(97) باب الْقِرَاءَةِ فِي الْعَصْرِ
Narrated Abu Ma`mar:
I asked Khabbab bin Al-Art whether the Prophet (ﷺ) used to recite the Qur'an in the Zuhr and the `Asr prayers. He replied in the affirmative. I said, "How did you come to know that?" He replied, "From the movement of his beard."
Reference: Sahih al-Bukhari 761
In-book reference: Book 10, Hadith 155
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 12, Hadith 728