Mycology: to be or not to be a lichen.
Hawksworth
David
D
D002965:Classification; D056890:Eukaryota / Q000254:growth & development; D005658:Fungi / Q000145:classification* / Q000235:genetics / Q000254:growth & development*; D008011:Lichens / Q000145:classification* / Q000235:genetics / Q000254:growth & development*; D032107:Populus / Q000033:anatomy & histology / Q000382:microbiology*; D013548:Sweden; D014934:Wood