Lepraria incana sens str Stereocaulaceae
Lepraria incana s. str

Growth type crustose, leprose
K-, C-, P-, UV+ blue-white. When present parietin K+ purple, UV+ pale orange

Can form large colonies on sheltered surfaces on acidic rocks, soil and bark.

Powdery pale grey to dull bluish-grey thallus, sometimes with pale orange patches. Hyphae absent or vedry short. There are several similar species in this complex requiring thin-layer chromatography for certain identification.

Identification by Neil Sanderson

Lepraria incana sens str
Lepraria incana sens str.
Wessex Lichen Group Meeting. Holt Heath, Dorset. March 2014

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