Tuesday 18 June
Nail fungus (Poronia punctata)
Nail fungus fact file
- Description
- Biology
- Range
- Habitat
- Status
- Threats
- Conservation
- Find out more
- Glossary
- References
- Print factsheet
Nail fungus description
| Kingdom | Fungi |
| Phylum | Ascomycota |
| Class | Euascomycetes |
| Order | Sphaeriales |
| Family | Xylariaceae |
| Genus | Poronia |
This rare fungus, found on the dung of ponies and horses, takes its name from the resemblance of the fruiting bodies to nails. The stalk of the 'nail' is dark-brown, almost black in colour, whilst the expanded head is buff-white dotted with small black pores.
WARNING: many species of fungus are poisonous or contain chemicals that can cause sickness. Never pick and eat any species of fungus that you cannot positively recognise or are unsure about. Some species are deadly poisonous and can cause death within a few hours if swallowed.
- Synonyms
- Order - Xylariales.
- Size
- Diameter of fruiting bodies: up to 21 mm
- Fruit body
- In fungi, the fruit body is the visible part of the fungus which bears spores (microscopic particles involved in both dispersal and reproduction).
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Nail fungus biology
Nail fungus fruiting bodies are most frequently seen in the UK in the months from October to May inclusive. The spores are ingested by livestock whilst grazing, and passed out with their dung. The spores germinate and form the mycelium of the nail fungus, eventually producing the visible fruiting bodies after the dung has had time to weather.
TopNail fungus range
In the UK, nail fungus has in recent years been largely restricted to parts of the New Forest, Hampshire, until 1999 when a population was discovered on heathland in Dorset. This latter population appears to be persisting. It also occurs in a few places in south-east Europe, and is now considered to be one of the rarest fungi in Europe.
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Species with a similar range
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You can view distribution information for this species at the National Biodiversity Network Gateway. |
Nail fungus habitat
Nail fungus occurs only on the dung of ponies and horses which have fed on un-improved acidic grassland and heathy vegetation. The fruiting bodies are most frequently seen on well-weathered dung, and may not occur on dung that has been heavily disrupted by foraging birds or animals, possibly due to subsequent desiccation. In Europe, it has been reported as growing on cattle dung.
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Top
Species found in a similar habitat
Nail fungus status
Classified as Endangered in the UK.
TopNail fungus threats
Nail fungus has declined as a result of changes in agricultural practices, in particular the decline in the use of horses and ponies, and the loss of unimproved grassland and heathland.
TopNail fungus conservation
Nail fungus is listed in the UK Biodiversity Action Plan (UK BAP) and included in English Nature's Species Recovery Programme. The Dorset populations have been monitored since their discovery in 1999, and aspects of the ecology of the species are being studied. Re-introduction into other suitable areas may be a long-term possibility.
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The UK Biodiversity Action Plan for this species is available at UK BAP. |
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There may be further information about this species available via the National Biodiversity Network Gateway. |
Authentication
Information supplied by English Nature.
http://www.english-nature.org.uk
Glossary
References
More »Related species
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Image credit
Nail fungus on pony dung
© Jonathon Cox
Jonathon Cox
English Nature
Sleepe Farm
Arne
Wareham
Dorset
BH20 5BN
United Kingdom
Tel: +44 (0) 1929 557 450
Fax: +44 (0) 1929 554 752
jhs.cox@english-nature.org.uk
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