Lichen community dominated by Umbilicaria cylindrica (grey-brown foliose lichen) and Rhizocarpon geographicum (yellow crustose).

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Photo credit: © José María Barres Manuel / Alamy / Afripics
License: Royalty Free
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Keywords: ascomycota, botany, community, crustose, cylindrica, foliose, fungi, geographicum, granite, lichen, rhizocarpaceae, rhizocarpon, rock, umbilicaria, umbilicariaceae