The Abyss Truffle (アビスのトリュフ Abisu no Toryufu) is an hallucinogenic mushroom that acts as a vessel for the Green Zone's Code Crown.
Digimon Xros Wars (manga)
The Abyss Truffle is a vessel that protects the Green Zone's Code Crown. Later, it was DigiXrossed with MachLeomon, Drimogemon, and the Green Zone's Code Crown to form Mush-Upped MachLeomon. Xros Heart!! Our "King"!!