| 0 | W6 62948 | DWY00-10 | Asclepias speciosa Torr. | Wyoming, United States | W6 |  | | 2025 | | | | | | | Wild material | Population was spread out along the river 3+ acres will be coming back to collect more. | 2196124 | W6 62948 |
| 1 | W6 61571 | CA350-142 | Asclepias speciosa Torr. | California, United States | W6 |  | | 2024 | | | | | | | Wild material | Plants are located on the S side of Smoke Creek Rd outside of a nearby BLM exclosure | 2168020 | W6 61571 |
| 2 | W6 61787 | MT050-81 | Asclepias speciosa Torr. | Montana, United States | W6 |  | | 2024 | | | | | | | Wild material | Flower color is a light pink Leaves board and somewhat hairy Stem is filled with a thick milky substance | 2168234 | W6 61787 |
| 3 | OPGC 8769 | NM930-523 | Asclepias speciosa Torr. | New Mexico, United States | OPGC | | | 2023 | | | | | | | Wild material | Plants are 1+ meter tall, showy pink/purple flower clusters (distinct star shape), oblong opposite leaves, seeds in large pods with soft spines, seeds attached to fuzzy white hairs to assist with dispersal. Pods split open when mature. Growing along Rio Chama below dam, high flow control. | 2142148 | OPGC 8769 |
| 4 | OPGC 8780 | NV060-15 | Asclepias speciosa Torr. | Nevada, United States | OPGC | | | 2023 | | | | | | | Wild material | By mid-September, individuals had developed pods. Patches are scattered along gravel road between old farm buildings and Old River Rd. Collect a voucher next season: 40.662005, -116.924652. Most plants occur in difficult to access areas like dense willow | 2142199 | OPGC 8780 |
| 5 | OPGC 8693 | UT080-298 | Asclepias speciosa Torr. | Utah, United States | OPGC | | | 2022 | | | | | | | Wild material | red/purple flowers, rhizomatous, opposite grey/green leaves. milky sap. seed pods pointing up. | 2139108 | OPGC 8693 |
| 6 | OPGC 8642 | CA370-282 | Asclepias speciosa Torr. | California, United States | OPGC |  | | 2022 | | | | | | | Wild material | A hairy erect perennial with large, opposite arranged leaves. Fuzzy star-like pink to pinkish-purple flowers are arranged in thick umbels. The fruit is large and covered in soft spines. | 2138484 | OPGC 8642 |
| 7 | OPGC 8423 | CO932-416 | Asclepias speciosa Torr. | Colorado, United States | OPGC |  | | 2021 | | | | | | | Wild material | Unbranched erect stem, leaves opposite, larger, lance-ovate, pubescent, solitary umbels, dense white pubescent, terminal, corolla pink-cream, horns present | 2120774 | OPGC 8423 |
| 8 | OPGC 8428 | NV030-1510 | Asclepias speciosa Torr. | Nevada, United States | OPGC | | | 2021 | | | | | | | Wild material | | 2120787 | OPGC 8428 |
| 9 | OPGC 8123 | NV030-1451 | Asclepias speciosa Torr. | Nevada, United States | OPGC | | | 2020 | | | | | | | Wild material | Erect stems, whorled leaf arrangement, pointed leaf tips, hairy leaves. | 2110398 | OPGC 8123 |
| 10 | OPGC 8084 | ID320-117 | Asclepias speciosa Torr. | Idaho, United States | OPGC | | | 2020 | | | | | | | Wild material | Leaves petiolate, oblong-lanceolate. | 2107616 | OPGC 8084 |
| 11 | OPGC 8057 | ID310-40 | Asclepias speciosa Torr. | Idaho, United States | OPGC | | | 2020 | | | | | | | Wild material | Leaves petiolate, oblong-lanceolate. | 2107486 | OPGC 8057 |
| 12 | OPGC 8058 | ID310-41 | Asclepias speciosa Torr. | Idaho, United States | OPGC | | | 2020 | | | | | | | Wild material | Leaves, petiolate, oblong-lanceolate. | 2107487 | OPGC 8058 |
| 13 | OPGC 8059 | ID310-42 | Asclepias speciosa Torr. | Idaho, United States | OPGC | | | 2020 | | | | | | | Wild material | Petiolate leaves, oblong-lanceolate leaves. | 2107488 | OPGC 8059 |
| 14 | OPGC 7450 | CP4-30 | Asclepias speciosa Torr. | Colorado, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 2092027 | OPGC 7450 |
| 15 | OPGC 6506 | UT030-274 | Asclepias speciosa Torr. | Utah, United States | OPGC |  | | 2018 | | | | | | | Wild material | | 1964416 | OPGC 6506 |
