# Amandinea punctata

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Amandinea_punctata
> Markdown URL: https://mediated.wiki/source/Amandinea_punctata.md
> Source: https://en.wikipedia.org/wiki/Amandinea_punctata
> Source revision: 1300253425
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

{{Short description|Species of lichen}}
{{Speciesbox
| image = Amandinea punctata (39093084775).jpg
| status = G5
| status_system = TNC
| status_ref = <ref name=NS>{{cite NatureServe |id=2.122534 |title=''Amandinea punctata'' |access-date=13 July 2025}}</ref>
| taxon = Amandinea punctata
| authority = ([Hoffm.](/source/Hoffm.)) [Coppins](/source/Brian_John_Coppins) & Scheid. (1993)
| synonyms = *''Verrucaria punctata'' <small>Hoffm. (1796)</small>
}}

'''''Amandinea punctata''''' ('''tiny button lichen''') is a [crustose](/source/crustose_lichen) brown to gray [lichen](/source/lichen) that grows on wood and rock around the world.<ref name=KJAPJTNP>Amandinea punctata in the Joshua Tree National Park (California, U.S.A.) Map collection: Kerry Knudsen, Kocourková Jana; Czech University of Life Sciences Prague, Faculty of Environmental Sciences, Department of Ecology, Czech Republic; 2012</ref> It grows on, not in the wood ([epiphytic](/source/epiphytic)).<ref name=KJAPJTNP/> It prefers bark that is [acidic](/source/acidic).<ref name=KJAPJTNP/> In [California](/source/California), it is among the most common crustose lichens occurring on trees.<ref name=KJAPJTNP/> Sometimes its [thallus](/source/thallus) is absent, and branches may be covered in its [lecideine](/source/lecideine) [apothecia](/source/apothecia).<ref name=KJAPJTNP/> Because of its tolerance of low humidity, it is one of the few epiphytic lichens growing on trees in California deserts, where it commonly grows on the old, dry wood of [juniper](/source/juniper)s, and sometimes fallen [pinyon pine](/source/pinyon_pine)s and [oak](/source/oak)s, or on their dead branches.<ref name=KJAPJTNP/> Compared to other lichens, it is tolerant of [air pollutants](/source/air_pollutants) and other toxins such as [NO<sub>2</sub>](/source/Nitrogen_dioxide) and [SO<sub>2</sub>](/source/Sulfur_dioxide).<ref name=KJAPJTNP/>

==References==
{{Reflist}}

{{Taxonbar|from=Q10567609}}

punctata
Category:Lichen species
Category:Lichens described in 1796
Category:Lichens of Europe
Category:Lichens of North America
Category:Taxa named by Georg Franz Hoffmann

{{Caliciales-stub}}

---
Adapted from the Wikipedia article [Amandinea punctata](https://en.wikipedia.org/wiki/Amandinea_punctata) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Amandinea_punctata?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.