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

Brigantiaea leucoxantha (Spreng.) R. Sant. & Hafellner

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Scientific name
Brigantiaea leucoxantha
(Spreng.) R. Sant. & Hafellner
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 white or pale grey thallus, vivid orange (sometimes with yellow-orange pruina) apothecia dispersed over the thallus, ascospores hyaline and muriforme, thin-walled with angular lumina.

Why suggested for a Global Red List Assessment?

This species is known in 36 different localities, common and widespread species in the neotropics, with 1,068 records according to GBIF database, this species might be considered as Least Concern.

Geographic range

This species is known in 36 different localities, being one common and widespread species in the neotropics. In Brazil, 121 records to this species are known located in the Northeast, Southeast, and South of Brazil according to GBIF database.

Population and Trends

There are 1,068 records in GBIF database, distributed in The USA (690 records), Brazil (121 records), Costa Rica (40 records), Australia (31 records), and the other records are distributed in small percentages.

Population Trend:

Habitat and Ecology

This species is related to lowland and lower Montane, Tropical, and Subtropical. Also, related to Swamp forest. In Brazil, This species can be found at the Atlantic Rainforest.

Subtropical/Tropical Moist Lowland ForestSubtropical/Tropical Swamp ForestSubtropical/Tropical Moist Montane Forest


In Brazil, this species can be founded in Atlantic Rainforest that is a biome that still suffers 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, a few records are related to protected areas; although these same areas still suffering continuous anthropic actions, such as criminal caused deforestation and fire, that cause negative suppression to lichens’ species.

Resource & habitat protectionSite/area managementHabitat & natural process restorationFormal education

Research needed

The taxonomy about this species is already successfully established as a result of a world monograph of Brigantiaea by Hafellner in 1997. However, studies applied to ecology, species size and distribution might be necessary.

TaxonomyPopulation size, distribution & trends

Use and Trade



Country occurrence

Regional Population and Trends

Country Trend Redlisted