Robuta

https://www.usgs.gov/publications/nutrient-availability-affects-pigment-production-not-growth-lichens-biological-soil
Recent research suggests that micronutrients such as Mn may limit growth of slow-growing biological soil crusts (BSCs) in some of the drylands of the world....
nutrientavailabilityaffectspigmentproduction
https://asm.org/podcasts/bacteriofiles/episodes/less-liquid-lands-losing-lichens-bacteriofiles-491
Trends of declining lichen populations and biocrust cover overall match trends of increasing temperatures in Colorado dryland!
lessliquidlandslosinglichens
https://www.usgs.gov/publications/nplichen-a-database-lichens-us-national-parks
NPLichen, a database of lichens in the U. S. National Parks (Wetmore and Bennett, 1992), has been extensively revised and expanded, and is now available for...
the u sdatabaselichensnational
https://gis.nacse.org/lichenair/index.php?page=photos&viewphoto=23&pg=6
air quality monitoringlichens
https://www.usgs.gov/publications/lichens-izembek-national-wildlife-refuge-westernmost-alaska-peninsula
One hundred eighty-two taxa of lichens including two lichen parasites are reported from Izembek National Wildlife Refuge on the tip of the Alaska Peninsula....
national wildlife refugealaska peninsulalichens
https://www.sciencefriday.com/segments/trying-to-determine-forest-health-look-to-the-lichens/
The types of lichens living in a patch of forest may be a better indicator of ecological health than the trees themselves.
trying toforest healthdeterminelooklichens
https://www.toituresdereve.fr/fr/mousse--lichens-quand-faut-il-nettoyer-sa-toiture
mousselichensquandfautil
https://www.needleartsonpaper.com/lichens.html
Links to my blog posts on the creation of my "Learning About Lichen" Fibre Art piece (2019):
anne warburtonfibre artistlichenscreativewellness
https://www.sciencing.com/lichens-adapt-temperate-forest-12325770/
To make it in the natural world, some individuals need a little help. Organisms in ecosystems are interdependent, but some have formed more intimate...
how dotemperate forestlichensadapt
https://irishlichens.ie/micro-muri.html
Photographs and microscope images of lichens found in Ireland and Britain, microscopy, spore types
irishlichensspores
https://lichens.trieves.cloud/
Bienvenue sur le site des Lichens
lichens
https://www.waysofenlichenment.net/lichens/Biatora%20cuprea
north americawayslichens
https://www.lichensgo.eu/cle/8.en.htm
lichensgo
https://www.nps.gov/articles/aps-16-1-13.htm
national park servicethe arcticlichensu