This list records 633 lichen species plus 22 infraspecific taxa in 173 genera from Tasmania and the Bass Strait islands. Fourteen species are new records for Tasmania: Arthroraphis citrinella, Cetraria ausrraliensis, Coccotrema porinopsis, Hyperphyscia adglutinata, Lecanora blanda, Neofuscelia verrucella, Pertusaria superba, Phaeographis australiensis, Relicina subnigra, Rinodina bischoffii, Siphulas/rum mamillarum, Sphaerophorus imshaugii, Srereocaulon gregarium and Usnea contexta. A list of deleted names based on unreliable sources, misidentifications or misinterpretations of early literature is also provided