Keywords: plant plants plantae angiosperms eudicots rosids sapindales sapindaceae aceraceae hippocastanoideae acer maple maples tree trees maple tree mapletree taxonomy:binomial=acer rubrum taxonomy:binomial=acerrubrum acer rubrum acerrubrum maryland beltsville prince george's county princegeorgescounty black background blackbackground droege biml usgs pwrc zerene stacker zerenestacker seed seeds samara beautiful color macro stackshot usgsbiml Acer rubrum, young forming samara, Beltsville, Maryland April 2013 Acer rubrum, young forming samara, Beltsville, Maryland April 2013 |