Title Peucedanum hyrcanicum (Apiaceae) a new species of Peucedenaum s. lato from northern Iran Type JournalPaper Keywords . Abstract . Researchers Mohammad Jafari (Fourth Researcher), Shahryar Saeidi Mehrvarz (Second Researcher), Hamid Gholizadeh (First Researcher), Alireza Naqinezhad (Third Researcher)