Heterotheca

1. Plants tall (over 0.5 m), erect; leaves mostly acute, with stalked glands (at least beneath).

H. camporum

1. Plants low (up to ca. 0.5 m), ± spreading and several-stemmed or -branched; leaves mostly obtuse (but mucronate), eglandular.

H. villosa

All species found in Heterotheca

Heterotheca camporumPRAIRIE GOLDEN ASTER 
Heterotheca villosaGOLDEN ASTER 

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. August 17, 2017. http://michiganflora.net/genus.aspx?id=Heterotheca.