Consortium of Lichen... lichenportal.org

Arthonia - Wikispecies species.wikipedia.org

Consortium of Lichen... lichenportal.org

Consortium of Lichen... lichenportal.org

Consortium of Lichen... lichenportal.org

Consortium of Lichen... lichenportal.org

Consortium of Lichen... lichenportal.org

Consortium of Lichen... lichenportal.org

Consortium of Lichen... lichenportal.org

Consortium of Lichen... lichenportal.org

Consortium of Lichen... lichenportal.org

Consortium of Lichen... lichenportal.org

Consortium of Lichen... lichenportal.org

Lichens — Field Botanists... www.fieldbotanistsofontario...

Proceedings of the Royal... archive.org

Lichen recorded in... www.alamy.com

European and globally... www.researchgate.net

Lichens of Belgium,... www.lichenology.info

Species from Polish Red... www.researchgate.net

Lichen recorded in... www.alamy.com