1. Leaves obscurely to definitely toothed, broadly oblanceolate to elliptic; disk florets 9–20.

S. asteroides

1. Leaves entire, narrowly oblanceolate to linear; disk florets 5–10.

S. linifolius

All species found in Sericocarpus

Sericocarpus asteroidesWHITE-TOPPED ASTER 
Sericocarpus linifoliusNARROWLEAF WHITETOP ASTER 


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. March 23, 2018.