Nature / Around the World

This National Geographic achtergrond contains ponderosa, ponderosapijnboom, westelijke gele grenen, stier pine, pinus ponderosa, ponderosa pine, westerse yellow pine, bull pine, sitka sparren, sitkaspar, picea sitchensis, douglas spar, and douglas fir. There might also be berk, berken, berken boom, gemeenschappelijke bamboe, and bambusa vulgaris.