| 16 | OPGC 2888 | 177434 | Asclepias speciosa Torr. | Idaho, United States | OPGC |  | | 2005 | COLLECTED | 09/13/2002 | | | 700 | Pond edge. Associated with Typha latifolia, Helianthus annuus, Kochia scoparia, Melilotus alba, Setaria viridis. | Wild material | Forb .3-1.2 meters tall. | 1674001 | OPGC 2888 |
| 17 | PI 710482 | CBG-7511 | Desmanthus illinoensis (Michx.) MacMill. ex B. L. Rob. & Fernald | Nebraska, United States | S9 |  | | 2017 | | | | | | | Wild material | | 1954797 | PI 710482 |
| 18 | PI 698948 | CBG-1818 | Echinochloa crus-galli (L.) P. Beauv. | Wyoming, United States | NC7 |  | | 2013 | | | | | | | Wild material | | 1908841 | PI 698948 |
| 19 | PI 664640 | 205300 | Helianthus nuttallii Torr. & A. Gray subsp. nuttallii | California, United States | NC7 |  | | 2005 | COLLECTED | 10/10/2003 | Fish Slough along Eastside Rd at BLM spring, Inyo County | | 1275 | Alkali wetland. Associated with Phragmites australis, Sporobolis airoides, Solidago spectabilis, Apocynum cannabinum and Asclepias speciosa. | Wild material | Forb 1.5-2.4 meters tall; large population | 1674386 | PI 664640 |
| 20 | W6 62537 | FWS0300-151 | Lespedeza capitata Michx. | Michigan, United States | W6 |  | | 2025 | | | | | | | Wild material | | 2192235 | W6 62537 |
| 21 | Ames 36256 | Plymouth County | Astragalus crassicarpus Nutt. | Iowa, United States | NC7 |  | | 2024 | COLLECTED | 07/10/2024 | Private property located approximately 4.95 miles southeast of Westfield along North Ridge Road T91N R48W SE 1/4 Sec. 8 (site #1) and also T91N R48W SW 1/4 NW 1/4 Sec 16 (site #2). | 42.70896900, -96.53007200 | 434 | Prairie remnant. | Wild material | | 2168687 | Ames 36256 |
| 22 | W6 61558 | CA340-47 | Achillea millefolium L. | California, United States | W6 |  | | 2024 | | | | | | | Wild material | | 2168007 | W6 61558 |
| 23 | OPGC 8796 | UT010-6 | Peritoma lutea (Hook.) Raf. | Utah, United States | OPGC | | | 2023 | | | | | | | Wild material | | 2142755 | OPGC 8796 |
| 24 | W6 61310 | UT010-5 | Sporobolus airoides (Torr.) Torr. | Utah, United States | W6 |  | | 2023 | | | | | | | Wild material | | 2142754 | W6 61310 |
| 25 | Ames 36031 | Brushy Creek (Root Cellar) | Baptisia bracteata Muhl. ex Elliott | Iowa, United States | NC7 |  | | 2023 | COLLECTED | 08/11/2022 | Brushy Creek State Recreation Area located approximately 9.8 miles southwest of Webster City, T88N R27W NE1/4 NE1/4 Sec. 28 | 42.41169000, -93.99375000 | 327 | High quality, biologically diverse prairie remnant with a slight northeast-facing slope. | Wild material | | 2141745 | Ames 36031 |
| 26 | W6 63340 | Anderson Prairie | Amorpha canescens Pursh | Iowa, United States | W6 | | | 2023 | COLLECTED | 09/23/2022 | Anderson Prairie State Preserve located approximately 2.0 miles north of Estherville, T100N R34W NW 1/4 Sec. 36. | 43.43906800, -94.87472300 | 412 | Diverse remnant prairie with rolling hills and mesic soil. | Wild material | | 2141750 | W6 63340 |
| 27 | Ames 35886 | Hook Larson Prairie | Heuchera richardsonii R. Br. | Illinois, United States | NC7 |  | | 2022 | COLLECTED | 06/22/2022 | Nachusa Grasslands (Hook Larson Prairie) located approximately 5.07 miles northwest of Franklin Grove just north of West Stone Barn Road, T22N R10E NE 1/4 SE 1/4 NE 1/4 Sec. 17. | 41.89738600, -89.36123100 | 236 | High-quality prairie remnant with thick vegetation managed with infrequent burning. Various small remnants within immediate area. | Wild material | | 2138219 | Ames 35886 |
| 28 | OPGC 8639 | CA370-281 | Apocynum androsaemifolium L. | California, United States | OPGC |  | | 2022 | | | | | | | Wild material | Widely branching, perennial plant with oval leaves and small clusters of pink, bell shaped flowers near the branch tips. The flowers are stripped on the inside with a darker pink. Milky sap exudes from broken stems and leaves. | 2138477 | OPGC 8639 |
