Some basic lichen info, for those of you new to this wonderful world!
https://simple.wikipedia.org/wiki/Lichen
https://en.wikipedia.org/wiki/Lichen
http://www.ohiomosslichen.org/Lichenology-101.pdf
Here some details on human uses of lichen in different places
https://www.earthlife.net/lichens/intro.html
Bibliographical Database Of The Human Uses Of Lichens
http://www.lichen.com/usetype.html
Artist introducing Spanish lichen to Nida, on foam blog
https://fo.am/blog/2013/11/23/assisted-migration/
Lichen study relating to cormorants (could not DWNLOAD)
https://www.researchgate.net/publication/268981894_Pine_forest_lichens_under_eutrophication_generated_by_a_great_cormorant_colony
Not very reliable
https://www.homeopathyschool.com/the-school/provings/reindeer-moss/
Lichens collected radioactivity after Chernobyl in Lithuania
https://books.google.lt/books?id=EH3LBQAAQBAJ&pg=PA106&lpg=PA106&dq=chernobyl+lichen+lithuania&source=bl&ots=KeZLWoMnIi&sig=nlBHA3tFLYhX5apFxm8Y6ozxbiw&hl=lt&sa=X&ved=0ahUKEwjjv-zwu6vbAhUDApoKHcgbD044ChDoAQhPMAY#v=onepage&q&f=false