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

Tulasnella robusta Gresl. & Rajchenb.

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Scientific name
Tulasnella robusta
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

Basidiocarp resupinate, effuse, thin, lilaceous pink when fresh, yellow-ochre when dried. Microscopically is distinguished by its big (17-25 x 7-9 µm), cylindrical to suballantoid spores.

Why suggested for a Global Red List Assessment?

Tulasnella robusta is a very rare tulasnelloid fungi recorded only once in Tierra del Fuego (Argentina). This single record was in 1975 and no further records have been reported, eventhough the extensive surveys conducted between from 1995 to 1999 in the island. This seems to indicate a decline in the population of the species. On this base the species should be assessed as near threatened (NT) or vulnerable (VU) under the criteria A4 (a), D.

Geographic range

Recorded in only one locality in Tierra de Fuego island: Ushuaia, El Martial glacier valley.

Population and Trends

Population size unknown. The species is known from one location.
Population Trend: Presumably decreasing

Population Trend: Decreasing

Habitat and Ecology

Growing on rotten wood of Nothofagus betuloides.

Temperate Forest


Presumably very small population.

Tourism & recreation areasUnintentional effects (species being assessed is not the target)

Conservation Actions

Site/area protection

Research needed

The species is poorly known since it has been recorded only once. It is important to survey intensively the locality where it was found in order to confirm it presence and assess population size.
Molecular phylogenetic studies are also needed.

TaxonomyPopulation size, distribution & trendsLife history & ecology

Use and Trade


Country occurrence

Regional Population and Trends

Country Trend Redlisted