| sisyrinchium sp. ingram 18 | | USA: District of Columbia; US National Arboretum, Fern Valley. Right side after entering from Crabtree Rd. entrance | | 1243024365 |
| sisyrinchium sp. ingram 18 | | USA: District of Columbia; US National Arboretum, Fern Valley. Right side after entering from Crabtree Rd. entrance | | 1243025615 |
| sisyrinchium sp. ingram 18 | | USA: District of Columbia; US National Arboretum, Fern Valley. Right side after entering from Crabtree Rd. entrance | | 1243023887 |
| sisyrinchium sp. ingram 18 | | USA: District of Columbia; US National Arboretum, Fern Valley. Right side after entering from Crabtree Rd. entrance | | 1243024276 |