| 0 | Ames 32965 | JDC/BA/2015/051/708 | Betula alleghaniensis Britton | Iowa, United States | NC7 | | | 2015 | COLLECTED | 09/15/2015 | Yellow River State Forest, T97N R4W northern edge of SW 1/4 NW 1/4 Sec. 36 | 43.17782100, -91.26584600 | 227 | North-facing algific talus slope (45-60 degrees) adjacent to Paint Creek. Moist deciduous woods. Growing in association with Fraxinus nigra, Staphylea trifolia, Carpinus caroliniana, Quercus rubra, Acer saccharum, Cornus alternifolia, Amelanchier arborea, Ostrya virginiana, Viburnum opulus var. americanum, Cornus rugosa, Cornus alternifolia, Zanthoxylum americanum, Viburnum rafinesqueanum, Cypripedium pubescens, Ribes sp.,Corylus sp., Juniperus virginiana, Dirca palustris, Ulmus thomasii, Prunella vulgaris, Diervilla lonicera, Quercus macrocarpa, Carya cordiformis, Taxus canadensis, Tilia americana, Adiantum pedatum, and Aconitum noveboracense. | Wild material | | 1927435 | Ames 32965 |
| 1 | Ames 32966 | JDC/VA/2015/052/709 | Viburnum opulus L. var. americanum Aiton | Iowa, United States | NC7 |  | | 2015 | COLLECTED | 09/15/2015 | Yellow River State Forest, T97N R4W northern edge of SW 1/4 NW 1/4 Sec. 36 Allamakee County. | 43.17778200, -91.26642800 | 239 | North-facing algific talus slope (45-60 degrees) adjacent to Paint Creek. Moist deciduous woods. Growing in association with Fraxinus nigra, Staphylea trifolia, Carpinus caroliniana, Quercus rubra, Acer saccharum, Cornus alternifolia, Amelanchier arborea, Ostrya virginiana, Betula alleghaniensis, Cornus rugosa, Cornus alternifolia, Zanthoxylum americanum, Viburnum rafinesqueanum, Cypripedium pubescens, Ribes sp.,Corylus sp., Juniperus virginiana, Dirca palustris, Ulmus thomasii, Prunella vulgaris, Diervilla lonicera, Quercus macrocarpa, Carya cordiformis, Taxus canadensis, Tilia americana, Adiantum pedatum, and Aconitum noveboracense. | Wild material | Formerly known as Viburnum trilobum, this collection based on morphological characters (convex glands) appears to be true-to-type for Viburnum opulus var. americanum. Vigorous early spring growth and good tolerance to late spring frosts. | 1927436 | Ames 32966 |
| 2 | Ames 32823 | JDC/EA/2014/141/644 | Euonymus atropurpureus Jacq. | Iowa, United States | NC7 | | Not Available | 2014 | COLLECTED | 10/29/2014 | Backbone State Park Delaware County approximately 4.6 miles south southwest of Strawberry Point, Iowa T90N R6W NW 1/4 NW 1/4 Sec. 16 | 42.61299400, -91.56766600 | 333 | Scattered speicmens throughout deciduous woods. Growing in association with Corylus americana, Carya ovata, Quercus rubra, Viburnum lentago, Acer saccharum, Ribes sp., and Rubus occidentalis. | Wild material | | 1921783 | Ames 32823 |
| 3 | Ames 32824 | JDC/DL/2014/142/645 | Diervilla lonicera Mill. | Iowa, United States | NC7 |  | | 2014 | COLLECTED | 10/29/2014 | Backbone State Park located approximately 4.60 miles south southwest of Strawberry Point, T90N R6W NE 1/4 Sec. 16. | 42.61091600, -91.55377200 | 322 | Steep north-facing slope. | Wild material | | 1921784 | Ames 32824 |
| 4 | Ames 27313 | 22 | Staphylea trifolia L. | Iowa, United States | NC7 |  | | 2003 | COLLECTED | 09/15/2003 | Backbone State Park Cave near Strawberry Point, T90N, R6W NE corner of NW 1/4 of SW 1/4 of Sec. 4, Delaware County | 42.63694444, -91.56194444 | 317 | Alluvium below limestone cave. Nearly full shade. Slight slope w/ SE aspect. Loam soil w/ some stoniness, good drainage | Wild material | Medium to large shrubs. Heavy fruit production. | 1649470 | Ames 27313 |