This Summer achtergrond contains
mahonie, mahonie boom, sitka sparren, sitkaspar, picea sitchensis, hemlock, dollekervelboom, and hemlock boom.
There might also be
beuken, beuken boom, beuk, amerikaanse witte berk, papier berken, paperbark berk, kano berk, betula cordifolia, papierberk, paper birch, kano birch, betula papyrifera, douglas spar, and douglas fir.