Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī

عُمَرُ بْنُ رَاشِدٍ الْيَمَامِيُّ، عَنْ إِيَاسِ بْنِ سَلَمَةَ

tabarani:6256 – Aḥmad b. Zuhayr al-Tustarī > Muḥammad b. ʿAbd al-Raḥīm Abū Yaḥyá Ṣāʿiqah > ʿAbd al-Ṣamad b. al-Nuʿmān > ʿUmar b. Rāshid al-Yamāmī > Iyās b. Salamah from his father

[Machine] I pledged allegiance to the Prophet Muhammad ﷺ along with those who pledged allegiance beneath the tree.  

الطبراني:٦٢٥٦ – حَدَّثَنَا أَحْمَدُ بْنُ زُهَيْرٍ التُّسْتَرِيُّ ثنا مُحَمَّدُ بْنُ عَبْدِ الرَّحِيمِ أَبُو يَحْيَى صَاعِقَةٌ ثنا عَبْدُ الصَّمَدِ بْنُ النُّعْمَانِ ثنا عُمَرُ بْنُ رَاشِدٍ الْيَمَامِيُّ عَنْ إِيَاسِ بْنِ سَلَمَةَ عَنْ أَبِيهِ قَالَ

«بَايَعْتُ النَّبِيَّ ﷺ فِيمَنْ بَايَعَ تَحْتَ الشَّجَرَةِ»