Sittiporn Parnmen

Marcelaria benguelensis is a tropical species of corticolous (bark-dwelling) and crustose lichen in the family Trypetheliaceae. It is found in continental southeast Asia.

Marcelaria is a genus of crustose lichens in the family Trypetheliaceae. It has three species. These lichens grow as crusty patches on tree bark and are recognised by their bright orange, yellow, or red colouring. They produce distinctive flask-shaped fruiting bodies that are vividly pigmented and sit directly on the lichen's surface. The genus is found mainly in tropical regions of Asia, Africa, and the Americas.

Cladonia mongkolsukii is a species of fruticose lichen in the family Cladoniaceae. Described as new to science in 2011, it is found in lower-elevation montane scrub forests of northeast Thailand and in Sri Lanka. The specific epithet honors Pachara Mongolsuk, a Thai lichenologist.

Cladia blanchonii, known by the common name Dan's Cladia, is a species of lichen in the family Cladoniaceae. Found in Australia and New Zealand, the species was first described in 2013 by Sittiporn Parnmen and Helge Thorsten Lumbsch, who named the species after New Zealand botanist Dan Blanchon.

Astrochapsa is a genus of lichen-forming fungi in the subfamily Graphidoideae of the family Graphidaceae. It has about 30 species. The genus was circumscribed in 2012, with Astrochapsa astroidea assigned as the type species. It was split from Chapsa because members of this genus usually have a densely skinned thallus, apothecial rims that tend to curve back, and spores that are mostly subdistoseptate (septa slightly thickened; cell spaces angular) and non-amyloid.

Pseudochapsa lueckingii is a species of corticolous (bark-dwelling), crustose lichen in the family Graphidaceae. It is known only from a single collection in São Paulo, Brazil.

Pseudochapsa is a genus of lichen-forming fungi in the family Graphidaceae. It has 19 species. It was circumscribed in 2012 by Sittiporn Parnmen, Robert Lücking, and Helge Thorsten Lumbsch, with Pseudochapsa dilatata as the type species. Pseudochapsa differs from Chapsa (the genus from which it was segregated) it that its excipulum (the rim of tissue around the apothecia) is typically brown. Additionally, its ascospores are mostly discoseptate and amyloid. The generic name combines the Greek pseudo ("false") with the genus name Chapsa.

Nitidochapsa is a genus of lichen-forming fungi in the family Graphidaceae. It has five species of corticolous (bark-dwelling), crustose lichens.

Mangoldia is a genus of lichen-forming fungi in the subfamily Graphidoideae of the family Graphidaceae. It contains four species of corticolous (bark-dwelling) script lichens.

Clandestinotrema portoricense is a rare species of corticolous (bark-dwelling) crustose lichen in the family Graphidaceae. Found in Puerto Rico, it was described as a new species in 2014. It is characterised by its white, slightly shiny thallus that can span several centimetres in diameter, and its rounded ascomata that are immersed in the thallus. Unlike most of its genus counterparts, C. portoricense possesses septated (partitioned) spores and a carbonised (blackened) excipulum and columella, effectively distinguishing it from similar species.

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Cladia beaugleholei is a lichen in the family Cladoniaceae found in Australia. It was first described as Heterodea beaugleholei in 1978 by Rex Filson, from a specimen collected from forest soil in New South Wales. The species epithet honours Alexander Clifford Beauglehole. It was reassigned to the genus Cladia by Sittiporn Parnmen and H. Thorsten Lumbsch in 2012. Under the Nature Conservation Act 1992 of Queensland, its Queensland conservation status is of "Least Concern".

Borinquenotrema is a single-species fungal genus in the family Graphidaceae. It contains the species Borinquenotrema soredicarpum, a corticolous (bark-dweling) lichen. Found in Puerto Rico, this lichen is characterized by its carbonized (blackened and brittle) ascomata, which develop from within soralia, and its distinctive distoseptate, violet-blue ascospores. Borinquenotrema soredicarpum grows on tree trunks in shaded understory environments of Tabonuco forests in El Yunque National Forest.

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Thalloloma rubromarginatum is a little-known species of corticolous (bark-dwelling) script lichen in the family Graphidaceae. This lichen stands out from its counterparts within its genus, most notably Thalloloma haemographum, due to its corticate thallus and the presence of norstictic acid. Thalloloma rubromarginatum is found in the Sierra palm forests of Puerto Rico.

Pseudotopeliopsis is a genus of lichen-forming fungi in the family Graphidaceae. It has two species.

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Pseudochapsa isidiifera is a species of corticolous (bark-dwelling), crustose lichen in the family Graphidaceae. Found in Brazil, it was first formally described as a new species in 2009 by the lichenologists Andreas Frisch and Klaus Kalb, as a member of the genus Chapsa. The type specimen was collected by Kalb in 1980 in a rainforest along the Rio Negro, between 100 and 200 km (62 and 124 mi) upstream from Manaus. The species epithet isidiifera refers to the presence of isidia on the thallus. Sittiporn Parnmen, Robert Lücking, and Helge Thorsten Lumbsch transferred the taxon to the genus

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