| 0 | PI 149096 | | Xanthisma texanum DC. | Pennsylvania, United States | | | Historic | 1944 | COLLECTED | | | | | | | | 1883663 | PI 149096 |
| 1 | W6 61170 | NM080-315 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2023 | | | | | | | Wild material | Perennial herb 10-30 cm tall, from a woody, branched caudex; stems 1-30 or more per plant, branched throughout. Basal leaves once or twice pinnately lobed, 1-3 cm long and 1 cm wide; stem leaves alternate, the blades 0.2 to 8 cm long, oblong with toothed margins, the teeth 4-18 or more per side, each tipped with a white bristle. Flower heads showy, yellow, and radiate, located at branch tips. | 2142125 | W6 61170 |
| 2 | W6 61192 | NM930-522 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2023 | | | | | | | Wild material | Bright yellow flowers (ray and disk flowers are yellow), pappus is white or light brown when mature and spreads out like an umbrella. Last year's growth is apparent. | 2142147 | W6 61192 |
| 3 | W6 59470 | NM080-261 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 | | | 2021 | | | | | | | Wild material | Yellow flower with numerous thin petals (ray florets). Easily colonizing disturbed areas. Seeds with fluffy branching projections. | 2120637 | W6 59470 |
| 4 | W6 58329 | CA930A-889 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. gooddingii (A. Nelson) D. R. Morgan & R. L. Hartm. | California, United States | W6 | | Not Available | 2020 | | | | | | | Wild material | Machaeranthera pinnatifida subsp. gooddingii | 2109892 | W6 58329 |
| 5 | W6 57685 | NM050-6 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 | | Not Available | 2020 | | | | | | | Wild material | SOS 92nd Shipment | 2104983 | W6 57685 |
| 6 | W6 57698 | NM080-230 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 | | | 2020 | | | | | | | Wild material | SOS 92nd Shipment | 2104996 | W6 57698 |
| 7 | W6 56935 | AZ930-412 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | Arizona, United States | W6 |  | | 2019 | | | | | | | Wild material | | 2096882 | W6 56935 |
| 8 | W6 57018 | NM080-197 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2019 | | | | | | | Wild material | | 2096965 | W6 57018 |
| 9 | W6 57023 | NM080-204 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2019 | | | | | | | Wild material | | 2096970 | W6 57023 |
| 10 | W6 57041 | WY050-188 | Xanthisma grindelioides (Nutt.) D. R. Morgan & R. L. Hartm. var. grindelioides | Wyoming, United States | W6 |  | Not Available | 2019 | | | | | | | Wild material | | 2096988 | W6 57041 |
| 11 | W6 56379 | SOS-NM930-450 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2019 | | | | | | | Wild material | Machaeranthera pinnatifida | 2091564 | W6 56379 |
| 12 | W6 56380 | SOS-NM930-451 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2019 | | | | | | | Wild material | Machaeranthera pinnatifida | 2091565 | W6 56380 |
| 13 | W6 56383 | SOS-NM930-454 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2019 | | | | | | | Wild material | Machaeranthera pinnatifida | 2091568 | W6 56383 |
| 14 | W6 56393 | SOS-NM930-468 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2019 | | | | | | | Wild material | Machaeranthera pinnatifida | 2091578 | W6 56393 |
| 15 | W6 56397 | SOS-NM930-472 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2019 | | | | | | | Wild material | Machaeranthera pinnatifida | 2091582 | W6 56397 |
| 16 | W6 56402 | SOS-NM930-477 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2019 | | | | | | | Wild material | Machaeranthera pinnatifida | 2091587 | W6 56402 |
| 17 | W6 55576 | NM080-126 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1970287 | W6 55576 |
| 18 | W6 55623 | WY050-161 | Xanthisma grindelioides (Nutt.) D. R. Morgan & R. L. Hartm. var. grindelioides | Wyoming, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1970334 | W6 55623 |
| 19 | W6 55657 | AZ930-352 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | Arizona, United States | W6 |  | | 2018 | | | | | | | Wild material | Machaeranthera gracilis | 1970368 | W6 55657 |
| 20 | W6 54826 | NM930-320 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | Machaeranthera pinnatifida | 1966053 | W6 54826 |
| 21 | W6 54853 | NM930-348 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | Not Available | 2018 | | | | | | | Wild material | Machaeranthera pinnatifida | 1966080 | W6 54853 |
| 22 | W6 54881 | NM930-377 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | Not Available | 2018 | | | | | | | Wild material | Machaeranthera pinnatifida | 1966108 | W6 54881 |
| 23 | W6 54887 | NM930-384 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | Not Available | 2018 | | | | | | | Wild material | Machaeranthera pinnatifida | 1966114 | W6 54887 |
| 24 | W6 54890 | NM930-387 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | Machaeranthera pinnatifida | 1966117 | W6 54890 |
| 25 | W6 54905 | NM930-402 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | Machaeranthera pinnatifida | 1966132 | W6 54905 |
| 26 | W6 54908 | NM930-405 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | Machaeranthera gracilis | 1966135 | W6 54908 |
| 27 | W6 54924 | NM930-422 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | Machaeranthera pinnatifida | 1966151 | W6 54924 |
| 28 | W6 54926 | NM930-424 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | Machaeranthera pinnatifida | 1966153 | W6 54926 |
| 29 | W6 54154 | NM018-78 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | Machaeranthera gracilis | 1964871 | W6 54154 |
| 30 | W6 54169 | NM018-94 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | Machaeranthera gracilis | 1964886 | W6 54169 |
| 31 | W6 53470 | NM030-68 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | New Mexico, United States | W6 | | | 2018 | | | | | | | Wild material | | 1958205 | W6 53470 |
