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

Lecanora tropica Zahlbr.

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Scientific name
Lecanora tropica
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 dispersed-verrucose to verruculose or continuous to nearly byssoid, yellowish white to yellowish grey, sessile apothecia, disc pale to dark red-brown, pigment not dissolving in K, ellipsoidal ascospores, 11.5–17.0 × 6.5–9.0 µm (Lumbsch and Elix, 2004, Caceres, 2007).

Why suggested for a Global Red List Assessment?

Due to all the previous information this species might be considered as Least Concern (LC) until a better understanding.

Geographic range

This is species is known in 35 countries. In Brazil, 199 occurrences to this species are known, located in South, Southeast, Midwest, North and Northeast of Brazil according to GBIF database.

Population and Trends

There are 483 records in GBIF database, distributed in Brazil (199 records), Australia (94 records), Thailand (51 records), and the other occurrences are distributed in small percentages.

Population Trend:

Habitat and Ecology

This species is widespread in Pantropical areas, occurring in Mangroves, Rainforest margins and gallery, Dry to Wetland forests, and over lowland to montane forest. 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 Dry ForestSubtropical/Tropical Moist Lowland ForestSubtropical/Tropical Mangrove Forest Vegetation Above High Tide LevelSubtropical/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