Sunan Abi Dawud 3078
سنن أبي داود#3078Sahihحَدَّثَنَا أَحْمَدُ بْنُ عَمْرِو بْنِ السَّرْحِ، أَخْبَرَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي مَالِكٌ، قَالَ هِشَامٌ الْعِرْقُ الظَّالِمُ أَنْ يَغْرِسَ الرَّجُلُ فِي أَرْضِ غَيْرِهِ فَيَسْتَحِقَّهَا بِذَلِكَ . قَالَ مَالِكٌ وَالْعِرْقُ الظَّالِمُ كُلُّ مَا أُخِذَ وَاحْتُفِرَ وَغُرِسَ بِغَيْرِ حَقٍّ .
Hisham said “The unjust vein means that a man implants a tree in the land of another man so that they may be entitled to it. Malik said “The unjust vein means that a man takes (a thing) digs a pit and implants a tree without (his) right
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 20:151