| Parmotrema afrocetratum | |
|---|---|
Scientific classification  | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Lecanorales |
| Family: | Parmeliaceae |
| Genus: | Parmotrema |
| Species: | P. afrocetratum |
| Binomial name | |
| Parmotrema afrocetratum Elix, Eb.Fischer & Killmann (2005) | |
Parmotrema is a species of saxicolous lichen in the family Parmeliaceae. Described as new to science in 2005, it is found in Rwanda. [1]
Parmotrema is a genus of lichen belonging to the family Parmeliaceae. It is a large genus, containing an estimated 300 species, with a centre of diversity in subtropical regions of South America and the Pacific Islands.
Parmotrema awasthii is a species of foliose lichen in the family Parmeliaceae. Found in India, it was described as new to science in 2003.
Parmotrema asperum is a species of saxicolous lichen in the family Parmeliaceae. Found in Brazil, it was described as new to science in 2008. The milky-grey thallus of the lichen is up to 11 centimetres (4.3 in) in diameter, consisting of irregularly branched lobes measuring 2.0–6.5 mm wide. The lichen is named for the coarse appearance of the thallus.
Parmotrema applanatum is a species of saxicolous lichen in the family Parmeliaceae. Originally described from collections made in Vale do Sol, Brazil, it was introduced as new to science in 2002. In 2005, the lichen was recorded in China. The lichen has a grey thallus up to 6 cm (2.4 in) wide, comprising lobes that are 0.2–0.6 mm wide. It grows on tree-shaded rocks in open woods. The species is difficult to collect because the thallus adheres strongly to its substrate. The specific epithet appalantum refers to "the notoriously plane habit of the thalli". Parmotrema applanatum resembles P. hababianum, but differs from that species in lacking cilia, and containing traces of usnic acid and atranorin in its upper cortex.
Parmotrema alectoronicum is a species of saxicolous lichen in the family Parmeliaceae that was introduced as new to science in 2002. It was originally described from collections made in Serra do Caraça, Brazil, where it was found growing at an elevation of 1,220 m (4,000 ft). The lichen has a yellowish-green thallus up to 9 cm (3.5 in) wide, comprising lobes that are 2.0–4.0 mm wide. The margins of the lobes have cilia that are up to 1.5 mm long. The specific epithet alectoronicum refers to the presence of alectoronic acid in the medulla. This presence of this compound, as well as usnic acid in its cortex, is a rare combination in the genus Parmotrema.
Parmotrema alidactylatum is a species of saxicolous lichen in the family Parmeliaceae. Found in Argentina, it was described as new to science in 1998. The holotype was collected in Cerro Colorado in northern Córdoba Province, where it was found growing on granite. The thallus of the lichen is foliose, with a grey colour, and measures up to 10 cm (4 in) across. The specific epithet alidactylatum refers to the presence of aliphatic acids in the medulla and the dactylate upper surface. Parmotrema alidactylatum is similar in appearance and morphology to P. tsavoënse, but has different medullary chemistry.
Parmotrema soredioaliphaticum is a species of saxicolous lichen in the family Parmeliaceae. Found in South America, it was described as new to science in 1998. The holotype was collected in Cerro Colorado in northern Córdoba Province, Argentina, where it was found growing on a rock. The thallus of the lichen is foliose, with a pale grey colour, and measures up to 10 cm (4 in) across. It is a morph of the species Parmotrema alidactylatum with sorediate dactyls. Parmotrema soredioaliphaticum was reported from Bolivia in 2012.
Parmotrema abessinicum is a species of corticolous lichen in the family Parmeliaceae. It has been recorded from Africa, Asia, and Oceania.
Parmotrema aurantiacoparvum is a species of corticolous lichen in the family Parmeliaceae. Found in South America, it was described as new to science in 1992. Its thallus is pale grey or slightly brownish in colour, measuring 2–4 cm (0.8–1.6 in) wide. The lichen has been collected in Colombia, Guyana, French Guiana, Venezuela, and Brazil. It grows on canopy branches and on small trees in well-lit areas of forests or clearings.
