"Indeed Khamr comes from wheat." And he mentioned this Hadith.
Jami` at-Tirmidhi Book 26, Hadith 13
← Previous Hadith That the Messenger of Allah (ﷺ) said: "Indeed Khamr comes from wheat, Khamr comes from barely, Khamr comes from dates, Khamr comes from rasins, and Khamr comes from honey."

He said: There are narrations on this topic from Abu Hurairah.

This Hadith is Gharib.

Jami` at-Tirmidhi Book 26, Hadith 12 Next Hadith → "Indeed Khamr comes from wheat."

.'" And it has also been reported through other rotes from Ash-Sha'bi, from An-Nu'man bin Bashir.

Jami` at-Tirmidhi Book 26, Hadith 14