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Phellodon nigerPhoto: Liz HoldenBack to the BAP list |
DescriptionGeneral: Medium-sized blackish-brown or blue-black irregular plate-like cap with white margin, spiny under surface and dark spongy stem; solitary or in groups, typically fused, on soil in broad leaf and coniferous woods.Dimensions: Cap 3-8cm dia; stem 2-5cm tall x 1-2cm dia. Fruit Body: Cap at first whitish soon becoming greyish or blackish-brown with sharp whitish margin; indistinctly zoned, shallowly infundibuliform, rosette-shaped, warty, radially wrinkled tuberculate with small erect scales at the centre; stem concolorous or darker, equal, tomentose, typically several fused together; flesh: greyish-brown, duplex in the stem; soft or corky; spines at first whitish or pallid then grey-brown, more or less decurrent. |
Spores: Hyaline, finely spiny, sub-spherical, non-amyloid, 3.5-4.5 x 2.5-3.5 µm . Basidia 4 spored; cystidia absent. Odour: Fresh, not distinctive; dry, spicy. Taste: Not Distinctive. Chemical Tests: None. Occurrence: Late Summer to Autumn. |
| Qualifying criterion: 4.4: rare species associated with microhabitat |
| Justification: probably omitted in error from the original PAB list of stititate hydnums |
| Threats: habitat destruction, vehicle compaction, mountain biking, track maintenance, felling of host trees especially sweet chestnut, 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
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Total records: 250 |
| Earliest recording: 1868 | |
| Latest recording: 2007 | |
| Vice Counties and (frequency): 6(22); 11(57); 12(3);16(12); 17(8); 18(1); 19(1); 22(21); 24(1); 49(3); 60(2); 69(2); 92(4); 88(3); 95(4); 96(70); 98(1); 103(3); 109(1) | |
| Pre-1960: 69 records | |
| NBN Gateway grid map | Post-1960: 181 records |