| wolffia sp. vanneste 454 | | USA: District of Columbia; United States National Arboretum, 3501 New York Ave NE; Gotelli Dwarf and Slow-Growing Conifer Collection Pond | | 1243025999 |
| wolffia sp. vanneste 454 | | USA: District of Columbia; United States National Arboretum, 3501 New York Ave NE; Gotelli Dwarf and Slow-Growing Conifer Collection Pond | | 1243023456 |
| wolffia sp. vanneste 454 | | USA: District of Columbia; United States National Arboretum, 3501 New York Ave NE; Gotelli Dwarf and Slow-Growing Conifer Collection Pond | | 1243024305 |