Graciela Paz-Bermúdez

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Pertusaria guineabissauensis is a species of crustose lichen in the family Pertusariaceae. It was described as a new species in 2019 by Graciela Paz-Bermúdez, Alan Archer, and John Elix. It grows on tree bark, producing a thick greenish-grey thallus with a dull, wrinkled surface. The lichen is characterised by the presence of wart-shaped (verruciform) ascomata, asci that contain eight ascospores arranged in a single row (uniseriate) and the presence of the secondary chemicals stictic and hypostictic acids. The specific epithet refers to Guinea-Bissau, where the lichen was discovered, and its

Peltula lobata is a species of foliose and saxicolous (rock-dwelling) lichen in the family Peltulaceae. Formally described in 2013, this lichen typically colonises vertical, sun-exposed rock crevices along riverbanks and periodically submerged surfaces in temporary riverbeds. The species grows primarily on schist, quartzite, and granite substrates, and forms large, conspicuous brown patches at relatively low elevations. Originally documented in northeastern Portugal, it has also been recorded at two sites in Spain. P. lobata grows in Mediterranean environments characterised by sub-humid to

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