Hydnellum ferrugineum

Photo: Josef Hlasek

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Description

General: Small reddish-brown funnel-shaped cap with pale margin and spiny under surface; solitary or in groups, often fused, on soil in broad leaf woods.
Dimensions: Cap 2-7cm dia; stem 1-3cm tall x 0.3-0.8cm dia.
Fruit Body: When young pulvinate, whitish-pink, velutinous, with blood red guttation drops in wet weather; later reddish-brown with pallid margin, shallowly infundibuliform, radially wrinkled, rough and tuberculate; stem reddish-brown, equal or tapering downwards; flesh: pallid reddish-brown, duplex, concentrically zoned; spines at first pallid then reddish-brown, decurrent.
Spores: Light brown, coarsely tuberculate, sub-spherical, non-amyloid, 5.0-6.0 x 3.5-4.5 µm . Basidia 4 spored; cystidia absent.
Odour: Faintly Mealy.
Taste: Not distinctive.
Chemical Tests: None.
Occurrence: Late Summer to Autumn.

 

Qualifying criterion: 4.4: rare species associated with microhabitat
Justification: current BAP action for stipitate hydnoid fungi needs to be continued
Threats: habitat destruction, vehicle compaction, mountain biking, track maintenance, felling of host trees, eutrophication
Action Required: Survey and monitoring; protection against habitat loss and degradation; site liaison and management; ecological research.

 

Statistics:

UK (excluding NI & CI) fungus records

update

Total records: 150

Earliest recording: 1873
Latest recording: 2005
Vice Counties and (frequency): 1(1); 9(1); 11(10); 17(4); 18(1); 22(3); 26(2); 32(1); 38(1); 40(3); 49(3); 50(1); 61(1); 63(1); 83(1); 88(5); 92(18); 95(23); 96(59)
Pre-1960: 66 records
NBN Gateway grid map Post-1960: 84 records