The subject of the investigation was the lichen biota along road No 190 from Margonin to Wągrowiec (about 20 km). The field studies were conducted on 30 randomly chosen sites, situated 500-1.000 m apart from each other. In each of them the lichens were collected from 4-6 trees on either side of the road, and from other habitats: concrete poles, fallen branches and the soil. Presence of 61 taxa was...
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