Abu Hatim ibn Hibban al-Busti: Among those who pledged allegiance under the tree
Ibn Hajar al-Asqalani: Companion who pledged allegiance under the tree
al-Dhahabi: From the companions of the tree
al-Mizzi: He had companionship, and he was from the companions of the tree
Muhammad ibn Isma'il al-Bukhari: He pledged allegiance to the Prophet, peace and blessings be upon him, under the tree