{{Short description|Lichen composed of small, often overlapping "scales"}} [[File:Tree Stipplescale (4752735810).jpg|thumb|''Placidium arboreum'' is a squamulose lichen with squamules that become green when wet.]] A '''squamulose lichen''' is a lichen that is composed of small, often overlapping "scales" called {{lichengloss|squamules}}.<ref name=Dobson>{{cite book|first=F.S.|last=Dobson|year=2011|title=Lichens, an illustrated guide to the British and Irish species|publisher=Richmond Publishing Co. Ltd.|location=Slough, England|isbn=9780855463151}}</ref> If they are raised from the substrate and appear leafy, the lichen may appear to be a foliose lichen, but the underside does not have a "skin" (cortex), as foliose lichens do. <ref>{{Cite web|url=http://www.ucmp.berkeley.edu/fungi/lichens/lichenmm.html|title = Morphology of Lichens |access-date=20 December 2022 <!-- still valid --> |website=www.ucmp.berkeley.edu }}</ref> Squamulose lichens are composed of flattish units that are usually tightly clustered. They are like an intermediate between crustose and foliose lichens.
Examples of squamulose lichens include ''Vahliella leucophaea'', ''Cladonia subcervicornis'' and ''Lichenomphalia hudsoniana''.<ref>{{cite web |title=FAQs |url=http://www.lichens.lastdragon.org/faq/lichenthallustypes.html#squamulose |website=Images of British Lichens |accessdate=3 April 2020}}</ref>
==References== {{Reflist}}
Category:Lichenology
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