The new lichen species Graphis obtectostriata is described from Rio Grande do Sul in southern Brazil. It is characterized by lirellae that are almost totally covered by thallus, but are striate underneath, and long, transversely septate ascospores. All species so far known with similar ascomata, the so-called consanguinea-morph, have muriform ascospores.
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Vol. 35 • No. 3