| 0 | Ames 32810 | JDC/SA/2014/128/631 | Spiraea alba Du Roi | Iowa, United States | NC7 |  | | 2014 | COLLECTED | 10/21/2014 | Located approximately 0.75 miles east of Blairsburg, T89N, R24W NE 1/4 of Sec. 36. | 42.48218800, -93.63088000 | 376 | Roadside, remnant prairie. Canisteo and Nicollette clay loam soils (1-3 percent slopes) with depth to water table about 0-42 inches, slightly acidic and somewhat poorly drained. Very diverse flora present. | Wild material | | 1921820 | Ames 32810 |
| 1 | Ames 32769 | JDC/SA/2014/033/535 | Spiraea alba Du Roi | Iowa, United States | NC7 |  | | 2014 | COLLECTED | 09/03/2014 | Crossman Prairie State Preserve, approximately 5 miles northeast of Riceville. | 43.40777300, -92.47500720 | 413 | Remnant tallgrass prairie. Clyde-Floyd complex (1-4 percent slopes) depth to water table: 12-42 inches, 0-17 inches silty clay loam, somewhat poorly drained | Wild material | | 1921317 | Ames 32769 |
| 2 | Ames 30174 | JDC/SA/2009/034/184 | Spiraea alba Du Roi | Wisconsin, United States | NC7 |  | | 2009 | COLLECTED | 09/22/2009 | Blackhawk Unit, Lower Wisconsin State Riverway, T9N R6E SE 1/4 of NE 1/4 of Sec. 23, Black Earth Quad, Dane County | 43.24361111, -89.73972222 | 226 | Wisconsin River watershed/floodplain | Wild material | | 1819755 | Ames 30174 |
| 3 | W6 58855 | AK930-895 | Eriophorum scheuchzeri Hoppe | Alaska, United States | W6 | | | 2021 | | | | | | | Wild material | | 2116037 | W6 58855 |
| 4 | Ames 35564 | JDC/DP/2020/021/942 | Dalea purpurea Vent. | Iowa, United States | NC7 |  | | 2020 | COLLECTED | 09/17/2020 | Located approximately 0.75 miles east of Blairsburg, T89N, R24W NE 1/4 of Sec. 36, Hamilton County | 42.48218800, -93.63088000 | 376 | Roadside, remnant prairie. Canisteo and Nicollette clay loam soils (1-3 percent slopes) with depth to water table about 0-42 inches, slightly acidic and somewhat poorly drained. Very diverse flora present. | Wild material | | 2107727 | Ames 35564 |
| 5 | OPGC 7547 | JDC/AT/2020/020/941 | Asclepias tuberosa L. | Iowa, United States | OPGC | | | 2020 | COLLECTED | 09/17/2020 | Located approximately 0.75 miles east of Blairsburg, T89N, R24W NE 1/4 of Sec. 36, Hamilton County | 42.48218800, -93.63088000 | 376 | Roadside, remnant prairie. Canisteo and Nicollette clay loam soils (1-3 percent slopes) with depth to water table about 0-42 inches, slightly acidic and somewhat poorly drained. Very diverse flora present. | Wild material | | 2107726 | OPGC 7547 |
| 6 | Ames 32761 | JDC/BP/2014/034/536 | Betula pumila L. | Iowa, United States | NC7 |  | | 2014 | COLLECTED | 09/03/2014 | Crossman Prairie State Preserve, approximately 5 miles northeast of Riceville, Howard County. | 43.40777300, -92.47500720 | 413 | Remnant tallgrass prairie. | Wild material | | 1921309 | Ames 32761 |
| 7 | Ames 32767 | JDC/PV/2014/036/538 | Prunella vulgaris L. | Iowa, United States | NC7 |  | | 2014 | COLLECTED | 09/03/2014 | Crossman Prairie State Preserve, approximately 5 miles northeast of Riceville, Howard County. | 43.40777300, -92.47500720 | 413 | Remnant tallgrass prairie. | Wild material | | 1921315 | Ames 32767 |
| 8 | OPGC 4196 | JDC/LP/2014/035/537 | Liatris pycnostachya Michx. | Iowa, United States | OPGC | | | 2014 | COLLECTED | 09/03/2014 | Crossman Prairie State Preserve, approximately 5 miles northeast of Riceville, Howard County. | 43.40777300, -92.47500720 | 413 | Remnant tallgrass prairie. Associated with Aesclepias, Amorpha canescens, Andropogon gerardi, Baptisia, Betula pumila, Cornus amomum, C. racemosa, Dalea purpurea, Eryngium yuccifolium, Gentiana andrewsii, Helianthus grosseserratus, Hypericum ascyron subsp. pyramidatum, Liatris pcynostachya, Monarda fistulosa, Populus tremuloides, Prunella vulgaris, Prunus americana, Salix, Silphium laciniatum, Solidago, and Spiraea alba. | Wild material | | 1921312 | OPGC 4196 |
