^ abcdGowan, S.P. (1989). "The lichen genus Porpidia (Porpidiaceae) in North America". The Bryologist. 92 (1): 25–59. doi:10.2307/3244016. JSTOR3244016.
^ abcdFryday, Alan M. (2005). "The genus Porpidia in northern and western Europe, with special emphasis on collections from the British Isles". The Lichenologist. 37 (1): 1–35. doi:10.1017/S0024282904014628. S2CID232397509.
^Zhao, Xiang-Xiang; Zhang, Lu-Lu; Miao, Cong-Cong; Zhao, Zun-Tian (2016). "A new species of Porpidia from China". The Lichenologist. 48 (3): 229–235. doi:10.1017/S0024282916000128. S2CID87749264.
^Elix, J.A.; McCarthy, P.M. (2018). "Ten new lichen species (Ascomycota) from Australia". Australasian Lichenology. 82: 20–59.
^Ruprecht, Ulrike; Søchting, Ulrik; Türk, Roman (2016). "Porpidia navarina, a new endemic species from Isla Navarino (Southern Tierra del Fuego, Chile)". Herzogia. 29 (2): 596–609. doi:10.13158/heia.29.2.2016.596. S2CID89622039.
^ abWang, Xin Yu; Zhang, Lu Lu; Joshi, Yogesh; Wang, Hai Ying; Hur, Jae Seoun (2012). "New species and new records of the lichen genus Porpidia (Lecideaceae) from western China". The Lichenologist. 44 (5): 619–624. doi:10.1017/S0024282912000242. S2CID86112850.
^Osyczka, Piotr; Olech, Maria (2011). "A new species of the genus Porpidia from Antarctica". The Lichenologist. 43 (4): 367–371. doi:10.1017/S002428291100017X. S2CID88009706.