| 0 | OPGC 8745 | CO130-38 | Thelesperma megapotamicum (Spreng.) Kuntze | Utah, United States | OPGC | | | 2023 | | | | | | | Wild material | Population occurs in sandy soils on the bank of the San Juan river. Population mostly in flower but some seeding and occuring sporadically throughout the bank, stopping near the rocky sloped edges. Associated species: Bouteloua sp., Ambrosia artemisifoli | 2142038 | OPGC 8745 |
| 1 | OPGC 8763 | NM080-300 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC | | | 2023 | | | | | | | Wild material | Perennial herb with glabrous and glaucous stems branching from the base. Leaves are opposite and once or twice pinnately divided with filiform lobes. Flower heads are yellow and discoid, and achenes have a pappus with two sharp awns. | 2142110 | OPGC 8763 |
| 2 | OPGC 8768 | NM080-331 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC | | | 2023 | | | | | | | Wild material | Perennial herbs with several stems per plant, branching from the base, glabrous and glaucous. Leaves are opposite along the lower half to three-quarters of the stems; blades once or twice pinnately divided into linear to filiform lobes. Flower heads yellow and on the ends of long peduncles. All disc flowers, no ray flowers. Achenes are topped with a pappus of 2 stout barbed awns. | 2142141 | OPGC 8768 |
| 3 | OPGC 8774 | NM930-531 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC | | Not Available | 2023 | | | | | | | Wild material | Bright yellow flower heads of tightly bunched disk flowers. Light green stems and very narrow branching opposite leaves. Star shape on underside of flower heads. Seeds are spiky and highly variable in color: red, brown, black, white. | 2142156 | OPGC 8774 |
| 4 | OPGC 8390 | NM080-264 | Thelesperma longipes A. Gray | New Mexico, United States | OPGC | | | 2021 | | | | | | | Wild material | Leaves halfway up stem, pappus absent, outer phyllaries 1/2 length of inner phyllaries, flower yellow, single born inflorescense, terminal inflorescence | 2120640 | OPGC 8390 |
| 5 | OPGC 8286 | CBG-10077 | Thelesperma filifolium (Hook.) A. Gray | Oklahoma, United States | OPGC | | | 2021 | | | | | | | Wild material | | 2120051 | OPGC 8286 |
| 6 | OPGC 8012 | NM080-238 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC | | | 2020 | | | | | | | Wild material | SOS 92nd Shipment | 2105002 | OPGC 8012 |
| 7 | OPGC 7538 | NM080-176 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 2096949 | OPGC 7538 |
| 8 | OPGC 7428 | SOS-NM930-456 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 2091570 | OPGC 7428 |
| 9 | OPGC 7268 | NM080-104 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | | 2018 | | | | | | | Wild material | | 1970272 | OPGC 7268 |
| 10 | OPGC 7270 | NM080-109 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | | 2018 | | | | | | | Wild material | | 1970276 | OPGC 7270 |
| 11 | OPGC 7271 | NM080-111 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | | 2018 | | | | | | | Wild material | | 1970278 | OPGC 7271 |
| 12 | OPGC 7272 | NM080-112 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | | 2018 | | | | | | | Wild material | | 1970279 | OPGC 7272 |
| 13 | OPGC 7290 | NM080-94 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | | 2018 | | | | | | | Wild material | | 1970319 | OPGC 7290 |
| 14 | OPGC 7232 | NM930-342 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | | 2018 | | | | | | | Wild material | | 1966074 | OPGC 7232 |
| 15 | OPGC 7233 | NM930-344 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | | 2018 | | | | | | | Wild material | | 1966076 | OPGC 7233 |
| 16 | OPGC 7234 | NM930-349 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | | 2018 | | | | | | | Wild material | | 1966081 | OPGC 7234 |
| 17 | OPGC 7213 | NM080-55 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | | 2018 | | | | | | | Wild material | | 1964380 | OPGC 7213 |
| 18 | OPGC 7197 | NM030-76 | Thelesperma longipes A. Gray | New Mexico, United States | OPGC | | | 2018 | | | | | | | Wild material | | 1958213 | OPGC 7197 |
| 19 | OPGC 7193 | NM930-216 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | | 2018 | | | | | | | Wild material | | 1957514 | OPGC 7193 |
