I see why you might think that but dead man's fingers aren't usually this large and tend to have a different color among other differences I'm sure. This is most likely a stinkhorn and is identifiable in my experience by the texture of their stalk, the smell of rot/death, and a usually black or brown goop on the cap.
Looks like some kind of dead man's fingers with the light blueish tinge: https://en.wikipedia.org/wiki/Xylaria_polymorpha
I see why you might think that but dead man's fingers aren't usually this large and tend to have a different color among other differences I'm sure. This is most likely a stinkhorn and is identifiable in my experience by the texture of their stalk, the smell of rot/death, and a usually black or brown goop on the cap.