The Book on Government
وَحَدَّثَنِي حَجَّاجُ بْنُ الشَّاعِرِ، وَمُحَمَّدُ بْنُ رَافِعٍ، قَالاَ حَدَّثَنَا شَبَابَةُ، حَدَّثَنَا شُعْبَةُ، عَنْ قَتَادَةَ، عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ، عَنْ أَبِيهِ، قَالَ لَقَدْ رَأَيْتُ الشَّجَرَةَ ثُمَّ أَتَيْتُهَا بَعْدُ فَلَمْ أَعْرِفْهَاThe tradition has been narrated on the authority of Sa'id b. Musayyib who learnt it from his father. The latter said:I had seen the tree. When I came to the spot afterwards, I could not recognise it
From Sahih Muslim, whose reports the scholars accept as authentic.