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Cantharellus romagnesianus Eyssart. & Buyck

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Scientific name
Cantharellus romagnesianus
Author
Eyssart. & Buyck
Common names
 
IUCN Specialist Group
Mushroom, Bracket and Puffball
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Cantharellales
Family
Cantharellaceae
Assessment status
Published
Assessment date
2024-08-08
IUCN Red List Category
LC
Assessors
Anders Dahlberg (Swedish Species Information Centre, Uppsala / IUCN SSC Cup-fungus, Truffle and Ally Specialist Group)
Reviewers
James Westrip (IUCN Red List Unit)

Assessment Notes

The content on this page is fetched from The IUCN Red List of Threatened Species: https://www.iucnredlist.org/species/265907684/265963013

Justification

Cantharellus romagnesianus is a European species of ectomycorrhizal fungus. It has predominantly been found in northern Iberia and southern France, but there are records from Austria, northern Italy, Switzerland and the United Kingdom. It is well known, though with few records (e.g. on GBIF 2024), but it is a small species and can be overlooked. It is expected to have a large population size, and tolerates degraded habitats. Therefore, it is not expected to approach the thresholds for consideration as threatened under any criterion; and C. romagnesianus is assessed as Least Concern.

Geographic range

The centre of this species' range appears to be the northern Iberian peninsula and southern France (I. Olariaga Ibarguren pers. comm. 2022). There is a recent record (confirmed by DNA sampling) from southwest England (Penna 2018). GBIF (2024) contains records from the Alpine region too, in Switzerland and northern Italy, while it also occurs in Austria (I. Krisai-Greilhuber pers. comm. 2023).

Population and Trends

This is a well-known species, but its small size makes it overlooked and new sites are being discovered now and then (I. Olariaga Ibarguren pers. comm. 2022). Given its relative frequency of occurrence it is unlikely to have a small population size. Its tolerance of disturbed habitats means that it is unlikely to be in decline, and it is assessed here as stable.

Population Trend: Stable


Habitat and Ecology

In the Iberian Peninsula it is always found not far from the sea and at a low altitude, in oceanic areas with no or almost no frost in winter. It is common and abundant along the Cantabric sea, where it occurs both in well-preserved forests and plantations (Eucalyptus spp. and Pinus radiata). It is associated at least with Fagus sylvatica, Castanea sativa, Quercus robur, Eucalyptus spp. and Pinus radiata). It thrives quite well in plantations and disturbed forests where it is found often on bare ground or along tracks in slopes (I. Olariaga Ibarguren pers. comm. 2022).

The records from more Alpine areas (northern Italy, Switzerland and Austria), appear contradictory to the known range in the Iberian Peninsula. This may show how ecologically plastic the species is, or such records may warrant further investigation to confirm they are the same species.

Threats

There are no obvious threats to this species as it can tolerate degraded habitats.

Conservation Actions

No urgent conservation actions are thought to be necessary at this time. However, further research into the taxonomy of the Alpine specimens may be warranted, along with further investigation into its wider ecology.

Source and Citation

Dahlberg, A. 2025. Cantharellus romagnesianus. The IUCN Red List of Threatened Species 2025: e.T265907684A265963013. Accessed on 22 November 2025.

Country occurrence