![](http://www.alamy.com/thumbs/6/7C1082B8-73C3-445B-B4D7-C79B61E894D4/CRF8C6.jpg)
lichen community on a trunk
Size: 3552px × 5406px
Photo credit: © blickwinkel/Wothe / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., air, beard, bioindicator, bioindicators, botany, coaction, communities, community, dependence, ecology, epiphyte, epiphytes, flora, flower, flowers, foliose, format, fruticose, geography, germany, index, indicator, indigenous, interaction, lichen, lichens, log, logs, native, organism, organisms, partnership, phytocoenology, plant, plants, pollution, science, socialisation, stem, stems, symbiosis, tree, trunk, trunks, usneaceae, vegetation, vertical, wild, wothe