | W6 48765 | UT030-214 | Machaeranthera tanacetifolia (Kunth) Nees | United States | W6 |  | | 2015 | | | | | | | Wild material | | 1922578 | W6 48765 |
| 37 | W6 48593 | WY930-60 | Machaeranthera tanacetifolia (Kunth) Nees | United States | W6 |  | | 2014 | | | | | | | Wild material | | 1922028 | W6 48593 |
| 38 | W6 48594 | WY932C-80 | Machaeranthera tanacetifolia (Kunth) Nees | United States | W6 |  | | 2014 | | | | | | | Wild material | | 1922029 | W6 48594 |
| 39 | W6 47719 | WY932A-108 | Machaeranthera tanacetifolia (Kunth) Nees | United States | W6 |  | | 2014 | | | | | | | Wild material | | 1919604 | W6 47719 |
| 40 | W6 47495 | WY930-32 | Machaeranthera tanacetifolia (Kunth) Nees | Colorado, United States | W6 |  | | 2014 | | | | | | | Wild material | | 1918400 | W6 47495 |
| 41 | W6 47496 | WY932C-50 | Machaeranthera tanacetifolia (Kunth) Nees | Wyoming, United States | W6 |  | | 2014 | | | | | | | Wild material | | 1918401 | W6 47496 |
| 42 | W6 46595 | UT933-265 | Machaeranthera tanacetifolia (Kunth) Nees | Utah, United States | W6 | | | 2013 | | | | | | | Wild material | | 1913697 | W6 46595 |
| 43 | W6 46364 | WY932C-27 | Machaeranthera tanacetifolia (Kunth) Nees | Wyoming, United States | W6 |  | | 2013 | | | | | | | Wild material | | 1911330 | W6 46364 |
| 44 | W6 44407 | WY010-44 | Machaeranthera tanacetifolia (Kunth) Nees | United States | W6 |  | | 2012 | | | | | | | Wild material | | 1901202 | W6 44407 |
| 45 | W6 43569 | WY932A-35 | Machaeranthera tanacetifolia (Kunth) Nees | United States | W6 |  | | 2012 | | | | | | | Wild material | | 1898642 | W6 43569 |
| 46 | W6 42588 | LLPMC-12 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1893492 | W6 42588 |
| 47 | W6 42589 | LLPMC-19 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1893493 | W6 42589 |
| 48 | W6 42590 | LLPMC-34 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1893494 | W6 42590 |
| 49 | W6 42591 | LLPMC-37 | Machaeranthera tanacetifolia (Kunth) Nees | New Mexico, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1893495 | W6 42591 |
| 50 | W6 42278 | UAH-35 | Machaeranthera tagetina Greene | Arizona, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1889629 | W6 42278 |
| 51 | W6 42279 | UAH-38 | Machaeranthera tagetina Greene | Arizona, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1889630 | W6 42279 |
| 52 | W6 35444 | WY010-2 | Machaeranthera tanacetifolia (Kunth) Nees | Wyoming, United States | W6 |  | | 2009 | | | | | | | Wild material | Height: 0.75' | 1808269 | W6 35444 |
| 53 | W6 30954 | AZ930-141 | Machaeranthera tagetina Greene | Arizona, United States | W6 |  | | 2007 | | | | | | | Wild material | Forb, Height about: 1.8 m | 1727989 | W6 30954 |
| 54 | W6 30014 | CO932-51 | Machaeranthera tanacetifolia (Kunth) Nees | Colorado, United States | W6 |  | | 2007 | | | | | | | Wild material | | 1718916 | W6 30014 |