British fungi - Keys

Key to Exidia - a key from Peter Roberts, who would appreciate comments and, especially, dried and documented collections

by Peter Roberts

 

 

 

1

Fruitbodies hyaline to whitish, occasionally tinted pink to violaceous

2

 

Fruitbodies distinctly coloured, orange, brown or black

3

2(1)

Mature fruitbodies whitish; effused, becoming plicate; no mineral inclusions; basidia not stalked

thuretiana

 

Mature fruitbodies hyaline to whitish, occasionally tinted pink to violaceous; pustular and coalescing; white mineral inclusions often visible; basidia distinctly stalked

nucleata

3(1)

Fruitbodies blackish-brown to black; hymenium with scattered warts or papillae under lens

4

 

Fruitbodies orange to brown; hymenium smooth

5

4(3)

Fruitbodies turbinate, often remaining separate, occasionally coalescing; typically on oak or hazel

glandulosa

 

Fruitbodies effused, irregularly lobed, coalescing; typically on beech, willow, sycamore and other deciduous trees (but rarely, if ever, on oak)

plana

5

Fruitbodies brown, irregularly lobed; on pine

saccharina

 

Fruitbodies ornage to orange-brown; on deciduous trees

6

6

Fruitbodies button-shaped; typically on birch

repanda

 

Fruitbodies turbinate, often pedulous; typically on willow

recisa

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