Coefficient of Conservatism:
Coefficient of Wetness:
A Japanese shrub long persisting and spreading from plantings in overgrown yards and old homesteads. First collected in Michigan by W. R. Overlease in Benzie Co. in 1998. This is a distinctive small shrub, extensively colonial by suckering, with bright green twigs and yellow flowers, often double in cultivated forms.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. April 23, 2019. https://www.michiganflora.net/species.aspx?id=2495.