Template:David & Hawksworth, 1991

• David, J.C. & Hawksworth, D.L. 1991. Validation of six families of lichenized ascomycetes. Systema Ascomycetum 10(1): 13–18.  
  • Find all Wikispecies pages which cite this reference.
  • RLL List # / Rec.# 4070 – Recent Literature on Lichens