Ajuga

1. Plant not stoloniferous (but with rhizome); stem and leaves ± equally pubescent on all surfaces.

A. genevensis

1. Plant strongly stoloniferous; stem glabrous or if pubescent, the hairs mostly on opposite sides of the stem (alternating on each internode); leaves glabrous or nearly so, especially beneath.

A. reptans

All species found in Ajuga

Ajuga genevensisBUGLE 
Ajuga reptansCARPET BUGLE 

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. April 26, 2017. http://michiganflora.net/genus.aspx?id=Ajuga.