The Population on in the Great Lakes Region Is Highly Diverse with a Contributory Influence of Clonality.

Shrub willows ( spp.) are emerging as a viable lignocellulosic, second-generation bioenergy crop with many growth characteristics favorable for marginal lands in New York State and surrounding areas. Willow rust, caused by members of the genus , is the most limiting disease of shrub willow in this region and remains extremely understudied.