María de los Ángeles Herrera-Campos

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Gyalectidium barbatum is a foliicolous (leaf‑dwelling) crustose lichen in the family Gomphillaceae, described from specimens collected in Veracruz, Mexico. It is distinguished from related species by its hyphophores (minute asexual reproductive structures) and ascospore size range.

Enterographa perez-higaredae is a species of lichen-forming fungus in the family Roccellaceae. It is a leaf-dwelling lichen known from Mexico and has also been reported from Thailand and Sint Eustatius (Caribbean Netherlands). It forms pale grayish to whitish-green patches on the upper surfaces of living leaves. The species is distinguished by its rounded, wart-like fruiting bodies (rather than the narrow elongate structures typical of most Enterographa species) with brown discs and pale margins, and by the presence of conspicuous gray crystals in the internal tissues.

Asterothyrium atromarginatum is a species of foliicolous (leaf-dwelling) lichen in the family Gomphillaceae . Found in Veracruz, Mexico, it was formally described as a new species in 2002 by the lichenologists María de los Ángeles Herrera-Campos and Robert Lücking. The lichen forms small patches that are rounded to irregular in outline, 0.3 to 1 mm in diameter, smooth to silvery white in colour, and bordered by a distinct black line. The dark line appears to be a prothallus but is actually created by the intensely pigmented outer cells of the thallus cortex. The photobiont partner of

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Fissurina astroisidiata is a species of lichen in the family Graphidaceae. Found in Veracruz, Mexico, it was described as new to science in 2011. This lichen was the first member of its genus discovered to produce cylindrical vegetative propagules called isidia, which help it spread vegetatively without sexual reproduction. It forms pale greyish-green crusts on tree bark in shaded rainforest and produces distinctive star-shaped reproductive structures.

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Cora comaltepeca is a species of basidiolichen in the family Hygrophoraceae. Found in southern Mexico, it was formally described as a new species in 2016 by Bibiana Moncada, Rosa Emilia Pérez, and Robert Lücking. The specific epithet comaltepeca refers to the type locality in Santiago Comaltepec (Oaxaca), where it grows as an epiphyte on tree branches in tropical-temperate cloud forests.

Usnea subcomplecta is a species of fruticose lichen in the family Parmeliaceae. It is found in the Galápagos Islands. It is characterized by its flaccid branches, blackened trunk, and pruinose cortex surface.

Usnea patriciana is a rare species of fruticose lichen in the family Parmeliaceae. It is endemic to the Galápagos Islands. This beard lichen has a shrubby appearance with cylindrical branches and distinct black pigmentation at its base.

Usnea mayrhoferi is a species of fruticose lichen in the family Parmeliaceae. It is found in the Galápagos Islands.

Usnea leana is a species of fruticose lichen in the family Parmeliaceae. Found in the Galápagos Islands, it characterized by its pendulous thallus, branches covered with point-like pseudocyphellae, and the presence of galbinic acid. This lichen is currently known to be endemic to the Galápagos, with only two known localities representing its distribution.

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Graphis bungartzii is a species of bark-dwelling script lichen in the family Graphidaceae. Described in 2014 from specimens collected in Jalisco, Mexico, this lichen forms a pale greenish-grey crust on tree bark in seasonally dry tropical forests. The species is characterised by its branched, slit-like fruiting bodies (lirellae) with black, grooved lips, small ascospores divided by cross-walls, and the presence of norstictic and connorstictic acids.

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