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

Nigrospora sphaerica (Sacc.) E.W. Mason

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Scientific name
Nigrospora sphaerica
(Sacc.) E.W. Mason
Common names
IUCN Specialist Group
Cup-fungi, Truffles and Allies
Incertae sedis
Assessment status
Proposed by
Anthony Cavalcanti
Comments etc.
Anthony Cavalcanti

Assessment Notes

Taxonomic notes

Nigrospora sphaerica produces single-celled, black, spherical to subspherical conidia, carried in a hyaline vesicle at the tip of
each conidiophore (Alam et al., 2018).

Why suggested for a Global Red List Assessment?

Due to the several records worldwide, I suggest this species to be categorized as Least Concern.

Geographic range

It is a common species, with records in 23 countries.

Population and Trends

Nigrospora sphaerica has a wide distribution with about 77 records.

Population Trend:

Habitat and Ecology

In Brazil, Nigrospora sphaerica is found as an endophyte of Atlantic Forest plants and a phytopathogen in some commercial crops.

Subtropical/Tropical Dry ForestSubtropical/Tropical Moist Lowland ForestSubtropical/Tropical Mangrove Forest Vegetation Above High Tide LevelSubtropical/Tropical Moist Montane Forest


It is a common species in several countries, presenting no apparent threats.

Housing & urban areasCommercial & industrial areas

Conservation Actions

Many of the records in Brazil are in unprotected areas.

Site/area protectionResource & habitat protection

Research needed

Other biomes must be studied to assess the distribution of this species.

TaxonomyPopulation size, distribution & trendsLife history & ecology

Use and Trade

The species shows good results in the production of vinblastine, an alkaloid with antitumor properties (Ayob et al., 2017).

Medicine - human & veterinary


Known distribution - countries

Regional Population and Trends

Country Trend Redlisted