LAVgruppen

A Field Key to Common Churhyard Lichens

Dobson, F. S. 2013

A Field Guide to Lichens on Trees

Dobson, F. S. 2013

A Field Key to Coastal and Seashore Lichens

Dobson, F. S. 2014

Artdatabanken Sverige

Arter.dk

Danmarks Svampeatlas

(Fund registreret i DK Svampeatlas offentliggøres også på arter.dk)

Dansk Lavflora 2001

Den danske rødliste

Cladonia Keys. The British Society of Lichens

Flechten Deutschlands

GBIF (Global Biodiversity Information Facility):

GBIF (Global Biodiversity Information Facility) Danmark

Graphis scripta (Nordic Lichen Society)

Irish Lichens

Italic 8.0. The information System on Italic Lichens

Lichen Ireland

Lichen maritimes

Lichens of Great Britain and Ireland. The British Society of Lichens.

Norsk lavdatabase, Oslo Universitet

Stridvall's lichen index