tag archives: lichens

photo: lichen scramble

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here’s a picture from the stubai alps, taken recently near oberiss in tirol. it shows a mosaic of crustose lichens, fighting for space on silicate rock.

lichen sramble - crustose lichens on a rock. species include rhizocarpon geographicum (yellow with black fruiting bodies), umbilicaria cylindrica (bottom left, grey with black fringe), lecidea lithophila (bottom right), and presumably lecanora spp., fuscidea spp.and lecidella spp.

lichen identification can be very difficult, even for specialists, but there’s one very easy to identify species prevalent in the picture: [more...]

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