Cover Letter To, Executive Editor, PJSIR, Karachi, Pakistan. It is certified that the manuscript entitled “Ethnobotanical Investigation of medicinal flora used by Indigenous people in district Attock, Pakistan” contains original work and it is not published anywhere before nor it will send for publication until this manuscript is under the review of this Journal. This Ethnobotanical survey was based on folk uses of 77 medicinal plants of district Attock. The conservation of medicinal flora and traditional folk knowledge demands serious attention as the medicinal flora is going to extinct with time. Within this context the current manuscript will play an important role in the conservation of folk uses of medicinal plants this area. Please process it according to your Journal criteria. Corresponding Author: Irum Naz Email: irum_naz55@yahoo.com; irum.naz@sydney.edu.au Phone no: +92-0315-5075953; +61-0405-203709 Address: Department of Plant Sciences, Faculty of Biological Sciences Quaid-i-Azam University Islamabad, Pakistan Author: Email: Address: Dr. Mushtaq Ahmad mushtaq@qau.edu.pk Department of Plant Sciences, Faculty of Biological Sciences Quaid-i-Azam University Islamabad, Pakistan Author: Email: Phone no: Address: Tamoor-ul-Hassan tamoorqau80@gmail.com +92-0301-3008310 Department of Plant Sciences, Faculty of Biological Sciences Quaid-i-Azam University Islamabad, Pakistan Samiullah sami_jan69@yahoo.com Department of Plant Sciences, Faculty of Biological Sciences Quaid-i-Azam University Islamabad, Pakistan Author: Email: Address: