Gray aster (Eurybia glauca)

Same genus

• Alexander's rock aster (Eurybia avita)
• Mountain aster (Eurybia chlorolepis)
• Slender aster (Eurybia compacta)
• Thistleleaf aster (Eurybia eryngiifolia)
• Forked aster (Eurybia furcata)
• Southern prairie aster (Eurybia hemispherica)
• Horrid herrickia (Eurybia horrida)
• Thickstem aster (Eurybia integrifolia)

The whole genus Aster (Eurybia)