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

Fuscoporia formosana (T.T. Chang & W.N. Chou) T. Wagner & M. Fisch.

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Scientific name
Fuscoporia formosana
(T.T. Chang & W.N. Chou) T. Wagner & M. Fisch.
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

Fuscoporia formosana is distinguished by the effused-reflexed to pileate basidiomes, the abundant straight setae measuring 5–6 x 24–30 µm and the hyaline to yellowish broadly ellipsoid basidiospores measuring 1.8–2.5 x 3.5–4 µm. Fuscoporia formosana is morphologically similar to I. iodinus (Mont.) G. Cunn., I. tabacinus (Mont.) P. Karst. and I. nodulosus (Fr.) P. Karst. However, I. iodinus has small hyaline basidiospores 1.5–2 x 2.5–3 µm ; I. tabacinus has thin basidiomes, small pore size with 8–9 mm-¹ and small hyaline basidiospores 1.5–2 x 2.5–3 µm ; I. nodulosus has hoof-shaped to triquetrous basidiomes, larger setae 6–12 x 15–40 µm, and ellipsoid to subglobose basidiospores 3.5–4 x 4.5–5 µm. Fuscoporia formosana is relatively simple in its cultural characteristics. It has only generative hyphae but no other specialized hyphae and structures. The species is also very similar to F. scruposa, with a difficult morphological distinction between them (Chang & Chou 1998, Wagner & Fischer 2002).

Why suggested for a Global Red List Assessment?

Geographic range

The GBIF does not present reports for this species, however, due to its strong morphological similarity with Fuscoporia gilva complex, it is very likely that specimens are wrongly identified.

Population and Trends

Although there are no records in GBIF, the type species is from Taiwan. For Brazil, six specimens are registered in GenBank and SpeciesLink.

Population Trend: Uncertain

Habitat and Ecology

In Brazil, the species is found in Atlantic Forest and Cerrado.

Subtropical/Tropical Moist Lowland ForestDry Savanna


In Brazil, the Atlantic Forest and Cerrado are already hotspots.

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 of the 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 and also molecular analysis of similar species.

TaxonomyPopulation size, distribution & trendsArea-based Management Plan

Use and Trade




Country occurrence

Regional Population and Trends

Country Trend Redlisted