Catillaria subgranulifera Imshaug in sched.

Description:
Thallus: white
Apothecia: blue-black, some pale brown apothecia present; 0.25-0.4 mm diam.
Epihymenium: bluish, granular
Hypothecium: hyaline
Exciple: pale yellow, K+ yellow crystals
Spores: hyaline, 1 septate, 9-11.5 x 3-3.5 Ám

Chemistry: atranorin, fumarprotocetraric acid by TLC

Distribution & Ecology: Campbell Island: numerous collections (four localities) from Dracophyllum

Notes: Possibly referable to Cliostomum

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