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

Arcyria cinerea (Bull.) Pers.

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Scientific name
Arcyria cinerea
(Bull.) Pers.
Common names
IUCN Specialist Group
Chytrid, Zygomycete, Downy Mildew and Slime Mould
Assessment status
Proposed by
Jaíne Parentes
Comments etc.
Jaíne Parentes, Andressa Vieira da Silva

Assessment Notes

Taxonomic notes

Arcyria cinerea is recognized by its cylindrical sporocarps, almost white, gray or beige, capillitium firmly connected to the cup, strongly warted or spinulose at the base and covered with spines and half rings at the periphery.

Why suggested for a Global Red List Assessment?

Although to be a well distributed species, in Brazil this species need attention because many records are from endangered biomes. Thus, we suggest this species to be categorized in Least Concern.

Geographic range

Population and Trends

Population Trend:

Habitat and Ecology

In Brazil this species can be found on dead leaves, aerial leaf litter, living bark tree and decomposing trunk in Amazon and Atlantic forest, riparian forest and savanna.

Subtropical/Tropical Moist Lowland ForestSubtropical/Tropical Mangrove Forest Vegetation Above High Tide LevelSubtropical/Tropical Moist Montane ForestDry SavannaMoist Savana


The specie is well distributed in Brazil, mostly in northeast region, it is present in Biomes which have been losing its biological diversity due to deforestation, agricultural activities and urbanization.

Housing & urban areasCommercial & industrial areasShifting agricultureAgro-industry farmingRoads & railroadsIntentional use (species being assessed is the target)Intentional use: subsistence/small scale (species being assessed is the target) [harvest]Intentional use: large scale (species being assessed is the target) [harvest]Increase in fire frequency/intensityAcid rainHabitat shifting & alterationDroughtsTemperature extremesStorms & flooding

Conservation Actions

Some of the records in Brazil are in unprotected areas.

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

Research needed

More researches in Brazil are necessary, concernig field collection and moist chamber techniques using various types of substrate.

TaxonomyPopulation size, distribution & trendsArea-based Management Plan

Use and Trade




Country occurrence

Regional Population and Trends

Country Trend Redlisted