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

Diorygma confluens (Fée) Kalb, Staiger & Elix

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Scientific name
Diorygma confluens
Author
(Fée) Kalb, Staiger & Elix
Common names
 
IUCN Specialist Group
Lichens
Kingdom
Fungi
Phylum
Ascomycota
Class
Lecanoromycetes
Order
Ostropales
Family
Graphidaceae
Assessment status
Proposed
Proposed by
Isaias de Oliveira Junior
Comments etc.
Isaias de Oliveira Junior

Assessment Notes

Taxonomic notes

This species is known by its whitist, pale gray, yellowish or pale green thallus, prothallus often well developed, pale brown, lirellae ascocarps immersed or same level as the thallus, 1- ascus, hyaine, muriform, 20-36x5-12 (Kalb et al., 2004).


Why suggested for a Global Red List Assessment?

This is species is known in 9 countries, with 63 records in GBIF database. Also, this species occurs in Neotropical areas. In Brazil, this species records are related to Atlantic Rainforest and Amazon Rainforest. 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 nine countries. In Brazil, two occurrences to this species are known, located in North, Northeast, Midwest, South and Southeast of Brazil according to GBIF database.


Population and Trends

There are 63 records in GBIF database, distributed in Costa Rica (23 records), Brazil (18 records), Jamaica (6 records), and the other occurrences are distributed in small percentages.

Population Trend:


Habitat and Ecology

This species is predominately recorded in Neotropical regions, occurring in Lowland to Submontane Rainforests, Savannas in open situations. 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

Threats

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

Unknown

Bibliography


Known distribution - countries

Regional Population and Trends

Country Trend Redlisted