Resurvey of the Corticolous Lichen flora of Epping Forest Epping Forest Historical Records________1784-1919 1969-71 1989-91______2003 L. varia___________________________________*_______________________________________ Lecidella elaeochroma_____________________*__________________________________* Lepraria incana____________________________*___________*___________*___________*_____ L. lobificans_______________________________"_______________________*___________*_____ Leptogium lichenoides______________________*_______________________________________ L. palmatum_______________________________*_______________________________________ L. tenuissimum____________________________*_______________________________________ Lobaria pulmonaria________________________*_______________________________________ Melanelia glabratula________________________*_______________________________________ M. subaurifera_____________________________*_______________________*___________* Micarea denigrata_________________________*_______________________________________ M. melaena____________________________________________________72/83______________ M. peliocarpa_______________________________________________________________* Micarea prasina___________________________*_______________________*___________*_____ Mycoblastus fucatus_______________________*_______________________*___________* Ochrolechia parella________________________*_______________________________________ O. turneri_________________________________*_______________________________________ Opegrapha atra___________________________*___________*___________*________________ O. herbarum______________________________*_______________________________________ O. lyncea__________________________________*_______________________________________ O.niveoatra_______________________________*_______________________________________ O.ochrocheHa______________________________________________________________*_____ O. pulicaris________________________________*_______________________________________ O. rufescens_______________________________*_______________________________________ O. varia___________________________________*_______________________________________ O.vulgata_________________________________"___________*___________*________________ P. sulcata_________________________________"___________*___________*___________*_____ P. saxatilis________________________________*___________*____________________________ Parmotrema chinense______________________*_______________________*___________* Peltigera hymenea_________________________*_______________________________________ P. membranacea__________________________*_______________________________________ Pertusaria albescens_______________________*_______________________________________ P.amara__________________________________*_______________________________________ P. flavida_________________________________*_______________________________________ P. hymenea_______________________________*___________*____________________________ P. leioplaca_______________________________*___________*____________________________ P. pertusa________________________________*___________*____________________________ Phaeographis dendritica____________________*_______________________________________ Phaeophysica orbicularis___________________*_______________________*___________*_____ P. in usta__________________________________"_______________________________________ Phlyctis agalaea___________________________*_______________________________________ P. argena_________________________________*__________________________________* Physcia adscendens______________________________________________*___________*_____ P. aipolia__________________________________________________________________*_____ P. caesia_________________________________*__________________________________*_____ P. clementei______________________________*_______________________________________ Essex Naturalist (New Series) 20 (2003) 8]