In our flora, Eurybia are broad-leaved forest understory species with corymbose inflorescences.
1. Pedicels and undersides of inflorescence bracts ± densely pubescent with stalked glands and with varying densities of pointed whitish multicellular hairs; stems usually with leaves much reduced below the inflorescence.
1. Pedicels and inflorescence bracts glandless, with only multicellular, pointed whitish hairs; stems leafy up to the inflorescence.
All species found in Eurybia
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 13, 2017. http://michiganflora.net/genus.aspx?id=Eurybia.