Quaking Aspen and Paper Birch

Quaking Aspen and Paper Birch are both fast-growing trees common in Northern Minnesota. While they are similar in some respects, they actually belong to different plant families. Paper birch (Betula papyrifera) belongs to the birch family, Betulaceae. Paper birch is distinguished by its white bark that readily peels off of the tree. The leaves of paper …

Fungus on Trees

Shelf-like fungal growths on trees are known as conks Fungus identification is best left to experts, but I think the “conks” shown in the pictures above are the species Phellinus Tremulae. The photograph in the upper right is a close-up of the porous bottom-side of one of them. So far I have seen these growths …