Muwatta Malik 372
موطأ مالك#372SahihYahya related to me from Malik from Hisham ibn Urwa that his father used to pray in the desert without a sutra
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliMauquf Sahih
In-book reference: 9:47