Nineteen lichen species are recorded for the first time from Tasmania: Amandinea conranensis Elix & P.M.McCarthy, Bacidia laurocerasi (Delise ex Duby) Zahlbr., Buellia extenuatella Elix & Kantvilas, Catinaria atropurpurea (Schaer.) Vězda & Poelt, Collema crispum (Huds.) Weber ex F.H.Wigg., Diploschistes euganeus (A.Massal.) J.Steiner, D. gyrophoricus Lumbsch & Elix, Endocarpon crassisporum P.M.McCarthy & Filson, Gyalecta pellucida (Coppins & Malcolm) Baloch & Lücking, Lecanora pseudogangaleoides Lumbsch subsp. pseudogangaleoides, L. strobilina (Spreng.) Kieff., Opegrapha niveoatra (Borrer) J.R.Laundon, O. spodopolia Nyl., O. varia Pers., Physcia austrostellaris Elix, Ramonia absconsa (Tuck.) Vězda, Trapelia concentrica Elix & P.M.McCarthy and Xanthoparmelia xerica (Elix) Elix. The new combination Austroparmelina corrugativa (Kurok. & Filson) Elix & Kantvilas is proposed and Austroparmelina euplectina (Kurok. ex Elix). A.Crespo et al. is reduced to synonymy. The salient morphological and anatomical features, ecology and distribution are discussed for each species.