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

Nectria ganymede Lowen & Minter

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Scientific name
Nectria ganymede
Lowen & Minter
Common names
IUCN Specialist Group
Cup-fungi, Truffles and Allies
Assessment status
Under Assessment
Proposed by
David Minter
David Minter
Comments etc.
Dimitar Stoykov, Anders Dahlberg

Assessment Notes

Taxonomic notes

Why suggested for a Global Red List Assessment?

This species has been recorded only once, growing on old fruitbodies of Zeus olympius which itself is known from only two stations. It appears to be a parasite of these old fruitbodies, and may be obligately associated with its host.

Geographic range

Known from one station in Greece.

Population and Trends

Only known from a single record, apparently parasitic on fruitbodies of Zeus olympius, itself known from only two stations. The single record comes from within a national park. Extent of occurrence: too little information to calculate. Area of occupancy: a notional 4 km squared.

Population Trend: Uncertain

Habitat and Ecology

Apparently parasitic on old fruitbodies of the rare fungus Zeus olympius, itself apparently limited to dead and dying branches of Pinus leucodermis in montane Balkan forests..


As with Zeus olympius, forest fires more frequent because of climate change may be the largest threat. Loss of its only known host may also be a danger.

Conservation Actions

Need to ensure national park managers are aware of this extremely rare species and its extremely rare host.

Ex situ conservation: isolates of the one collection of Nectria Ganymede are maintained in the ATCC and CABI fungal culture collections.

Research needed

Use and Trade


Minter, D.W., Lowen, R. & Diamandis, S. Zeus olympius gen. et sp.nov. and Nectria ganymede sp.nov. from Mount Olympus, Greece. Transactions of the British Mycological Society 88 (1): 55-61 (1987).

Country occurrence

Regional Population and Trends

Country Trend Redlisted