Muwatta Malik 735
موطأ مالك#735SahihYahya related to me from Malik from Musa ibn Uqba that Salim ibn Abdullah heard his father say, "Your claim that the Messenger of Allah, may Allah bless him and grant him peace, entered ihram from this desert of yours is not true, because he only entered ihram from the mosque, i.e. the mosque of Dhu'l-Hulayfa
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliSahih
In-book reference: 20:31