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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
bayhaqi:8247 – Abū al-Ḥusayn b. Bishrān> Ismāʿīl b. Muḥammad al-Ṣaffār > al-Ḥasan b. ʿAlī b. ʿAffān > Ibn Numayr > ʿUbaydullāh b. ʿUmar > Nāfiʿ > Ibn ʿUmar

[Machine] Ibn Umar disagreed with Ali ibn Abi Talib, and the narrator of this disagreement is Harith al-Awar, and Harith is weak.  

البيهقي:٨٢٤٧ – وَأَخْبَرَنَا أَبُو الْحُسَيْنِ بْنُ بِشْرَانَ بِبَغْدَادَ أنبأ إِسْمَاعِيلُ بْنُ مُحَمَّدٍ الصَّفَّارُ ثنا الْحَسَنُ بْنُ عَلِيِّ بْنِ عَفَّانَ ثنا ابْنُ نُمَيْرٍ عَنْ عُبَيْدِ اللهِ بْنِ عُمَرَ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ أَنَّهُ كَانَ لَا يُفَرِّقُ قَضَاءَ رَمَضَانَ هَكَذَا قَالَ

ابْنُ عُمَرَ وَاخْتُلِفَ فِيهِ عَلَى عَلِيِّ بْنِ أَبِي طَالِبٍ وَرَاوِيهِ الْحَارِثُ الْأَعْوَرُ وَالْحَارِثُ ضَعِيفٌ