Asteraceae | |
Aster azureus fo. albidus
| Steyerm. | | ** |
Asteraceae | |
Aster azureus fo. azureus
| | | |
Asteraceae | |
Aster azureus var. azureus
| | | |
Asteraceae | |
Aster azureus fo. incarnatus
| Farw. | Amer. Midl. Naturalist 9(7): 278 | 1925 |
Asteraceae | |
Aster azureus fo. laevicaulis
| Fernald | Rhodora 51(605): 94 | 1949 |
Asteraceae | |
Aster azureus var. poaceus
| (E.S. Burgess) Fernald | Rhodora 51(605): 95 | 1949 |
Asteraceae | |
Aster azureus var. scabrior
| Engelm. ex E.S. Burgess | Fl. S.E. U.S. 1215 | 1903 |