| 0 | W6 61218 RE | NV040-369 | Hymenoxys lemmonii (Greene) Cockerell | Nevada, United States | W6 |  | | 2023 | | | | | | | Wild material | Population occurs on BLM and adjacent private land. Cattle was observed at collection site. Surrounding vegetation (grasses and rushes not identifiable for associated species) was grazed but HYLE did not show signs of grazing. HYLE population in open field. Recollection of NV040-11
| 2142173 | W6 61218 RE |
| 1 | W6 59600 | CO932-408 | Hymenoxys hoopesii (A. Gray) Bierner | Colorado, United States | W6 | | | 2021 | | | | | | | Wild material | flowers: dark yellow to orange ray and disc flowers, ray flowers drooping and 2 lobed at apex; inflorescence: branching with solitary heads; leaves: dense basal rosette, leaves up stem alternate, pubescent; stem: pubescent, red at base becoming green at top | 2120766 | W6 59600 |
| 2 | W6 56976 | AZ932-137 | Hymenoxys hoopesii (A. Gray) Bierner | Arizona, United States | W6 |  | | 2019 | | | | | | | Wild material | | 2096923 | W6 56976 |
| 3 | W6 56787 | NV040-342 | Hymenoxys lemmonii (Greene) Cockerell | Nevada, United States | W6 |  | | 2019 | | | | | | | Wild material | | 2094593 | W6 56787 |
| 4 | W6 55505 | CO932-355 | Hymenoxys richardsonii (Hook.) Cockerell var. floribunda (A. Gray) K. L. Parker | Colorado, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1970216 | W6 55505 |
| 5 | W6 55547 | NM030-90 | Hymenoxys odorata DC. | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1970258 | W6 55547 |
| 6 | W6 55850 | AZ040-291 | Hymenoxys hoopesii (A. Gray) Bierner | Arizona, United States | W6 |  | | 2018 | | | | | | | Wild material | Hymenoxys hoopesii | 1970561 | W6 55850 |
| 7 | W6 54964 | NM018-143 | Hymenoxys richardsonii (Hook.) Cockerell | New Mexico, United States | W6 |  | | 2018 | | | | | | | Wild material | Hymenoxys richardsonii | 1966191 | W6 54964 |
| 8 | W6 53424 | CO150A-27 | Hymenoxys hoopesii (A. Gray) Bierner | Colorado, United States | W6 | | | 2018 | | | | | | | Wild material | | 1958159 | W6 53424 |
| 9 | W6 52713 | NM018-52 | Hymenoxys richardsonii (Hook.) Cockerell | New Mexico, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1949034 | W6 52713 |
| 10 | W6 52715 | NM018-55 | Hymenoxys richardsonii (Hook.) Cockerell | New Mexico, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1949036 | W6 52715 |
| 11 | W6 52276 | CA170-160 | Hymenoxys hoopesii (A. Gray) Bierner | California, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1948531 | W6 52276 |
| 12 | W6 50235 | NV040-230 | Hymenoxys lemmonii (Greene) Cockerell | Nevada, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1927539 | W6 50235 |
| 13 | W6 50236 | NV040-240 | Hymenoxys lemmonii (Greene) Cockerell | Nevada, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1927540 | W6 50236 |
| 14 | W6 50089 | OR931-149 | Hymenoxys hoopesii (A. Gray) Bierner | Oregon, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1927107 | W6 50089 |
| 15 | W6 50094 | OR931-154 | Hymenoxys hoopesii (A. Gray) Bierner | Oregon, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1927112 | W6 50094 |
| 16 | W6 49801 | UT933-372 | Hymenoxys richardsonii (Hook.) Cockerell | Utah, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1926734 | W6 49801 |
| 17 | W6 49446 | NV040-140 | Hymenoxys cooperi (A. Gray) Cockerell | United States | W6 |  | | 2015 | | | | | | | Wild material | | 1925565 | W6 49446 |
| 18 | W6 49447 | NV040-166 | Hymenoxys cooperi (A. Gray) Cockerell | United States | W6 |  | | 2015 | | | | | | | Wild material | | 1925566 | W6 49447 |
| 19 | W6 48578 | WY930-48 | Hymenoxys odorata DC. | United States | W6 |  | | 2014 | | | | | | | Wild material | | 1922013 | W6 48578 |
