Phacidium lauri

Description

Round blackish pustules on upper and under surfaces. About 1.5mm x 1mm.

Identification difficulty
Identification aids

 

Holly Speckle
Trochila ilicina
Phacidium lauri Phomopsis crustosa Microthyrium ciliatum
There are some nice comparison images of species 1, 2 and 4 here.
Small (<1mm) speckles on the upper side of the leaf only. Pustules (c.1.5mm) on upper and lower surfaces of the leaf. Immersed black conidiomata (0.5mm) on brown spots surrounded by a narrow black line. Tiny black speckles (<0.5mm) on both sides of the leaf.
Habitat

On upper and under surfaces of dead Holly leaves.

UK Status

Widespread and fairly frequent in Britain.

VC55 Status

Status in Leicestershire and Rutland not known.

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Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map