• Proposed
  • 2Under Assessment
  • 3Preliminary Assessed
  • 4Assessed
  • 5Published

Herpothallon aurantiacoflavum (B. de Lesd.) Aptroot, Lücking & G. Thor

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Scientific name
Herpothallon aurantiacoflavum
(B. de Lesd.) Aptroot, Lücking & G. Thor
Common names
IUCN Specialist Group
Assessment status
Proposed by
Isaias de Oliveira Junior
Comments etc.
Isaias de Oliveira Junior

Assessment Notes

Taxonomic notes

This species is known by its corticolous, more or less compact-felty to byssoid, sulphur, yellow to yellowish-orange to orange-red thallus, byssoid yellowish-orange to orange-red prothallus, asci and pycnidia not seen (Aptroot et al., 2009).

Synonymy: Chiodecton aurantiacoflavum B. de Lesd., Rev. Bryol. Lichénol., N.S. 7: 61 (1934)

Why suggested for a Global Red List Assessment?

Due to all the previous information this species might be considered as Near Threatened (NT) until a better understanding.

Geographic range

This is species is known in 12 countries. In Brazil, 12 occurrences to this species are known, located in North and Northeast of Brazil according to GBIF database.

Population and Trends

There are 60 records in GBIF database, distributed in Peru (24 records), Brazil (12 records), Costa Rica (6 records), and the other occurrences are distributed in small percentages.

Population Trend:

Habitat and Ecology

This species is widespread in Tropical areas, found in lowland to lower montane rainforests. In Brazil, this species can be found at the Atlantic Rainforest in Northeast, Midwest, South and Southeast of Brazil, and at the Amazon Rainforest in North of Brazil.

Subtropical/Tropical Moist Lowland ForestSubtropical/Tropical Moist Montane Forest


In Brazil, this species commonly founded in Atlantic and Amazon Rainforest that are biomes that still suffer anthropic actions in special wildfire, natural and criminal caused, and area suppression.

Tourism & recreation areasSmall-holder farmingAgro-industry farmingSmall-holder plantationsAgro-industry plantationsRoads & railroadsUnintentional effects (species being assessed is not the target)Increase in fire frequency/intensityHabitat shifting & alteration

Conservation Actions

In Brazil, the records are related to preserved areas, but unfortunately, those spaces still being affected by negatives influences. So, formal education to the population that lives near those areas and the park managers can start to change the situation.

Resource & habitat protectionHabitat & natural process restorationFormal education

Research needed

Actions that are orientated to taxonomy and exploration to new sites need to be stimulated until a better understanding of this species status.

TaxonomyPopulation size, distribution & trends

Use and Trade



Country occurrence

Regional Population and Trends

Country Trend Redlisted