The Book of Mosques and Places of Prayer
5/48. Chapter:
It is permissible to offer voluntary prayers in congregation, and to pray on hasir (palm-fiber mats), khumrah (small mats), cloth, and other pure things
Sahih Muslim
وَحَدَّثَنَاهُ مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، ح وَحَدَّثَنِيهِ زُهَيْرُ بْنُ حَرْبٍ، قَالَ حَدَّثَنَا عَبْدُ الرَّحْمَنِ، - يَعْنِي ابْنَ مَهْدِيٍّ - قَالَ حَدَّثَنَا شُعْبَةُ، بِهَذَا الإِسْنَادِ .
This hadith has also been narrated by Shu'ba with this chain of transmitters.
Reference : Sahih Muslim 660cIn-book reference : Book 5, Hadith 336USC-MSA web (English) reference : Book 4, Hadith 1391