Michel Navarro Benatti

Parmotrema asperum is a species of saxicolous lichen in the family Parmeliaceae. Found in Brazil, it was described as new to science in 2008. The milky-grey thallus of the lichen is up to 11 centimetres (4.3 in) in diameter, consisting of irregularly branched lobes measuring 2.0–6.5 mm wide. The lichen is named for the coarse appearance of the thallus.

Parmotrema anchietanum is a species of saxicolous lichen in the family Parmeliaceae. Found in South America, it was described as new to science in 2008. The holotype was collected on the rocky shore of Anchieta Island in São Paulo; the lichen is named after the type locality. Its leathery, pale grey thallus measures up to 16 cm (6.3 in) in diameter, composed of irregularly branched lobes that are typically 1–3 mm wide. Secondary compounds present in the lichen include atranorin and chloratranorin in the cortex, and salazinic acid and consalazinic acid in the medulla.

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Allographa cerradensis is a species of lichen-forming fungus in the family Graphidaceae. Found in Brazil, it was described as new to science in 2011 as Graphis cerradensis but in 2018 it was transferred to its current genus, Allographa. This bark-dwelling lichen forms thin, pale greenish-grey crusts with distinctive elongated fruiting bodies that snake across the surface in wavy lines. It is known only from its original discovery location in a Brazilian savanna reserve, where it grows in humid patches of dense Cerrado vegetation.

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Bulbothrix thomasiana is a species of foliose lichen in the family Parmeliaceae. It is a corticolous species that grows on tree trunks in the northern and central parts of South America. The lichen was formally described as a new species in 2011 by lichenologists Michel Benatti and Marcelo Marcelli. The specific epithet honours American lichenologist Thomas Hawkes Nash III. The species is distinguished by its unusual vegetative structures (isidia), which are uniquely fringed with tiny hair-like projections. It has been found growing on tree bark in tropical forests across northern South

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Bulbothrix johannis is a species of corticolous (bark-dwelling), foliose lichen in the family Parmeliaceae. Found on Réunion, it was formally described as new species in 2015 by Didier Masson, Michel Benatti, and Emmanuël Sérusiaux. The type specimen was collected by the first author from Bélouve (Salazie) at an altitude of 1,700 m (5,600 ft), where it was found growing on the bark of Erica reunionensis. All known localities of the lichen are in Réunion National Park, at altitudes ranging between 1,330–1,860 m (4,360–6,100 ft). The species epithet, derived from the Latin Johannes, honours

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