Shirley Cunha Feuerstein

Graphis suzanae is a species of corticolous (bark-dwelling) script lichen in the family Graphidaceae. Described as new to science in 2016, it is found in southern Brazil.

Diorygma tocantinsense is a species of corticolous (bark-dwelling) lichen in the family Graphidaceae. Found in Brazil, it was formally described as new to science in 2014 by the lichenologists Shirley Feuerstein, Iane Cunha, and André Aptroot. The type specimen was collected by Feuerstein from Fazenda São Paulo (Itaguatins, state of Tocantins), where it was found growing on tree bark. The lichen has an opaque, irregular, whitish-cream thallus that lacks soredia and isidia. It is characterised from other Diorygma species by its ascospores, which measure 24–40 by 10–15 μm and are muriform

Diorygma pauciseptatum is a species of corticolous (bark-dwelling) lichen in the family Graphidaceae. Found in Brazil, it was formally described as new to science in 2014 as a collaborative effort by several lichenologists: Shirley Feuerstein, Iane Cunha, André Aptroot, and Marcela Cáceres. The type specimen was collected by the first author from Fazenda São Paulo (Itaguatins, state of Tocantins), where it was found growing on tree bark. The lichen has an opaque, irregular, yellowish-green thallus that lacks soredia and isidia. It is characterised from other Diorygma species by its

Diorygma incantatum is a species of corticolous (bark-dwelling) crustose lichen in the family Graphidaceae. It is found in northern and southern Brazil.

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