| macleaya cordata | | USA: District of Columbia; US National Arboretum, National Herb Garden | | 1243025701 |
| macleaya cordata | | USA: District of Columbia; US National Arboretum, National Herb Garden | | 1243024639 |
| macleaya cordata | | USA: District of Columbia; US National Arboretum, National Herb Garden | | 1243024241 |