| 29 | OPGC 8365 | CA170-255 | Apocynum cannabinum L. | California, United States | OPGC | | | 2021 | | | | | | | Wild material | Perennial forb with white flowers and opposite petioled leaves; milky latex; fruits are pairs of long slender capsules that dehisce and release wind dispersed seeds at maturity. | 2120350 | OPGC 8365 |
| 30 | OPGC 8367 | CA170-259 | Solidago spectabilis (D. C. Eaton) A. Gray | California, United States | OPGC | | | 2021 | | | | | | | Wild material | Perennial forb with linear petioled leaves the largest toward the base of plant; inflorescence panicle-shaped; leaves and heads glabrous; phyllaries lanceolate | 2120354 | OPGC 8367 |
| 31 | OPGC 7555 | OPGC 7555 | Penstemon bradburyi Pursh | Nebraska, United States | OPGC |  | | 2020 | COLLECTED | 08/18/2020 | Located approximately 6.15 miles northeast of St Paul, T15N R9W NE1/4 NE1/4 Sec. 28, Howard County | 41.24796700, -98.34919400 | 557 | Native grassland used as pasture. | Wild material | | 2110279 | OPGC 7555 |
| 32 | OPGC 7554 | Liska-Stanek State Preserve | Liatris pycnostachya Michx. | Iowa, United States | OPGC |  | | 2020 | COLLECTED | 09/21/2020 | Liska-Stanek Prairie located approximately 6.0 miles southwest of Fort Dodge on County Road P-51, Webster County | 42.41349000, -94.22404400 | 317 | Mesic prairie with potholes. | Wild material | Plants sampled in nature were approximately 4 feet in height with peak flowering occurring around the 25 of July (2020). | 2107745 | OPGC 7554 |
| 33 | Ames 35581 | Steele Prairie | Drymocallis arguta (Pursh) Rydb. | Iowa, United States | NC7 |  | | 2020 | COLLECTED | 10/02/2020 | T. H. Steele Prairie State Preserve located approximately 8.75 miles north-northwest of Cherokee, Cherokee County | 42.87654900, -95.58243700 | 429 | Remnant prairie. | Wild material | Plants sampled in nature were approximately 1.5 feet in height. | 2107744 | Ames 35581 |
| 34 | W6 57099 | MARSB-246 | Tridens flavus (L.) Hitchc. | New York, United States | W6 |  | | 2019 | | | | | | | Wild material | | 2097538 | W6 57099 |
| 35 | W6 56631 | CBG-8948 | Glycyrrhiza lepidota Pursh | Iowa, United States | W6 |  | | 2019 | | | | | | | Wild material | | 2092730 | W6 56631 |
| 36 | W6 56485 | CA930A-760 | Chaenactis fremontii A. Gray | California, United States | W6 |  | | 2019 | | | | | | | Wild material | | 2091988 | W6 56485 |
| 37 | W6 55450 | UT080-229 | Sphaeralcea parvifolia A. Nelson | Utah, United States | W6 |  | | 2018 | | | | | | | Wild material | Sphaeralcea parvifolia | 1968002 | W6 55450 |
| 38 | W6 53059 | CBG-7504 | Glycyrrhiza lepidota Pursh | Nebraska, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1954810 | W6 53059 |
| 39 | W6 50308 | OR110-754 | Purshia tridentata (Pursh) DC. | Oregon, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1927608 | W6 50308 |
| 40 | OPGC 4241 | JDC/PP/2015/058/715 | Phlox pilosa L. subsp. fulgida (Wherry) Wherry | Iowa, United States | OPGC |  | | 2015 | COLLECTED | 07/20/2015 | T88N, R27W Sec. 28. Brushy Creek State Recreation Area, Webster County. | 42.41169000, -93.99375000 | 327 | High quality, biologically diverse prairie remnant. Slight northeast-facing slope. Associated with Amorpha canescens, Artemisia ludoviciana, Asclepias tuberosa, Baptisia leucophea, Lithospermum canescens, Astragalus americanus, Corylus americana, Echinacea pallida, Eryngium yuccifolium, Liatris pycnostachya, Potentilla arguta, Liatris aspera, Malus ioensis, Ceanothus americanus, Pycnanthemum virginianum, Silene stellata, Salix, Schizachyrium scoparium, Silphium laciniatum, Dalea purpurea, Dalea candida, Solidago rigida, and Solidago speciosa. | Wild material | | 1927165 | OPGC 4241 |
| 41 | OPGC 7137 | UT080-158 | Apocynum androsaemifolium L. | Utah, United States | OPGC |  | | 2015 | | | | | | | Wild material | | 1926970 | OPGC 7137 |
| 42 | W6 46035 | CBG-1778 | Juncus interior Wiegand | Colorado, United States | W6 |  | | 2013 | | | | | | | Wild material | | 1909011 | W6 46035 |
| 43 | W6 43744 | WY010-46 | Elymus canadensis L. | Wyoming, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1900135 | W6 43744 |