• The Korean Journal of Mycology
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• v.25 no.2 s.81
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• pp.77-84
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• 1997

The samples of 26 lichens were collected during two field trips to Ullung Island in May and October, 1995. From the samples collected, three species in two genera were identified; Graphis rikuziensis (Vain.) Nak., G. scripta (L.) Ach. and Pyrenula japonica Kurok. Among them, P. japonica was identified for the first time in Korea and is described here in detail.