Pertusaria aptrootii is a species of crustose lichen in the family Pertusariaceae. It was described as a new species in 1998 by Alan W. Archer and John Alan Elix. The lichen occurs in Papua New Guinea, and is known from only two specimens collected at the type locality. The type was collected in Varirata National Park at an altitude of 800 m (2,600 ft), where it was found growing on conglomerate rock. It is named after Dutch lichenologist André Aptroot, who collected the type.
Salazinic acid is a depsidone with a lactone ring. It is found in some lichens, and is especially prevalent in Parmotrema and Bulbothrix, where its presence or absence is often used to help classify species in those genera.
Pertusaria salazinica is a species of crustose lichen in the family Pertusariaceae. Found in Australia, it was described as a new species in 2017 by lichenologists Alan Archer and John Alan Elix. The type specimen was collected in Tully Gorge National Park (Queensland) at an altitude of 885 m (2,904 ft). Here, in a montane rainforest, it was found growing on a rotting log. The specific epithet refers to the presence of salazinic acid, a major secondary compound in the lichen. It also contains norstictic acid as a major metabolite, and connorstictic acid as a minor metabolite. Pertusaria salazinica is only known from the type specimen.
Diorygma salazinicum is a rare species of lichen in the family Graphidaceae. Found in Thailand, it was formally described as a new species in 2014 by Jutarat Sutjaritturakan and Klaus Kalb. The type specimen was collected in Tambon Wangmai, where it was found growing on the bark of an unidentified deciduous tree. The lichen is only known from the type locality. The specific epithet refers to the presence of salazinic acid, a secondary chemical. Other compounds occurring in the lichen are stictic acid, minor amounts of cryptostictic acid and peristictic acid, as well as trace amounts of norstictic acid.
Pertusaria lichexanthofarinosa is a rare species of crustose and corticolous (bark-dwelling) lichen in the family Pertusariaceae. Found in Bahia, Brazil, it was formally described as a new species in 2018 by lichenologists André Aptroot and Marcela Eugenia da Silva Cáceres. The type specimen was collected by the authors near the Cachoeira do Mosquito at an altitude between 450 and 500 m ; here the lichen was found growing on tree bark in Atlantic Forest. Pertusaria lichexanthofarinosa is only known to occur at the type locality, and is only known from the type specimen. The specific epithet lichexanthofarinosa refers both to the presence of the cortical secondary chemical lichexanthone, as well as the farinose soredia.
Pertusaria lichexanthoimmersa is a rare species of crustose and corticolous (bark-dwelling) lichen in the family Pertusariaceae. Found in Bahia, Brazil, it was formally described as a new species in 2018 by lichenologists André Aptroot and Marcela Eugenia da Silva Cáceres. The type specimen was collected by the authors from the Morro do Pai Inácio at an altitude between 1,050 and 1,140 m ; here the lichen was found growing on tree bark in a transitional forest. Pertusaria lichexanthoimmersa is only known to occur at the type locality, and is only known from the type specimen. The specific epithet lichexanthoimmersa refers both to the presence of lichexanthone as a secondary chemical, and the apothecia, which are immersed in the thallus. The lichen also contains norstictic acid.
Lecanora lichexanthona is a species of crustose and saxicolous (rock-dwelling) lichen in the family Lecanoraceae. Found in Brazil, it was formally described as a new species in 2000 by lichenologist Roland Guderley. The type specimen was collected by Klaus Kalb in a closed cerradão between Rio Verde de Mato Grosso and Coxim where it was found growing on siliceous rock. The specific epithet lichexanthona refers to the presence of the chemical lichexanthone as a major secondary in the lichen. Other compounds in the lichen are atranorin, hybocarpone, constipatic acid, and norlichexanthone. Lecanora lichexanthona is only known to occur in cerradão formations in central Brazil, at altitudes between 500 and 850 m.
Pertusaria epacrospora is a rare species of corticolous (bark-dwelling), areolate lichen in the family Pertusariaceae. Found in Australia, it was formally described as a new species in 1991 by lichenologist Alan W. Archer. The type specimen was collected in Park Beach at sea level; here, it was found growing on trees in a coastal sand dune. The lichen has a thin, pale yellowish-green thallus lacking soredia and isidia. It has numerous wart-shaped apothecia, the same colour as the thallus, which measure 0.4–0.8 mm in diameter and which have a single, inconspicuous ostiole. The ascospores, which number 2 per ascus, are smooth and fusiform (spindle-shaped), typically measuring 125–150 μm long by 35–45 μm wide. Pertusaria epacrospora is only known to occur at the type locality. Secondary compounds found in the lichen are thiophaninic acid and stictic acid as major components, and minor to trace amounts of constictic acid and hypostictic acid.
Pertusaria pseudoparotica is a species of saxicolous (rock-dwelling), crustose lichen in the family Pertusariaceae. It is known from a few localities in Greece's Aegean Islands.
Pertusaria archeri is a rare species of corticolous (bark-dwelling), crustose lichen in the family Pertusariaceae. Found in Thailand, it was formally described as a new species in 2005 by Sureeporn Jariangprasert. The type specimen was collected by the author from Doi Khun Tan National Park at an altitude of 1,010 m (3,310 ft), where it was found in an evergreen forest growing on the bark of Styrax. The species epithet honours Australian lichenologist Alan W. Archer, an authority of Pertusaria taxonomy. The main distinguishing characteristics of Pertusaria archeri are its two-spored asci, and the presence of depside methyl esters as lichen products.
