Joshi, Santosh; Upreti, Dalip K.; Thanh, Nguyen Thi; Nguyen, Anh Dong; Hur, Jae-Seoun (2017). "New and interesting species in the family Graphidaceae (Ascomycota: Ostropales) from Vietnam". The Lichenologist. 49 (3): 259–268. doi:10.1017/s0024282917000172. S2CID90867403.
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Joshi, Santosh; Upreti, Dalip K.; Thanh, Nguyen Thi; Nguyen, Anh Dong; Hur, Jae-Seoun (2017). "New and interesting species in the family Graphidaceae (Ascomycota: Ostropales) from Vietnam". The Lichenologist. 49 (3): 259–268. doi:10.1017/s0024282917000172. S2CID90867403.