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

Geastrum berkeleyi Massee

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Scientific name
Geastrum berkeleyi
Author
Massee
Common names
Berkeley's Earthstar
sträv jordstjärna
IUCN Specialist Group
Mushroom, Bracket and Puffball
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Geastrales
Family
Geastraceae
Assessment status
Proposed
Proposed by
Mikael Jeppson
Comments etc.
Zdenko Tkalcec, Mikael Jeppson

Assessment Notes

Taxonomic notes

Geastrum berkeleyi was described from England by Massee in 1889 and first recorded from continental Europe by Hollós in 1904. Several authours have included G. pseudostriatum and G. hollosii in their concept of G. berkeleyi but molecular data have demonstrated that G. berkeleyi is distinct from G. pseudostriatum (syn. G. hollosii).


Why suggested for a Global Red List Assessment?

Although widespread globally, it has less than 300 records in GBIF database, the vast majority from Europe, where it has fragmented populations, threatened by modern forestry. Redlisted as EN and in Sweden and as CR in The UK and the Czech Republic respectively. Suggested assessment ; EN- VU (A2c)


Geographic range

Geastrum berkeleyi is, although rare, widely distributed in Europe, Asia, the Americans and Australia. Pronounced concentration of records in Europe.


Population and Trends

Although widely distributed globally, < 300 records on GBIF database, mainly concentrated to Europe where its occurrences are fragmented.

Estimated number of localities: 500
Estimated number of mature individuals: 10000

AOO: 500 km2

Population decreasing due habitat destruction/decline caused by modern forestry (historical and ongoing) .

 

Population Trend: Decreasing


Habitat and Ecology

Geastrum berkeleyi is a species of warm, shaded forested habitats. It cccurs in borth deciduous and coniferous woodlands, mostly on calcareous soil. Records from open, dry grasslands and steppic habitats should be handled with care, since they potentially belong to the closely related G. pseudostriatum.


Threats

Modern forestry involvling clear-cutting is a threat to this species having a preference for wooded habitats.


Conservation Actions

Redlisted as EN (C-crit.) in Sweden 2020, CR in the Czech Republic and the UK. Known localities should be monitored regularly to get a clearer picture of its current status and potential decline.


Research needed


Use and Trade

None


Bibliography


Country occurrence

Regional Population and Trends

Country Trend Redlisted