''Porina huainamdungensis'' is a species of

lichen A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.Trichotheliaceae Trichotheliaceae is a family of lichen-forming fungi in the order Gyalectales. The family was circumscribed by Friedrich von Schilling and Friedrich August Georg Bitter in 1927. In a recent (2018) molecular phylogenetic analysis, Trichothelia ...

. Known from

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

, where it grows in lower-elevation montane

rainforest Rainforests are characterized by a closed and continuous tree canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforest can be classified as tropical rainforest or temperate rainfores ...

s, it was described as new to science in 2011. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

refers to the type locality,

Huai Nam Dang National Park Huai Nam Dang National Park ( th, อุทยานแห่งชาติห้วยน้ำดัง) is a national park in Thailand's Mae Hong Son and Chiang Mai Provinces. This mountainous park features scenic mountain viewpoints, waterfal ...

Chiang Mai Province Chiang Mai ( th, เชียงใหม่, ; nod, , ) is the largest Province (''changwat'') of Thailand. It lies in upper northern Thailand and has a population of 1.78 million people. It is bordered by Chiang Rai to the northeast, Lam ...

References

Lichens described in 2011 Lichen species Lichens of Thailand Gyalectales Taxa named by Robert Lücking {{Lecanoromycetes-stub