| 20 | OPGC 7195 | NM930-287 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | | 2018 | | | | | | | Wild material | | 1957585 | OPGC 7195 |
| 21 | OPGC 7196 | NM930-312 | Thelesperma filifolium (Hook.) A. Gray | New Mexico, United States | OPGC |  | | 2018 | | | | | | | Wild material | | 1957608 | OPGC 7196 |
| 22 | OPGC 5027 | NM930N-155 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | Not Available | 2015 | COLLECTED | 10/03/2014 | | | 1769 | | Wild material | | 1926799 | OPGC 5027 |
| 23 | OPGC 4989 | UT931-588 | Thelesperma subnudum A. Gray | Utah, United States | OPGC |  | Not Available | 2015 | COLLECTED | 2013 | | | | | Wild material | | 1925337 | OPGC 4989 |
| 24 | OPGC 4956 | THFI-SOS-WY930-58-BACA-14 | Thelesperma filifolium (Hook.) A. Gray | United States | OPGC |  | Not Available | 2014 | COLLECTED | 2014 | | | | | Wild material | | 1922082 | OPGC 4956 |
| 25 | OPGC 4884 | THME-SOS-WY930-34-BACA-13 | Thelesperma megapotamicum (Spreng.) Kuntze | Colorado, United States | OPGC |  | Not Available | 2014 | COLLECTED | 2010 | | | | | Wild material | | 1918454 | OPGC 4884 |
| 26 | OPGC 4852 | THME-SOS-NM930N-85-SANDOVAL-12 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC | | Not Available | 2013 | COLLECTED | 2012 | | | | . | Wild material | | 1914532 | OPGC 4852 |
| 27 | OPGC 4554 | 180193 | Thelesperma filifolium (Hook.) A. Gray | Texas, United States | OPGC |  | Not Available | 2011 | COLLECTED | 05/05/2002 | | | | | Wild material | | 1895383 | OPGC 4554 |
| 28 | OPGC 4555 | 284013 | Thelesperma simplicifolium (A. Gray) A. Gray | Texas, United States | OPGC |  | Not Available | 2011 | COLLECTED | 06/04/2005 | | | | Rolling hills | Wild material | | 1895384 | OPGC 4555 |
| 29 | OPGC 4523 | THME-SOS-LLPMC-1-8-10 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | Not Available | 2011 | COLLECTED | PRE 11/30/2011 | | | | | Wild material | | 1893583 | OPGC 4523 |
| 30 | OPGC 4524 | THME-SOS-LLPMC-24-10 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | Not Available | 2011 | COLLECTED | PRE 11/30/2011 | | | | | Wild material | | 1893584 | OPGC 4524 |
| 31 | FSNS 2740 | 11GC-001 | Thelesperma subnudum A. Gray | | NTSL | | Not Available | 2010 | | | | | | | Wild material | | 1868989 | FSNS 2740 |
| 32 | FSNS 2741 | 11GC-002 | Thelesperma subnudum A. Gray | | NTSL | | Not Available | 2010 | | | | | | | Wild material | | 1868990 | FSNS 2741 |
| 33 | OPGC 3235 | TX-58 | Thelesperma filifolium (Hook.) A. Gray | Texas, United States | OPGC | | Not Available | 2010 | COLLECTED | 05/29/2010 | Edwards Plateau. Comal County. Two miles Northwest of Garden Ridge; Bracken Bat Cave Preserve. | 29.68169400, -98.34205600 | 313 | Savannah openings. Land form: Ridge. Land Use: Conservation. Geology: Limestone. Soil Texture: Stony clay. Ecological Site Descriptor: Low Stony Hills. | Wild material | 60 cm tall annual or short-lived perennial, flower head to 10 cm diameter with usually 8 yellow ray petals. | 1897335 | OPGC 3235 |
| 34 | OPGC 3065 | OPGC 3065 | Thelesperma filifolium (Hook.) A. Gray | Texas, United States | OPGC | | Not Available | 2010 | COLLECTED | 11/17/2009 | Terrant County, Fort Worth, Texas. West of downtown near intersection of interstate 30 And US 183 at intersection of Greenoaks Rd. and Ridgmar Blvd. | 32.74527770, -97.43222220 | 208 | Exposure: Full sun, Aspect: North, Slope: 1-3%. Site is a prairie remnant on urbanland unaltered by construction. It is shallow to very shallow and gently sloping to sloping on convex ridgetops underlain by fractured limestone. Plant community is a prairie of mid and tall grasses interspersed with an abundance of forbes. | Wild material | | 1829990 | OPGC 3065 |
| 35 | OPGC 4407 | NM930-062 | Thelesperma megapotamicum (Spreng.) Kuntze | New Mexico, United States | OPGC |  | Not Available | 2009 | COLLECTED | 09/26/2008 | | | | Mixed shrub rolling upland | Wild material | Height greater than or equal to 1.5' | 1808178 | OPGC 4407 |
| 36 | OPGC 4367 | 276131 | Thelesperma subnudum A. Gray | Arizona, United States | OPGC |  | Not Available | 2007 | COLLECTED | 09/06/2005 | | | 1962 | | Wild material | Forb, Height about: 0.3-0.45 m | 1728092 | OPGC 4367 |