Template:Aptroot et al., 2014a
- Aptroot, A., Jungbluth, P. & Caceres, M.E.S. 2014. A world key to the species of Pyxine with lichexanthone, with a new species from Brazil. The Lichenologist 46(5): 669–672. DOI: 10.1017/S0024282914000231 . ResearchGate .