Consortium of Lichen... lichenportal.org

Pertusaria - Wikispecies species.wikimedia.org

List of Pertusaria species... en.wikipedia.org

800px- ... en.wikipedia.org

Pertusaria — Wikipédia fr.wikipedia.org

Pertusaria - Wikipedia nl.wikipedia.org

List of Pertusaria species... en.wikipedia.org

Pertusaria www.mindat.org

Consortium of Lichen... lichenportal.org

List of Pertusaria species... en.wikipedia.org

List of Pertusaria species... en.wikipedia.org

AUSTRALASIAN LICHENOLOGY... www.anbg.gov.au

Consortium of Lichen... lichenportal.org

AUSTRALASIAN LICHENOLOGY... www.anbg.gov.au

Two new brown-spored... www.cambridge.org

AUSTRALASIAN LICHENOLOGY... www.anbg.gov.au

TELOPEA plantnet.rbgsyd.nsw.gov.au

AUSTRALASIAN LICHENOLOGY... www.anbg.gov.au

Consortium of Lichen... lichenportal.org

PERTUSARIA Alan W. Archer... www.anbg.gov.au