List of Articles Indicator species Open Access Article Abstract Page Full-Text 1 - Comparison of corticolous lichen species with the aim of bioindicators in harvested and control stands in natural beech forests in Nowshahr region Maryam Hoseyninezhad Asadollah Mataji Majid Es-hagh Nimvari Open Access Article Abstract Page Full-Text 2 - Recognizing Ecological Species Groups and their Relationships with Environmental Factors at Chamanbid-Jozak Protected Area, North Khorasan Province, Iran Mohabat Nadaf hamid Ejtehadi Mansour Mesdaghi Mohamad Farzam