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CCDB → Angiosperms → Compositae → Symphyotrichum → Aster amethystinus Nutt.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Aster amethystinus Nutt. | Symphyotrichum × amethystinum (Nutt.) G. L. Nesom | 10 | Darlington, 1955 | Wetmore & D. 1939 H |