| 0 | Ames 35881 | Reichelt Unit | Heuchera richardsonii R. Br. | Iowa, United States | NC7 |  | | 2022 | COLLECTED | 06/30/2022 | Reichelt Unit of Rock Creek State Park on south side of US highway 6 located 7.70 miles west, southwest of Grinnell, T80N R17W SE ¼ SE ¼ Sec. 30. | 41.70311300, -92.86569100 | 274 | Prairie remnant. Hilltop/knoll. | Wild material | Plants in nature measuring approximately six to eight inches in height with flowering stalks reaching up to three feet in height. | 2138180 | Ames 35881 |
| 1 | Ames 35806 | Reichelt Prairie | Salix humilis Marshall var. tristis (Aiton) Griggs | Iowa, United States | NC7 |  | | 2022 | COLLECTED | 05/16/2022 | Reichelt Unit of Rock Creek State Park on south side of US highway 6 approximately 7.70 miles west, southwest of Grinnell, T80N R17W SE ¼ SE ¼ Sec. 30. | 41.70311300, -92.86569100 | 274 | Xeric prairie remnant. Hilltop/knoll. | Wild material | Plants sampled in nature measuring 2.0-4.0 feet in height. Specimens noted during peak flowering and seed dispersal on 21 April and 17 May (2022), respectively. Some plants upright and some rather prostrate. Site was mowed in winter 2020/2021 winter resulting in significant flowering in 2022. In cultivation (central Iowa), plants are extremely short and compact where after two field seasons plants are rather uniform and topping out at a height of 2.5'. Dense suckering immediately surrounding clump/base of plant. Peak fall color (central Iowa) occurring in mid-November. | 2137912 | Ames 35806 |
| 2 | Ames 35804 | Kuehn Prairie | Salix humilis Marshall var. tristis (Aiton) Griggs | Iowa, United States | NC7 |  | | 2022 | COLLECTED | 05/12/2022 | Kuehn Conservation Area located 4.90 miles north of Earlham on east side of Houston Trail Road, T78N R29W SE ¼ SE ¼ Sec. 12. | 41.56328500, -94.12929100 | 313 | Xeric prairie remnant. Hilltop/knoll. | Wild material | Plants in nature measuring approximately 2.0-2.5' in height. Specimens noted during peak flowering and seed dispersal on 9 April and 1 May (2021), respectively. Normally for central Iowa peak flowering and fruiting occurs in late April and mid-May, respectively. | 2137910 | Ames 35804 |
| 3 | Ames 34341 | Sheeder Prairie | Drymocallis arguta (Pursh) Rydb. | Iowa, United States | NC7 |  | | 2018 | COLLECTED | 09/06/2018 | Sheeder Prairie State Preserve located approximately 4.45 miles west, northwest of Guthrie Center, T80N R32W SW 1/4 SW 1/4 Sec. 33, Guthrie County | 41.68949600, -94.58847900 | 366 | High-quality native prairie remnant. | Wild material | | 1967543 | Ames 34341 |
| 4 | Ames 34342 | Sheeder | Echinacea pallida (Nutt.) Nutt. | Iowa, United States | NC7 |  | | 2018 | COLLECTED | 09/06/2018 | Sheeder Prairie State Preserve located approximately 4.45 miles west, northwest of Guthrie Center, T80N R32W SW 1/4 SW 1/4 Sec. 33 | 41.68949600, -94.58847900 | 366 | High-quality native prairie remnant. | Wild material | | 1967544 | Ames 34342 |
| 5 | Ames 34343 | Sheeder | Monarda fistulosa L. | Iowa, United States | NC7 |  | | 2018 | COLLECTED | 09/06/2018 | Sheeder Prairie State Preserve located approximately 4.45 miles west, northwest of Guthrie Center, T80N R32W SW 1/4 SW 1/4 Sec. 33 | 41.68949600, -94.58847900 | 366 | High-quality native prairie remnant. | Wild material | | 1967545 | Ames 34343 |
| 6 | Ames 33972 | Ames 33972 | Polytaenia nuttallii DC. | Iowa, United States | NC7 |  | | 2017 | COLLECTED | 07/28/2017 | Sheeder Prairie State Preserve located approximately 4.45 miles west, northwest of Guthrie Center, T80N R32W SW 1/4 SW 1/4 Sec. 33 | 41.68949600, -94.58847900 | 366 | High-quality native prairie remnant. Dry, rocky habitat. | Wild material | A monocarpic perennial. | 1950055 | Ames 33972 |
| 7 | OPGC 5077 | OPGC 5077 | Phlox pilosa L. subsp. fulgida (Wherry) Wherry | Iowa, United States | OPGC | | | 2017 | COLLECTED | 06/28/2017 | Sheeder Prairie State Preserve located approximately 4.45 miles west, northwest of Guthrie Center, T80N R32W SW 1/4 SW 1/4 Sec. 33 | 41.68949600, -94.58847900 | 366 | High-quality native prairie remnant. Dry, rocky habitat. Growing in association with Ceanothus herbaceous, Asclepias tuberosa, Bromus inermis, Dalea purpurea, Dalea candida, Sporobolus heterolepis, Hesperostipa spartea, Zizia aurea, Amorpha canescens, Polytaenia nuttallii, sisyrinchium angustifolium, Tradescantia bracteata, Liatris squarrosa, Astragulus canadensis, Asclepias viridis, Schizachyrium scoparium, Andropogon gerardii, Comandra umbellata, Lespedeza capitata, Viola pedatifida, Anemone cylindrica, Euphorbia corollata, Oligoneruon rigidum, and Lilium philadelphicum. | Wild material | | 1950054 | OPGC 5077 |
| 8 | W6 49622 | CBG-2635 | Amorpha canescens Pursh | Wisconsin, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1926088 | W6 49622 |