background blue cone cones pine pines sky tree brown pine cone nature pinecone pinocones trees forest green plant plants seed seeds stick twig cutout isolated strobile christmas Fir xmas abstract autumn pine straw bark firs spring trees branch balsam fir berlin branch branches closeup Columbian spruce environment germany grunewald Jack pine landscape landscapes Larix lyalliiSubalpine Larch lodgepole pine pine cones pine-needle pine-needles shortleaf black spruce shortstraw pine White pine wood Yellow fir fyr snow snow covered branches winter xmasphoto2012