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

Protogaster rhizophilus Thaxt.

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Scientific name
Protogaster rhizophilus
Author
Thaxt.
Common names
 
IUCN Specialist Group
Mushroom, Bracket and Puffball
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Boletales
Family
Protogastraceae
Assessment status
Under Assessment
Proposed by
Catia Canteiro
Assessors
Susana P. Cunha, Susana C. Gonçalves
Comments etc.
Catia Canteiro

Assessment Notes

Justification

Protogaster rhizophilus is only known from its description, from specimens collected in 1895. It is not possible to determine current population size so the species is assessed as Data Deficient (DD).


Taxonomic notes

P. rhizophilus is the only member of the monotypic genus Protogaster and the family Protogastraceae, which were erected to accommodate this species based on its distinct morphological characteristics (Zeller, 1934). No phylogenetic studies or molecular data is available.


Why suggested for a Global Red List Assessment?


Geographic range

Only known from one location in Maine in the United States of America (Zeller, 1934).


Population and Trends

The species is only known from collections made in 1895 in one location (Zeller, 1934). It may be a rare species, but the number of records is also certainly limited by its very inconspicuous fruitbodies, which are both hypogeous and small (0.1 to 0.5 mm in diameter). Given that it was found in association with Viola sp. roots, it may also have a large area of appropriate habitat and wider distribution. Without targeted search efforts it is not possible to estimate current population size.

Population Trend: Uncertain


Habitat and Ecology

Hypogeous species, found growing in association with roots of cultivated Viola sp., one to three inches bellow the surface. (Zeller, 1934)


Threats

Unknown.


Conservation Actions


Research needed

Further research is needed to determine habitat preference, distribution and population size for this species.

TaxonomyPopulation size, distribution & trendsLife history & ecologyThreats

Use and Trade


Bibliography


Country occurrence

Regional Population and Trends

Country Trend Redlisted