the low contrast light of an overcast day bring out the vivid autumn colors of maple and birch trees, baxter state park, maine, usa. - 紙皮樺 個照片及圖片檔
paper birch, betula papyrifera, and trembling aspen intermixed with wild raspberries beneath, wells gray provincial park, british columbia, canada - 紙皮樺 個照片及圖片檔
bark of paper birch tree ( betula papyrifera ) in vermonts green mountains, shrewsbury, vermont, usa - 紙皮樺 個照片及圖片檔
trail sign on paper birch tree (betula papyrifera), international appalachian trail, baxter state park, maine, usa - 紙皮樺 個照片及圖片檔
