This National Geographic achtergrond contains
beuken, beuken boom, beuk, douglas spar, douglas fir, sitka sparren, sitkaspar, and picea sitchensis.
There might also be
witte den, white pine, amerikaanse witte berk, papier berken, paperbark berk, kano berk, betula cordifolia, papierberk, paper birch, kano birch, and betula papyrifera.