| echinacea pallida | | USA: District of Columbia; United States National Arboretum, 3501 New York Ave, NE. Corner of Ellipse Rd NE &38; Beechwood Road | | 1243023020 |
| echinacea pallida | | USA: District of Columbia; United States National Arboretum, 3501 New York Ave, NE. Corner of Ellipse Rd NE &38; Beechwood Road | | 1243023530 |
| echinacea pallida | | USA: District of Columbia; United States National Arboretum, 3501 New York Ave, NE. Corner of Ellipse Rd NE &38; Beechwood Road | | 1243024383 |
| echinacea pallida | | USA: District of Columbia; United States National Arboretum, 3501 New York Ave, NE. Corner of Ellipse Rd NE &38; Beechwood Road | | 1243025533 |
| echinacea pallida | | USA: District of Columbia; United States National Arboretum, 3501 New York Ave, NE. Corner of Ellipse Rd NE &38; Beechwood Road | | 1243024467 |