Figure 8:   				Yearly dry leaf biomass generation by some maple tree species in various regions of the US.  				
  				Source: McPherson, van Doorn, and Peper (2016) 
[30].  				
  				The US regions include: LoNdWst= Lower Midwest; MidWst= Midwest; NMtnPr= North: No East = North East; CenFla= Central Florida; GulfCo=  				Gulf Coast; Piedmt=South.