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

Nothocorticium patagonicum Gresl. & Rajchenb.

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Scientific name
Nothocorticium patagonicum
Gresl. & Rajchenb.
Common names
IUCN Specialist Group
Mushroom, Bracket and Puffball
Assessment status
Proposed by
Alina Greslebin
Comments etc.
Alina Greslebin

Assessment Notes

Taxonomic notes

Nothocorticium patagonicum is a corticioid species growing on bark of living Nothofagus betuloides and N. pumilio trees but also on decayed wood of the same species. When growing on bark basidiomes are small, orbicular to oblong, peach-colored (orage-pink, to pink reddish). Margin with profuse, white hyphal strands. When growing on decayed wood basidiomes are widely effuse and bigger. Subiculum cottony and white, contrasting with the hymenial surface. Microscopically is characterized by the large, 2-sterigmate basidia, large basidiospores with a blunt apiculus and predominately thick-walled, narrow generative hyphae that culminate in the hymenium as simple or branched, strongly encrusted hyphidia.

Why suggested for a Global Red List Assessment?

Nothocorticium patagonicum is a very particular corticioid fungi growing on Nothofagus spp. in Patagonia Argentina. The species has some unusual morphological and ecological features that make it of special interest for science. Eventhough it is not seriously threatened in not a common species and deserves to be included in the list as a Least Concern (LC)

Geographic range

Nothofagus dombeyi and Nothofagus pumilio forests of Patagonisn Andes forests.

Population and Trends

Not rare but not a common species.
Population Trend: Presumably stable

Population Trend: Stable

Habitat and Ecology

The species has an unusual ecology because it grows on bark of living Nothofagus trees but also on much decayed wood. The species that grows on living bark are usually restricted exclusively to that sustrate (eg. Dendrothele species), but it is not the case of N. patagonicum which can grows on a very different substrate as the much decayed wood.

Temperate Forest


No major threats. Only habitat disturbance and reduction by human impacts (mostly logging and wood harvesting and fire).

Tourism & recreation areasUnintentional 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/intensity

Conservation Actions

Resource & habitat protection

Research needed

Research on taxonomy and biology are needed to understand this unusual species.

TaxonomyPopulation size, distribution & trendsLife history & ecology

Use and Trade


Country occurrence

Regional Population and Trends

Country Trend Redlisted