Silverwood Truffles Client Australia Joined December 2016 ContestContests Logos Status Prize * Silverwood Truffles We are Western Australian primary producers who grow the prized Black Truffle (Tuber melanosporum) fungus on the roots of hazel and oak trees. 258 Logos Complete Status $475 Prize Silverwood Truffles We are Western Australian primary producers who grow the prized Black Truffle (Tuber melanosporum) fungus on the roots of hazel and oak trees. 258 Complete $475 * The Prize Package includes the Designer prize and all LogoTournament fees.