Sedge Cup
Description
Less than 1cm: Use magnifying glass.
Fruit-body a small disc up to 3 cm high, with stem, Ø 4-8 mm. Inner surface pale yellow-brown. Outer surface yellow-brown. Stem yellow-brown.
Occurrence
On, and usually with a black sclerotium in stems and roots of Papilionaceae (Clover).
Parasitic.