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

Phellinus rhytiphloeus (Mont.) Ryvarden

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Scientific name
Phellinus rhytiphloeus
(Mont.) Ryvarden
Common names
IUCN Specialist Group
Mushroom, Bracket and Puffball
Assessment status
Proposed by
Virton Rodrigo Targino de Oliveira
Comments etc.
Virton Rodrigo Targino de Oliveira, Tatiana Gibertoni

Assessment Notes

Taxonomic notes

Fulvifomes rhytiphloeus seems to be a Neotropical species that may have been misidentified by F. fastuosus and F. nilgheriensis, of possible Asian distribution, F. kawakami, an American species, and a new species yet to be published from the Brazilian Amazonia (and vice-versa). Fulvifomes rhytiphloeus is distinguished by its flattened basidiome with a yellowish brown context, discoloring to red in KOH, and a thin black line separating an upper thin, ochre brown (Campos-Santana et al. 2015, Jayawardena et al. 2019).

Why suggested for a Global Red List Assessment?

Geographic range

The species is known in 7 countries. In Brazil, it is known in 13 of the 26 states.

Population and Trends

There are about 60 records in 7 countries, the vast majority in Brazil.

Population Trend: Uncertain

Habitat and Ecology

Neotropical species. In Brazil the species is found in Amazonia and Atlantic Forest.

Subtropical/Tropical Moist Lowland Forest


The species is well distributed in Brazil, present in pluvial forest domain. However, the Amazon has currently the highest rates of deforestation in the last decades and the Atlantic Forest is already a hotspot.

Housing & urban areasShifting agricultureAgro-industry farmingSmall-holder plantationsAgro-industry plantationsRoads & railroadsUnintentional effects (species being assessed is not the target)Unintentional effects: subsistence/small scale (species being assessed is not the target) [harvest]Unintentional effects: large scale (species being assessed is not the target) [harvest]Increase in fire frequency/intensityHabitat shifting & alteration

Conservation Actions

Some records in Brazil are in unprotected areas.

Resource & habitat protectionSite/area managementHabitat & natural process restoration

Research needed

Other areas should be studied in order to assess the distribution of this species.

TaxonomyPopulation size, distribution & trendsArea-based Management Plan

Use and Trade




Country occurrence

Regional Population and Trends

Country Trend Redlisted