| 0 | NA 84199 | NA 84199 | Xanthorhiza simplicissima Marshall | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Xanthorhiza simplicissima. Old plant growing in Fern Valley bed 17; according to Angela Magnan this appears to be morphologically distinct from NA 13572, which appears on old map #6 in the vicinity (but across the stream in present-day bed FV-13). Form received: unknown propagule type. | 2153567 | NA 84199 |
| 1 | NA 72899 | NA 72899 | Xanthorhiza simplicissima Marshall | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Xanthorhiza simplicissima. Form received: unknown propagule type. | 2149372 | NA 72899 |
| 2 | WLP 165 | NACPEC19-048 | Xanthorhiza simplicissima Marshall | Georgia, United States | NA | | Not Available | 2019 | COLLECTED | 09/14/2019 | Walker County; Lula Lake Land Trust: South bank of Rock Creek, below bridge from Loop Trail | 34.92141100, -85.38034000 | 427 | Riparian zone, wet slope of creek, moist, sandy banks | Wild material | | 2110477 | WLP 165 |
| 3 | NA 86234 | NACPEC19-013 | Xanthorhiza simplicissima Marshall | Kentucky, United States | NA | | Not Available | 2019 | COLLECTED | 09/08/2019 | Menifee County; ; Daniel Boone National Forest: Red River Gorge Area: 1/2 mile west of where Sheltowee Trace crosses Red River, on north bank of Red River. | 37.82308000, -83.62718000 | 241 | Mixed mesophytic forest on north bank of river, growing in alluvial, sandy soil. | | Seeds collected from one plant. Five herbarium specimens collected; photographed. DNA sample collection number: DENG8213. | 2109142 | NA 86234 |
| 4 | NA 83897 | PCCKY16-024 | Xanthorhiza simplicissima Marshall | Kentucky, United States | NA | | | 2016 | COLLECTED | 09/27/2016 | Cumberland Falls State Park, Cumberland Falls Visitor Center. Beach north of visitor center outlook trail, boulders north of large sycamore with exposed root flare and hole in trunk base. | 36.84200000, -84.34200000 | 252 | Beach, with boulders. | Wild material | | 1952452 | NA 83897 |
| 5 | NA 83920 | NA 83920 | Xanthorhiza simplicissima Marshall | Kentucky, United States | NA | | Not Available | 2016 | COLLECTED | 09/28/2016 | Cumberland Falls State Park; Cumberland Falls Trail #2 (Cumberland River Trail) at river's edge. | 36.83800000, -84.33200000 | 267 | River's edge below Juniperus virginiana and above rock. | | | 1953245 | NA 83920 |
| 6 | NA 82224 | NA 82224 | Xanthorhiza simplicissima Marshall | | NA | | Not Available | 2014 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Xanthorhiza simplicissima. | 2152857 | NA 82224 |
| 7 | WLP 1941 | RL 08156 | Xanthorhiza simplicissima Marshall | | NA | | | 2008 | COLLECTED | PRE 10/15/2008 | South Carolina, Oconee County, West of Highway 107, at Burrell Ford, east side of river, near bridge. | | | | Wild material | | 1896115 | WLP 1941 |
| 8 | NA 78026 | NA 78026 | Xanthorhiza simplicissima Marshall | Alabama, United States | NA | | Not Available | 2008 | COLLECTED | 09/17/2008 | Along Little Ugly Creek, tributaty to the Cahaba River, on dirt road off of Cahaba River Drive near confluence of creek and river. | | | Rich deciduous forest at base of slope at roadside. | | | 1952729 | NA 78026 |
| 9 | WLP 1940 | RL 08047 | Xanthorhiza simplicissima Marshall | | NA | | | 2008 | COLLECTED | PRE 09/08/2008 | South Carolina, Pickens County, Along Rocky Fork adjacent to Highway 11. | | | | Wild material | | 1896061 | WLP 1940 |
| 10 | NA 72090 | NA 72090 | Xanthorhiza simplicissima Marshall | Virginia, United States | NA | | Not Available | 2002 | COLLECTED | 08/22/2001 | Henry County,Virginia trial below Philkpot Dam along the Smith river | 36.78194444, -80.03055556 | 260 | Growning in part sun with, aspect north, soil: deep organic litter. | Wild material | | 1643592 | NA 72090 |
| 11 | Ames 26064 | D1996-0928 | Xanthorhiza simplicissima Marshall | West Virginia, United States | | | Historic | 2000 | COLLECTED | PRE 10/01/1996 | Along New River, near Hawks Nest State Park, Fayette County. | | | Wooded streambanks. | Wild material | | 1599989 | Ames 26064 |
| 12 | NA 52307 | NA 52307 | Xanthorhiza simplicissima Marshall | | NA | | Not Available | 1983 | | | | | | | | | 1952188 | NA 52307 |
| 13 | NA 13572 | NA 13572 | Xanthorhiza simplicissima Marshall | | NA | | Not Available | 1959 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Xanthorhiza simplicissima. PO # SF 44-ARS-175050 | 2143520 | NA 13572 |