It is circular to irregular in shape , reaching a diameter up to 10 cm ( 3.9 in ) .
Neighbouring fruitbodies may be fused together to form larger complexes up to 30 cm .
It is circular to irregular in shape , reaching a diameter up to 10 cm ( 3.9 in ) , although neighbouring fruitbodies may be fused together to form larger complexes up to 30 cm .