| 9 | OPGC 4197 | JDC/PP/2014/029/531 | Phlox pilosa L. subsp. fulgida (Wherry) Wherry | Iowa, United States | OPGC | | | 2014 | COLLECTED | 07/22/2014 | NE 1/4 of Section 36, T89N, R24W, approximately 0.75 mile east of Blairsburg, Hamilton County. | 42.48260000, -93.62550000 | 372 | Prairie remnant along abandoned railroad. Very unique and biologically diverse area, both wetland and upland prairie species nearby. Nicollet Loam (1 to 3 percent slope) depth to water table: about 12-42 inches, 0-18 inches: slightly acid, loam, somewhat poorly drained and Canisteo silty clay loam (0 to 2 percent slope) depth to water table: 0-12 inches; 0-10 inches moderately alkaline, silty clay loam; poorly drained. Associated with Amorpha canescens, Artemisia ludoviciana, Asclepias tuberosa, Coreopsis lanceolata, Dalea purpurea, Desmodium canadense, Echinacea pallida, Europhorbia esula, Liatris pycnostachya, Melilotus officinalis, Pycnanthemum virginianum, Salix humilis, Schizachyrium scoparium, Silphium laciniatum, Solidago, Spiraea alba, and Zizia aurea. | Wild material | | 1919856 | OPGC 4197 |
| 10 | Ames 32385 | Blairsburg RR ROW | Salix humilis Marshall | Iowa, United States | NC7 |  | | 2014 | COLLECTED | 03/11/2014 | Located approximately 0.75 miles east of Blairsburg, T89N, R24W NE ¼ of Sec. 36. | 42.48260000, -93.62550000 | 372 | Very unique and biologically diverse area. Nicollet loam soil (1 to 3% slope), slightly acid loam soil (somewhat poorly drained), Canisteo silty clay loam soil (0 to 2% slope), and moderately alkaline silty clay loam soil (poorly drained). Both wetland and upland prairie species nearby | Wild material | Plants sampled in nature averaged 2.0-4.0 feet in height. Tallest of four specimens was 5 feet in height. Progeny grown from original seed collected in nature (17 May 2019) when grown in cultivation (NCRPIS - Ames, Iowa) showed substantial variation in leaf morphology. Out of 50 seedlings, seven specimens are likely hybrids (Salix x conifera). Growth habit appears to be relatively uniform: small-medium sized plants (e.g. less than 6-8'), multi-branched, wide-spreading shrubs with near horizontal branching occurring near the base. | 1918672 | Ames 32385 |
| 11 | Ames 35549 | Separation from Ames 32385 | Salix ×conifera Wangenh. | Iowa, United States | NC7 |  | | 2014 | COLLECTED | 05/17/2019 | | 42.48260000, -93.62550000 | 372 | Very unique and biologically diverse area. Nicollet loam soil (1 to 3% slope), slightly acid loam soil (somewhat poorly drained), Canisteo silty clay loam soil (0 to 2% slope), and moderately alkaline silty clay loam soil (poorly drained). Both wetland and upland prairie species nearby | Wild material | Originally acquired in nature via intential sampling of Salix humilis (Ames 32385). Specimens sampled averaged 0.9 meters in height. Tallest of four specimens was 1.5 meters in height. Progeny grown from original seed collected in nature (17 May 2019) when grown in cultivation (NCRPIS - Ames, Iowa) showed substantial variation in leaf morphology. Out of 50 seedlings, seven specimens assumed to be hybrids (Salix x conifera) were selected to represent this accession. Growth habit appears to be relatively uniform: short plants (e.g. less than 6-8'), multi-branched shrubs with branching occurring near the base. Stems and petioles pubescent; adaxial and abaxial surfaces of leaves very sparsely pubescent but mid-veins relatively pubescent. Stipules present and persistent. Abaxial surfaces slightly whitish, while adaxial surfaces are slightly glossy and dark green in color. These hybrids are likely sterile; two attempts at controlled pollination failed to produce seed. | 2106732 | Ames 35549 |