| 32 | W6 53181 | NM930-234 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | Not Available | 2018 | | | | | | | Wild material | | 1957531 | W6 53181 |
| 33 | W6 53182 | NM930-235 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1957532 | W6 53182 |
| 34 | W6 53202 | NM930-254 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1957552 | W6 53202 |
| 35 | W6 52708 | NM018-40 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | New Mexico, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1949029 | W6 52708 |
| 36 | W6 52719 | NM018-60 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | New Mexico, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1949040 | W6 52719 |
| 37 | W6 52351 | NM030-34 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | New Mexico, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1948606 | W6 52351 |
| 38 | W6 51758 | NM930N-143 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | New Mexico, United States | W6 | | | 2017 | | | | | | | Wild material | | 1943605 | W6 51758 |
| 39 | W6 51829 | UT080-179 | Xanthisma grindelioides (Nutt.) D. R. Morgan & R. L. Hartm. var. grindelioides | Utah, United States | W6 | | | 2017 | | | | | | | Wild material | | 1943676 | W6 51829 |
| 40 | W6 51605 | CBG-4319 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | Nebraska, United States | W6 | | Not Available | 2016 | | | | | | | Wild material | | 1942735 | W6 51605 |
| 41 | W6 49273 | NM930N-127 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | United States | W6 |  | | 2015 | | | | | | | Wild material | | 1925291 | W6 49273 |
| 42 | W6 48590 | WY932C-81 | Xanthisma grindelioides (Nutt.) D. R. Morgan & R. L. Hartm. var. grindelioides | United States | W6 |  | | 2014 | | | | | | | Wild material | | 1922025 | W6 48590 |
| 43 | W6 48591 | UT080-149 | Xanthisma grindelioides (Nutt.) D. R. Morgan & R. L. Hartm. var. grindelioides | United States | W6 |  | | 2014 | | | | | | | Wild material | | 1922026 | W6 48591 |
| 44 | W6 48592 | WY930-61 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum | United States | W6 |  | Not Available | 2014 | | | | | | | Wild material | | 1922027 | W6 48592 |
| 45 | W6 48392 | NM930N-130 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | New Mexico, United States | W6 |  | | 2014 | | | | | | | Wild material | | 1921595 | W6 48392 |
| 46 | W6 47493 | WY932C-49 | Xanthisma grindelioides (Nutt.) D. R. Morgan & R. L. Hartm. | Wyoming, United States | W6 |  | | 2014 | | | | | | | Wild material | | 1918398 | W6 47493 |
| 47 | W6 47494 | WY930-31 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. | Colorado, United States | W6 |  | | 2014 | | | | | | | Wild material | | 1918399 | W6 47494 |
| 48 | W6 46594 | MT923A-04 | Xanthisma grindelioides (Nutt.) D. R. Morgan & R. L. Hartm. | Montana, United States | W6 | | | 2013 | | | | | | | Wild material | | 1913696 | W6 46594 |
| 49 | W6 46879 | NM930N-80 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | New Mexico, United States | W6 | | | 2013 | | | | | | | Wild material | | 1914440 | W6 46879 |
| 50 | W6 46880 | NM930N-82 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | New Mexico, United States | W6 | | | 2013 | | | | | | | Wild material | | 1914441 | W6 46880 |
| 51 | W6 46363 | CO810-036 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. | Colorado, United States | W6 |  | | 2013 | | | | | | | Wild material | | 1911329 | W6 46363 |
| 52 | W6 46058 | CBG-1939 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. | Colorado, United States | W6 |  | Not Available | 2013 | | | | | | | Wild material | | 1909015 | W6 46058 |
| 53 | W6 44404 | AZ932-93 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | United States | W6 |  | | 2012 | | | | | | | Wild material | | 1901199 | W6 44404 |
| 54 | W6 43852 | CP1-111 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | Arizona, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1900239 | W6 43852 |
| 55 | W6 43149 | WY030-83 | Xanthisma grindelioides (Nutt.) D. R. Morgan & R. L. Hartm. | Wyoming, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1897946 | W6 43149 |
| 56 | W6 43568 | CO810-030 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. | Colorado, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1898641 | W6 43568 |
| 57 | W6 42949 | MSB286143 | Xanthisma texanum DC. | Texas, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1895398 | W6 42949 |
| 58 | W6 42276 | UAH-43 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. | Arizona, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1889627 | W6 42276 |
| 59 | W6 42277 | UAH- 6 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. | Arizona, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1889628 | W6 42277 |
| 60 | W6 41329 | WY930-22 | Xanthisma coloradoense (A. Gray) D. R. Morgan & R. L. Hartm. | United States | W6 |  | | 2011 | | | | | | | Wild material | | 1868936 | W6 41329 |
| 61 | W6 40233 | CO810-019 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. | Colorado, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1856036 | W6 40233 |
| 62 | W6 39112 | WY040-10 | Xanthisma grindelioides (Nutt.) D. R. Morgan & R. L. Hartm. | Wyoming, United States | W6 |  | Not Available | 2010 | | | | | | | Wild material | | 1842538 | W6 39112 |
| 63 | W6 36876 | UT080-22 | Xanthisma grindelioides (Nutt.) D. R. Morgan & R. L. Hartm. | Utah, United States | W6 |  | Not Available | 2009 | | | | | | | Wild material | | 1827185 | W6 36876 |
| 64 | W6 32538 | AZ-93005-15 | Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. | Colorado, United States | W6 |  | | 2007 | | | | | | | Wild material | | 1740294 | W6 32538 |
| 65 | W6 30964 | AZ930-0143 | Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm. | Arizona, United States | W6 |  | | 2007 | | | | | | | Wild material | Forb, Height about: 0.025-0.1 m | 1727198 | W6 30964 |