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Nayaka, Sanjeeva; Upreti, Dalip K.; Ponmurugan, Ponnusamy; Ayyappadasan, Ganesan (2013). "Two new species of saxicolous Pyxine with yellow medulla from southern India". The Lichenologist. 45 (1): 3–8. Bibcode:2013ThLic..45....3N. doi:10.1017/s0024282912000618.
Mongkolsuk, Pachara; Meesim, Sanya; Poengsungnoen, Vasun; Kalb, Klaus (2012). "The lichen family Physciaceae in Thailand—I. The genus Pyxine". Phytotaxa. 59 (1): 32–54. Bibcode:2012Phytx..59...32M. doi:10.11646/phytotaxa.59.1.2.
Aptroot, André; Jungbluth, Patrícia; Cáceres, Marcela 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. Bibcode:2014ThLic..46..669A. doi:10.1017/s0024282914000231.
Nayaka, Sanjeeva; Upreti, Dalip K.; Ponmurugan, Ponnusamy; Ayyappadasan, Ganesan (2013). "Two new species of saxicolous Pyxine with yellow medulla from southern India". The Lichenologist. 45 (1): 3–8. Bibcode:2013ThLic..45....3N. doi:10.1017/s0024282912000618.