The common name is Hemlock Varnish Shelf (Latin name: GANODERMA, tsugae). It is a very close look-alike to the Lucid Bracket  (common name) (Latin name: GANODERMA, resinaceum). They are distinguished by the dead trunks they grow on (one on deciduous trees, the other on Hemlock) as well as by the length of their foot/stem. Hemlock Varnish Shelf has a longer stem, Lucid Bracket has practically no stem.

I believe that the Lucid Bracket is commonly known as Reishi and known for it’s medicinal properties (antitumor, immune-enhancing, cholesterol reducing, longevity, etc.). It is consumed as a tea as it is very tough.

I think the Varnish Shelf is commonly mistaken as Reishi, and we have a lot of it in Eastern Townships Hemlock forests.

Warning/Danger :
Never consume a mushroom unless you are certain of its identity and edibility and are aware of any potential reactions it may cause.