Here is the nexus file of the Pama-Nyungan phylogeny (194 languages) in Bowern and Atkinson (2012). It’s the consensus tree from the Stochastic Dollo model (the best performing of the models).
Please cite it as Bowern and Atkinson (2012). Computational Phylogenetics and the Internal Structure of Pama-Nyungan. Language 88(4):817-845