Glucomannan and branched (1 → 3)(1 → 6) β-glucan from the aposymbiotically grown Physcia kalbii mycobiont

► The mycobiont of Physcia kalbii was aposymbiotically cultivated. ► The mycobiont has a branched β-(1 → 3),(1 → 6)-glucan. ► The mycobiont has a glucomannan, which could be typical of the Physciaceae.