Pertusaria bokluensis is a rare species of corticolous (bark-dwelling), crustose lichen in the family Pertusariaceae. Found in Thailand, it was formally described as a new species in 2005 by Sureeporn Jariangprasert. The type specimen was collected from the Bo Kluea Nhuea community at an altitude of 1,000 m (3,300 ft), where it was found growing on the bark of Dalbergia. It is only known from the type specimen. The species epithet combines the name of the type locality with the Latin adjective -ensis, meaning "place of origin". The main distinguishing characteristics of Pertusaria bokluensis are the eight-spored asci, and the presence of the lichen products 4,5-dichlorolichexanthone and 2,2'-di-O-methylstenosporic acid.
Pertusaria elixii is a rare species of corticolous (bark-dwelling), crustose lichen in the family Pertusariaceae. Found in Thailand, it was formally described as a new species in 2005 by Sureeporn Jariangprasert. The type specimen was collected by the author from Doi Inthanon National Park at an altitude of 1,900 m (6,200 ft), where it was found growing on Betula alnoides. The species epithet honours Australian lichenologist John Elix, who assisted the author in chemical analysis of lichen specimens. Pertusaria elixii is distinguished from related species by the number of ascospores in its ascus (four), and the presence of 2'-O-methyl-substituted homologues of perlatolic acid.
Pertusaria hypostictica is a species of corticolous (bark-dwelling), crustose lichen in the family Pertusariaceae. Found in Thailand, it was formally described as a new species in 2005 by Sureeporn Jariangprasert. The type specimen was collected from Khao Yai National Park at an altitude of 1,233 m (4,045 ft), where it was found growing on the bark of a Fagaceae plant. It has also been found in the peninsular region in the southern part of Thailand. The species epithet refers to the presence of hypostictic acid as a minor lichen product. It also contains stictic acid as a major substance, minor amounts of cryptostictic acid, peristictic acid, substictic acid, and trace amounts of constictic acid.
Pertusaria inthanonensis is a species of crustose lichen in the family Pertusariaceae. Found in northern and northeastern Thailand, it was formally described as a new species in 2005 by Sureeporn Jariangprasert. The type specimen was collected by the author from the Doi Inthanon National Park at an altitude of 1,900 m (6,200 ft), where it was found growing on the bark of a birch tree. The species epithet combines the name of the type locality with the Latin suffix ensis. The main distinguishing characteristics of the lichen are its asci that contain either two or four smooth ascospores, and the presence of confluentic acid, stictic acid, and lichexanthone. The latter substance causes the thallus to fluoresce a bright yellow colours when lit with a long-wavelength UV light.
Pertusaria kansriae is a rare species of corticolous (bark-dwelling), crustose lichen in the family Pertusariaceae. Found in Thailand, it was formally described as a new species in 2005 by Sureeporn Jariangprasert. The type specimen was collected by the author from the Doi Inthanon National Park at an altitude of 980 m (3,220 ft), where it was found growing on a tree trunk in a mixed forest; the species is known only from this specimen. The species epithet kansriae honours Thai lichenologist Kansri Boonpragob, who inspired the author to study lichens. Distinguishing characteristics of the lichen are the number of ascospores in the ascus (four), and the presence of the lichen products 4,5-dichlorolichexanthone and 2'-O-methylstenosporic acid.
Pertusaria krabiensis is a rare species of corticolous (bark-dwelling), crustose lichen in the family Pertusariaceae. Found in peninsular Thailand, it was formally described as a new species in 2005 by Sureeporn Jariangprasert. The type specimen was collected from near the Wat Thamp Suea Temple in Krabi; the species is known only from the type. The species epithet combines the name of the type locality with the Latin suffix -ensis ("place of origin". The main distinguishing characteristics of Pertusaria krabiensis are its uniseriate ascospores, and the presence of homologues of the lichen product 2-O-methylperlatolic acid.
Pertusaria siamensis is a species of corticolous (bark-dwelling), crustose lichen in the family Pertusariaceae. Found in Thailand, it was formally described as a new species in 2005 by Sureeporn Jariangprasert. The type specimen was collected by the author from the Chae Son National Park at an altitude of 720 m (2,360 ft), where it was found in a dry dipterocarp forest growing on Shorea obtusa. The lichen is common in several Thai national parks in various parts of the country, occurring at elevations ranging from 200 to 1,600 m. In addition to Shorea, Pertusaria siamensis has also been recorded growing on Dipterocarpus, Ficus, and Vatica. The species epithet combines the old name for Thailand ("Siam") with the Latin suffix -ensis.
Pertusaria thailandica is a species of corticolous (bark-dwelling), crustose lichen in the family Pertusariaceae. Found in Thailand, it was formally described as a new species in 2005 by Sureeporn Jariangprasert. The type specimen was collected by the author from Doi Suthep–Pui National Park at an altitude of 1,100 m (3,600 ft), where it was found growing on the bark of Cinchona. The species epithet combines the country of the type locality with the Latin suffix -ensis.
Pertusaria uttaraditensis is a rare species of corticolous (bark-dwelling), crustose lichen in the family Pertusariaceae. Found in Thailand, it was formally described as a new species in 2005 by Sureeporn Jariangprasert. The type specimen was collected from Phu Soi Dao National Park at an elevation of 1,020 m (3,350 ft), where it was found growing on a foetid vine near a dry dipterocarp forest. The species epithet combines the province of the type locality with the Latin suffix -ensis.
