Nucleotide Sequences
| helenium amarum | USA: District of Columbia; Smithsonian Gardens, Mary Livingston Ripley Garden | 1243025677 | ||
| helenium amarum | USA: District of Columbia; Smithsonian Gardens, Mary Livingston Ripley Garden | 1243024615 | ||
| helenium amarum | USA: District of Columbia; Smithsonian Gardens, Mary Livingston Ripley Garden | 1243024248 | ||
| helenium amarum | USA: District of Columbia; Smithsonian Gardens, Mary Livingston Ripley Garden | 1243023829 |