Blanket of white pine needles covers the roof below.
Balsam Fir needles closely resemble those of the Eastern Hemlock but are generally greater in length.
The dawn redwood is a deciduous tree that loses its needles in the fall.
Needles from the white pine tree turn brown and shed. Seen here collecting on roof of building below.
The White Spruce is a variety of spruce tree native to North America. The needles are four-sided, sharp to the touch and arranged in a spiral formation on the branches.