closely resembles other members of its genus. It is the only one with both a branching structure and spines longer than about a centimeter.
Just to make things confusing, Hericium americanum
was formerly known as Hericium corralloides
, which today refers to one of the other species
(the one formerly known as H. ramosum
Along the Starr King trail, July 3rd, 2009 (a very wet year, and therefore a good year for early fungi)