Tremellodendropsis tuberosa

Photo: Michael Wood

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Description

General: Whitish, branched fruit body reminiscent of Calocera viscosa; tufted, on hard clay or rich humus soils.
Dimensions: 2-5cm tall.
Fruit Body: Branched, white or pallid coral-like growths becoming greyish with age, bearing elongated flagelliform apices; caespitose; surfaces smooth or finely roughened; tough and rather leathery- fleshy when damp; horny and cartilaginous when dry.
Spores: Hyaline, smooth, ellipsoid to amygdaliform, 12-20 x 5-9um. Basidia clavate, sub- septate to septate.
Odour: Not Distinctive.
Taste: Not Distinctive.
Chemical Tests: None.
Occurrence: Autumn.

 

Qualifying criterion: 4.7: very rare jelly fungus with only 2 post-1960 UK sites
Justification: declined by more than 50% pre- and post-1960
Threats: ecological studies required since since threats are uncertain
Action Required: Survey and monitoring; protection against habitat loss and degradation; ecological assessment.

 

Statistics:

UK (excluding NI & CI) fungus records

Total records: 21

Earliest recording: 1906
Latest recording: 2006
Vice Counties and (frequency): 22(2); 27(4); 34(1); 36(3); 37(1); 60(5); 63(4)
Pre-1960: 13 records
NBN Gateway grid map Post-1960: 8 records