Primary references

• Hafellner and R. Sant., in Hafellner, Fritschiana 36: 14 (2002)

• Hafellner, J. 2002: Additions and corrections to the checklist and bibliography of lichens and lichenicolous fungi of Insular Laurimacaronesia. II. - Fritschiana 36: 1–10.   **[RLL List # 190 / Rec.# 23912] - (Recent Literature on Lichens)**

References

• Current name: for Opegrapha trassii is Opegrapha foreaui (C. Moreau & M. Moreau) Hafellner & R. Sant., 2002   (from North American Lichen Checklist; Aug 2008)

* Opegrapha trassii S.Y.Kondr. & Coppins, in Coppins & Kondratyuk, Folia cryptog. Estonica 32: 10 (1998)

• Coppins, B.J. and Kondratyuk, S.Y. (1998) Opegrapha trassii sp. nov., a new lichenicolous fungus on Heterodermia [Opegrapha trassii sp. nov., uus lihheniseerunud seene liik sambliku Heterodermia tallustelt]. - Folia Cryptogamica Estonica 32: 9–14.   **[RLL List # 171 / Rec.# 3498] - (Recent Literature on Lichens)**

• Diederich, P. (2003) New species and new records of American lichenicolous fungi [Neue Arten und neue Funde von amerkanischen lichenicolen Pilzen]. Herzogia 16: 41–90.   **[RLL List # 192 / Rec.# 24711] - (Recent Literature on Lichens)**

Links

• North American Lichen Checklist (Aug 2008)

• Opegrapha foreaui in Index Fungorum.

• Opegrapha foreaui in MycoBank.