| 20 | W6 48087 | NV052A-12 | Hymenoxys lemmonii (Greene) Cockerell | Nevada, United States | W6 |  | | 2014 | | | | | | | Wild material | | 1920623 | W6 48087 |
| 21 | W6 48088 | NV052A-017 | Hymenoxys lemmonii (Greene) Cockerell | Nevada, United States | W6 |  | | 2014 | | | | | | | Wild material | | 1920624 | W6 48088 |
| 22 | W6 47694 | WY100-63 | Hymenoxys hoopesii (A. Gray) Bierner | Wyoming, United States | W6 |  | | 2014 | | | | | | | Wild material | | 1919579 | W6 47694 |
| 23 | W6 47695 | AZ932-103 | Hymenoxys richardsonii (Hook.) Cockerell | Arizona, United States | W6 |  | | 2014 | | | | | | | Wild material | | 1919580 | W6 47695 |
| 24 | W6 46854 | OR02017-HARNEY | Hymenoxys hoopesii (A. Gray) Bierner | Oregon, United States | W6 | | | 2013 | | | | | | | Wild material | | 1914417 | W6 46854 |
| 25 | W6 46855 | NM930N-88 | Hymenoxys richardsonii (Hook.) Cockerell var. floribunda (A. Gray) K. L. Parker | New Mexico, United States | W6 | | | 2013 | | | | | | | Wild material | | 1914418 | W6 46855 |
| 26 | W6 46856 | NM930N-99 | Hymenoxys richardsonii (Hook.) Cockerell var. floribunda (A. Gray) K. L. Parker | New Mexico, United States | W6 | | | 2013 | | | | | | | Wild material | | 1914419 | W6 46856 |
| 27 | W6 43320 | UT931-277 | Hymenoxys hoopesii (A. Gray) Bierner | Utah, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1898384 | W6 43320 |
| 28 | W6 43321 | UT931-379 | Hymenoxys hoopesii (A. Gray) Bierner | Utah, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1898385 | W6 43321 |
| 29 | W6 43130 | WY040-42 | Hymenoxys richardsonii (Hook.) Cockerell var. richardsonii | Wyoming, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1897927 | W6 43130 |
| 30 | W6 43544 | NV040-126 | Hymenoxys lemmonii (Greene) Cockerell | Nevada, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1898617 | W6 43544 |
| 31 | W6 43545 | NV040-128 | Hymenoxys lemmonii (Greene) Cockerell | Nevada, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1898618 | W6 43545 |
| 32 | W6 42576 | LLPMC-41 | Hymenoxys richardsonii (Hook.) Cockerell | New Mexico, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1893480 | W6 42576 |
| 33 | W6 42577 | NM930N-14 | Hymenoxys richardsonii (Hook.) Cockerell | New Mexico, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1893481 | W6 42577 |
| 34 | W6 42260 | Y090-6 | Hymenoxys hoopesii (A. Gray) Bierner | Wyoming, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1889611 | W6 42260 |
| 35 | W6 42261 | UAH-36 | Hymenoxys hoopesii (A. Gray) Bierner | Arizona, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1889612 | W6 42261 |
| 36 | W6 34214 | ID075-75 | Hymenoxys hoopesii (A. Gray) Bierner | Idaho, United States | W6 |  | | 2009 | | | | | | | Wild material | | 1798468 | W6 34214 |
| 37 | W6 32615 | AZ-93206-23 | Hymenoxys richardsonii (Hook.) Cockerell var. richardsonii | Arizona, United States | W6 |  | | 2007 | | | | | | | Wild material | | 1740360 | W6 32615 |
| 38 | W6 32624 | AZ-93206-33 | Hymenoxys hoopesii (A. Gray) Bierner | Arizona, United States | W6 |  | | 2007 | | | | | | | Wild material | | 1740368 | W6 32624 |
| 39 | W6 30970 | AZ932-012 | Hymenoxys richardsonii (Hook.) Cockerell | Arizona, United States | W6 |  | | 2007 | | | | | | | Wild material | Forb, Height about: 0.15-0.3 m | 1727201 | W6 30970 |
| 40 | W6 30305 | CO932-81 | Hymenoxys hoopesii (A. Gray) Bierner | Colorado, United States | W6 |  | | 2007 | | | | | | | Wild material | | 1719052 | W6 30305 |
| 41 | W6 26873 | NV052-54 | Hymenoxys cooperi (A. Gray) Cockerell | Nevada, United States | W6 |  | Not Available | 2005 | | | | | | | Wild material | Erect herb 0.3-0.6 meters tall. | 1673912 | W6 26873 |