A study at the University of Karbala studying a comparison of some types of plant clans in Iraq 22 March، 20222 April، 2022 College of Agriculture https://uokerbala.edu.iq/archives/17777?fbclid=IwAR23W9xyfH9Gd4WHd_FpabQctN11FsMA7ewKKUyaafkmbWSVhluXglQJVQ8