hydnum

Providing the weather conditions are right, hedgehogs hydnum repandum can regenerate a new crop within 10 days.

Foraging in the New Forest Bruce Palling 2010

Bruce Palling for The Wall Stree t Journal A cluster of hedgehog mushrooms hydnum repandum in the New Forest in southern England.

Foraging in the New Forest Bruce Palling 2010

They are not clustered at the ends of the branches, as in the bear's head hydnum, and the species can be easily distinguished by giving attention to the form of the branching and the distribution of the spines on the under side of the branches.

Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. George Francis Atkinson 1886

It is known by the popular name of "bear's head hydnum" in allusion to the groups of spines at the ends of the branches.

Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. George Francis Atkinson 1886

It forms a large, tubercular mass which does not branch like the coral hydnum or the bear's head, but more like the Satyr's beard hydnum, though the character of the spines will easily separate it from the latter.

Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. George Francis Atkinson 1886

It is more common than the coral hydnum so far as my observation goes.

Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. George Francis Atkinson 1886

= -- The medusa's head hydnum is a rarer species than either of the above in this country.

Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. George Francis Atkinson 1886