Arvidsson L., Hammarström O. & Appelqvist T.
(2021):
Epifytiska lavar i Göteborgs Botaniska Trädgård – en återinventering,
Lavbulletinen,
1-2021: 4–19
[in Swedish] The authors have inventoried the epiphytic lichen flora in Gothenburg's Botanical Garden and the results show major changes compared with previous inventories in the 1950s and 1970s. After being negatively affected by air pollution in the past, the lichen flora is now recovering. The results also suggest that changes in the lichen flora may have been influenced by climate change.
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