The possibility of solving the expert issue on belonging of objects with narcotic drugs of plant origin (marijuana) to the previously divided single mass

The authors specify that a task of establishing the belonging of separate parts of ground pieces of vegetable origin to a single whole and a task of establishing a common source of the substance origin according to the vegetation area are two different tasks. Therefore, significantly essential features should be different when solving these problems. The authors show a possibility of solving the expert issue on ground vegetable objects belonging to the previously ground whole mass if it is considered as a summative whole. According to the authors, the goal can be achieved by a required and sufficient number of morphological and some other characteristics which help to make an identification. Meanwhile, it’s recommended to pay attention to mineral impurities as the most stable and in some cases a significant sign. The article offers an identification scheme of marijuana divided parts, previously forming a summative whole.