José Luis Chaves-Chaves

Jamesiella chaverriae is a species of corticolous (bark-dwelling), crustose lichen in the family Gomphillaceae. Described as a new species in 2006, it is found in Costa Rica and Brazil.

Gyalideopsis wesselsii is a species of corticolous (bark-dwelling) crustose lichen in the family Gomphillaceae. The pale greenish-grey lichen forms thin, shiny crusts with a warty surface on bark and rotting logs in cloud forest environments, and is known only from two locations in Costa Rica at elevations between 100 and 700 m (330 and 2,300 ft). It can be distinguished from closely related species by its tiny, narrowly spoon-shaped reproductive structures, dark greyish-brown fruiting bodies with triangular projections when young, and by producing a single large spore per spore sac rather

Gyalideopsis pseudoactinoplaca is a species of corticolous (bark-dwelling) crustose lichen in the family Gomphillaceae. The pale greenish-grey lichen forms thin, slightly shiny crusts on bark and rotting logs in cloud forest environments, and is currently known only from Costa Rica's Tenorio Volcano National Park. Unlike many lichens, it has not been observed to produce typical cup-like reproductive structures (apothecia), instead reproducing through unusual spherical, stalkless specialized structures that sit directly on the surface, which researchers believe represent an evolutionary

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Septotrapelia is a genus of lichen-forming fungi in the family Ectolechiaceae. It comprises four species. Species in this genus form tiny, scale-like crusts on rocks and are distinguished by their chocolate-brown fruiting discs with pale margins and unusually large ascospores divided into three segments. These small, bluish-grey lichens grow primarily on volcanic boulders and weathered stone in tropical and subtropical regions, from Costa Rica and the Galápagos to Thailand and South Korea. The genus was established in 2007 after DNA studies showed that certain species with this distinctive

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Haematomma nicoyense is a species of corticolous (bark-dwelling) lichen in the family Haematommataceae. Found in Costa Rica, it was formally described as a new species in 2006 by Matthew Nelsen, Robert Lücking, and José Luis Chaves. The type specimen was collected from the Monte Alto Forest Reserve in the Nicoya Peninsula at an elevation between 750 and 900 m (2,460 and 2,950 ft). Here, in lowland to lower montane moist forests, the species was found growing on the lower trunks of exposed trees and on fence posts. The specific epithet refers to the type locality. The lichen has a

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Ampliotrema cocosense is a little-known species of corticolous (bark-dwelling) lichen in the family Graphidaceae. Found in Cocos Island, Costa Rica, it was described as new to science in 2011. Its distinctive features include its large, muriform ascospores and a notable chemical composition.

Cora viliewoa is a species of basidiolichen in the family Hygrophoraceae. Found in Central and South America, it was formally described as a new species in 2016 by Robert Lücking José Luis Chaves, and Edier Soto-Medina. The specific epithet viliewoa is a syllabic anagram combining the second syllables of the names of mycologist David Leslie Hawksworth, to whom the publication was dedicated. The lichen occurs in Costa Rica, Colombia, and Ecuador, where it grows as an epiphyte on tree branches.

Cora terrestris is a species of basidiolichen in the family Hygrophoraceae. Found in Costa Rica, it was formally described as a new species in 2016 by Manuela Dal Forno, José Luis Chaves, and Robert Lücking. The specific epithet terrestris refers to its terrestrial growth. The lichen occurs in the Cordillera de Talamanca of Costa Rica, where it grows on the ground in páramo bogs and in montane forests. Similar species include Cora celestinoa (Colombia), C. casasolana (Mexico), C. caliginosa (Peru), and C. pichinchensis (Ecuador).

Cora smaragdina is a species of basidiolichen in the family Hygrophoraceae. Found in southern Costa Rica, it was formally described as a new species in 2016 by Robert Lücking, Gary Rivas-Plata, and José Luis Chaves. The specific epithet smaragdina refers to the emerald-green colour of the fresh lobes. The lichen occurs in tropical mountainous rainforest, where it grows as an epiphyte on tree bark.

Cora paraminor is a species of basidiolichen in the family Hygrophoraceae. Found in Costa Rica, it was formally described as a new species in 2016 by Manuela Dal Forno, José Luis Chaves, and Robert Lücking. The specific epithet paraminor refers to its close relationship with Cora minor. Cora paraminor is known to occur only at the type locality at the Los Santos Forest Reserve in Cerro de la Muerte. Here it grows in mountainous forest as an epiphyte, on the twigs and branches of trees. Its phylogenetically distinct namesake, C. minor, is also found in Costa Rica, but in Chirripó National

Cora palustris is a species of basidiolichen in the family Hygrophoraceae. Found in Costa Rica, it was formally described as a new species in 2016 by Manuela Dal Forno, José Luis Chaves, and Robert Lücking. The specific epithet palustris is derived from the Latin palus ("bog" or "swamp"), and refers to its habitat at the type locality. The lichen occurs in the Cerro de la Muerte area of Costa Rica, where it grows on the soil with grasses and bryophytes.

Cora imi is a species of basidiolichen in the family Hygrophoraceae. Found in Costa Rica, it was formally described as a new species in 2016 by Robert Lücking, José Luis Chaves, and James D. Lawrey. The specific epithet imi is an acronym for the International Mycological Institute. The lichen is known only from the type collection, which was found at an altitude of about 3,400 m (11,200 ft) in the Los Santos Forest Reserve in Cerro de la Muerte. Here it was growing on the ground in páramo among bryophytes.

Cora hymenocarpa is a species of basidiolichen in the family Hygrophoraceae. Found in Costa Rica, it was formally described as a new species in 2016 by Robert Lücking, José Luis Chaves, and James D. Lawrey. The specific epithet hymenocarpa refers to the "strongly flattened, emarginate hymenophore". Cora hymenocarpa grows in the tropical rainforests of Costa Rica as an epiphyte on the somewhat shaded branches and twigs of shrubs and trees. The Colombian species Cora hafecesweorthensis is similar in appearance but is not closely related phylogenetically.

Cora haledana is a species of basidiolichen in the family Hygrophoraceae. Found in Costa Rica, it was formally described as a new species in 2016 by Manuela Dal Forno, José Luis Chaves, and Robert Lücking. The specific epithet haledana is a reverse anagram of the name of mycologist David Leslie Hawksworth. The lichen is only known to occur at the type locality in the Cerro de la Muerte, where it grows in the páramo as an epiphyte on tree branches and twigs.

Cora gomeziana is a species of basidiolichen in the family Hygrophoraceae. Found in Costa Rica, it was formally described as a new species in 2016 by Manuela Dal Forno, José Luis Chaves, and Robert Lücking. The specific epithet gomeziana refers to Costa Rican biologist Luis Diego Gómez Pignataro (1944–2009), who studied Costa Rican basidiolichens starting in the 1970s. The lichen is only known to occur in the type locality in the Cerro de la Muerte, where it grows on the ground among bryophytes and ground-dwelling angiosperms.

Cora arborescens is a little-known species of basidiolichen in the family Hygrophoraceae. It was formally described as a new species in 2016 by Manuela Dal Forno, José Luis Chaves, and Robert Lücking. The specific epithet arborescens refers to its growth on trees. The lichen is only known from the type locality near Cerro de la Muerte in Costa Rica.

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Calopadia editiae is a species of lichen in the family Ectolechiaceae. It is found in Tanzania, with a distribution that extends to Costa Rica and the Galápagos Islands. It can be found on leaves or bark and is characterised by its pale grey to brownish grey colour, rounded apothecia and distinctive pruina. Described as new to science in 2011, the species was named in honour of Hungarian lichenologist Edit Farkas.

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