1: Candan M, Yilmaz M, Tay T, Erdem M, Türk AO. Antimicrobial activity of extracts of the lichen Parmelia sulcata and its salazinic acid constituent. Z Naturforsch C. 2007 Jul-Aug;62(7-8):619-21. PubMed PMID: 17913083.
2: Shukla V, Patel DK, Bajpai R, Semwal M, Upreti DK. Ecological implication of variation in the secondary metabolites in Parmelioid lichens with respect to altitude. Environ Sci Pollut Res Int. 2016 Jan;23(2):1391-7. doi: 10.1007/s11356-015-5311-z. Epub 2015 Sep 15. PubMed PMID: 26370809.
3: Lohézic-Le Dévéhat F, Legouin B, Couteau C, Boustie J, Coiffard L. Lichenic extracts and metabolites as UV filters. J Photochem Photobiol B. 2013 Mar 5;120:17-28. doi: 10.1016/j.jphotobiol.2013.01.009. Epub 2013 Jan 26. PubMed PMID: 23416709.
4: Manojlović N, Ranković B, Kosanić M, Vasiljević P, Stanojković T. Chemical composition of three Parmelia lichens and antioxidant, antimicrobial and cytotoxic activities of some their major metabolites. Phytomedicine. 2012 Oct 15;19(13):1166-72. doi: 10.1016/j.phymed.2012.07.012. Epub 2012 Aug 22. PubMed PMID: 22921748.
5: Dailey R, Siemion R, Raisbeck M, Jesse C. Analysis of salazinic, norstictic, and usnic acids in Xanthoparmelia chlorochroa by ultra-performance liquid chromatography/tandem mass spectrometry. J AOAC Int. 2010 Jul-Aug;93(4):1137-42. PubMed PMID: 20922944.
6: Verma N, Behera BC, Joshi A. Studies on nutritional requirement for the culture of lichen Ramalina nervulosa and Ramalina pacifica to enhance the production of antioxidant metabolites. Folia Microbiol (Praha). 2012 Mar;57(2):107-14. doi: 10.1007/s12223-012-0100-2. Epub 2012 Feb 22. PubMed PMID: 22351563.
7: Parrot D, Jan S, Baert N, Guyot S, Tomasi S. Comparative metabolite profiling and chemical study of Ramalina siliquosa complex using LC-ESI-MS/MS approach. Phytochemistry. 2013 May;89:114-24. doi: 10.1016/j.phytochem.2013.02.002. Epub 2013 Mar 13. PubMed PMID: 23489575.
8: Burlando B, Ranzato E, Volante A, Appendino G, Pollastro F, Verotta L. Antiproliferative effects on tumour cells and promotion of keratinocyte wound healing by different lichen compounds. Planta Med. 2009 May;75(6):607-13. doi: 10.1055/s-0029-1185329. Epub 2009 Feb 6. PubMed PMID: 19199230.
9: Manojlovic NT, Vasiljevic PJ, Maskovic PZ, Juskovic M, Bogdanovic-Dusanovic G. Chemical Composition, Antioxidant, and Antimicrobial Activities of Lichen Umbilicaria cylindrica (L.) Delise (Umbilicariaceae). Evid Based Complement Alternat Med. 2012;2012:452431. doi: 10.1155/2012/452431. Epub 2011 Sep 7. PubMed PMID: 21915186; PubMed Central PMCID: PMC3170701.
10: Zhang HJ, Zhu DQ, Sun LY, Ge ZH, Xu JJ, Feng SC. [Study on the chemical constituents of two lichen plants from Meng Mountain]. Zhong Yao Cai. 2013 Sep;36(9):1454-6. Chinese. PubMed PMID: 24620693.
11: Shrestha G, El-Naggar AM, St Clair LL, O'Neill KL. Anticancer activities of selected species of North American lichen extracts. Phytother Res. 2015 Jan;29(1):100-7. doi: 10.1002/ptr.5233. Epub 2014 Sep 24. PubMed PMID: 25257119.
12: Gaikwad S, Verma N, Sharma BO, Behera BC. Growth promoting effects of some lichen metabolites on probiotic bacteria. J Food Sci Technol. 2014 Oct;51(10):2624-31. doi: 10.1007/s13197-012-0785-x. Epub 2012 Aug 2. PubMed PMID: 25328204; PubMed Central PMCID: PMC4190253.
13: Nguyen TT, Yoon S, Yang Y, Lee HB, Oh S, Jeong MH, Kim JJ, Yee ST, Crişan F, Moon C, Lee KY, Kim KK, Hur JS, Kim H. Lichen secondary metabolites in Flavocetraria cucullata exhibit anti-cancer effects on human cancer cells through the induction of apoptosis and suppression of tumorigenic potentials. PLoS One. 2014 Oct 31;9(10):e111575. doi: 10.1371/journal.pone.0111575. eCollection 2014. PubMed PMID: 25360754; PubMed Central PMCID: PMC4216107.
14: Ingólfsdóttir K, Chung GA, Skúlason VG, Gissurarson SR, Vilhelmsdóttir M. Antimycobacterial activity of lichen metabolites in vitro. Eur J Pharm Sci. 1998 Apr;6(2):141-4. PubMed PMID: 9795033.
15: Honda NK, Pavan FR, Coelho RG, de Andrade Leite SR, Micheletti AC, Lopes TI, Misutsu MY, Beatriz A, Brum RL, Leite CQ. Antimycobacterial activity of lichen substances. Phytomedicine. 2010 Apr;17(5):328-32. doi: 10.1016/j.phymed.2009.07.018. Epub 2009 Aug 14. PubMed PMID: 19683421.
16: Pathak A, Upreti DK, Dikshit A. Antidermatophytic Activity of the Fruticose Lichen Usnea orientalis. Medicines (Basel). 2016 Sep 12;3(3). pii: E24. doi: 10.3390/medicines3030024. PubMed PMID: 28930134; PubMed Central PMCID: PMC5456250.
17: Goel M, Dureja P, Rani A, Uniyal PL, Laatsch H. Isolation, characterization and antifungal activity of major constituents of the Himalayan lichen Parmelia reticulata Tayl. J Agric Food Chem. 2011 Mar 23;59(6):2299-307. doi: 10.1021/jf1049613. Epub 2011 Feb 25. PubMed PMID: 21351753.
18: Sultana N, Afolayan AJ. A new depsidone and antibacterial activities of compounds from Usnea undulata Stirton. J Asian Nat Prod Res. 2011 Dec;13(12):1158-64. doi: 10.1080/10286020.2011.622720. PubMed PMID: 22115039.
19: de Paz GA, Raggio J, Gómez-Serranillos MP, Palomino OM, González-Burgos E, Carretero ME, Crespo A. HPLC isolation of antioxidant constituents from Xanthoparmelia spp. J Pharm Biomed Anal. 2010 Oct 10;53(2):165-71. doi: 10.1016/j.jpba.2010.04.013. Epub 2010 Apr 24. PubMed PMID: 20457504.
20: Correché ER, Enriz RD, Piovano M, Garbarino J, Gómez-Lechón MJ. Cytotoxic and apoptotic effects on hepatocytes of secondary metabolites obtained from lichens. Altern Lab Anim. 2004 Dec;32(6):605-15. PubMed PMID: 15757498.