Search for: [References = "Armstrong, R.A. \(2016\). Invited review\: Lichenometric dating \(lichenometry\) and the biology of the lichen genus Rhizocarpon\: Challenges and future directions. Geografiska Annaler\: Series A, Pysical Geography, 98, 183\-206. https\:\/\/doi.org\/10.1111\/geoa.12130"]