Parmotrema adspersum is a species of lichen in the family Parmeliaceae. It was originally described as a species of Parmelia by Edvard August Vainio in 1907. John Elix transferred it to Parmotrema in 2002, reasoning that its thick-walled ascospores are typical of that genus. Parmotrema adspersum is common in Thailand and the Philippines.
Parmotrema aldabrense is a species of lichen in the family Parmeliaceae that is found in Africa. It was first described by Carroll William Dodge in 1959 as a species of Parmelia. Mason Hale transferred it to the genus Parmotrema in 1974. The type collection was made in the Aldabra Islands, where it was found growing on tamarind. It has also been recorded from Madagascar. The lichen has an olive-buff coloured thallus measuring up to 14 cm (5.5 in) in diameter.
Parmotrema amboimense is a species of lichen in the family Parmeliaceae that is found in Africa. It was first described by Carroll William Dodge in 1959 as a species of Parmelia. Mason Hale transferred it to the genus Parmotrema in 1974. The type collection was made in Cuanza Sul Province (Angola), where it was found growing at an elevation of 1,000 m (3,300 ft); Dodge also noted the presence of the lichen in Cameroon and Uganda. Parmotrema amboimense has a pale olive-buff coloured thallus measuring up to 10 cm (4 in) in diameter.
Parmotrema mellissii is a widely distributed species of corticolous lichen in the family Parmeliaceae. It was first described by Carroll William Dodge in 1959 as a species of Parmelia. Mason Hale transferred it to the genus Parmotrema in 1974. The type collection was made in Saint Helena. Parmotrema mellissii has a pale yellowish-buff coloured thallus at least 12 cm (5 in) in diameter, comprising rounded lobes about 15 mm wide and long. It has been found in the southern U.S.A., the Neotropics from Mexico to Colombia and Brazil, Africa, Asia, Australia and Oceania.
Parmotrema anchietanum is a species of saxicolous lichen in the family Parmeliaceae. Found in South America, it was described as new to science in 2008. The holotype was collected on the rocky shore of Anchieta Island in São Paulo; the lichen is named after the type locality. Its leathery, pale grey thallus measures up to 16 cm (6.3 in) in diameter, composed of irregularly branched lobes that are typically 1–3 mm wide. Secondary compounds present in the lichen include atranorin and chloratranorin in the cortex, and salazinic acid and consalazinic acid in the medulla.
Parmotrema amaniense is a species of corticolous lichen in the family Parmeliaceae. Found in Africa, the lichen was originally described by J. Steiner and A. Zahlbruckner as a species of Parmelia in 1926. The holotype collection was made in Usambara (Tanzania) at an elevation of 800 metres (2,600 ft). Krog & Swinscow transferred the taxon to Parmotrema in 1983. Secondary chemicals present in Parmotrema amaniense include alectoronic acid, protocetraric acid, and atranorin. In addition to Tanzania, it has been recorded in Uganda, Angola, Malawi, Mozambique, Sierra Leone, Zambia, and Zimbabwe.
Parmotrema apricum is a species of corticolous lichen in the family Parmeliaceae that is found in Africa. It was originally placed in the genus Parmelia by authors Krog and Swinscow in 1981. The holotype collection was made in the Machakos County, north of Kibwezi town in Kenya, where it was found growing on shrubs in a sun-exposed dry location. Two laters later, the authors transferred it to the genus Parmotrema.
Parmotrema zicoi is a species of saxicolous lichen in the family Parmeliaceae. Found in Brazil, it was introduced as new to science in 2002.
Robert "Bob" Shaw Egan is a botanist and lichenologist, specializing in the family Parmeliaceae. He was the president of the American Bryological and Lichenological Society from 1999 to 2001.
Parmotrema gardneri is a species of foliose lichen in the family Parmeliaceae. It was first formally described in 1955 by Carroll William Dodge as Parmelia gardneri, from specimens collected in Brazil. Emmanuël Sérusiaux transferred it to the genus Parmotrema in 1984. In addition to South America, it is also found in Africa, Asia, and North America.
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