Notes on other usnic acid-containing leprose species are presented.
Kukwa Martin, Piątek Marcin 2014, 'First Records of the Lichen Septotrapelia Usnica (Lecanorales, Ascomycota) from WestAfrica', Polish Botanical Journalhttp://www.degruyter.com/view/j/pbj.2014.59.issue-1/pbj-2014-0006/pbj-2014-0006.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)