Published by Daniel Mosquin on February 13, 2018
Some sites use duplicate tube lichen as a common name for this composite organism, but I prefer tickertape bone lichen. As Richard (the photographer) notes, this a popular species in lichen charades–either common name will do.
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Published by Daniel Mosquin on June 21, 2017
This lichen species is perhaps the record holder for English common names: peppermint drop lichen, candy lichen, and spraypaint (from Brodo’s Lichens of North America) are all quite descriptive and appropriate.
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Published by Daniel Mosquin on May 2, 2017
For many years, North American lichenologists (mis)applied the name Umbilicaria krascheninnikovii to Umbilicaria polaris. This was only rectified in recent years in a 2011 paper by EA Davydov et al. in Herzogia 24:251–263: Contribution to the Study of Umbilicariaceae (Lichenized Ascomycota) in Russia. II. Kamchatka Peninsula, where the authors note that Umbilicaria krascheninnikovii is actually […]
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Published by Daniel Mosquin on June 8, 2015
The colours on this photo are remarkable. The photographer, Richard Droker, explains that the colour is nearly as it was in the field, but that he achieved his excellent focus through focus stacking using Zerene Stacker software. For more about this process, visit Richard’s original post.
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Published by Daniel Mosquin on January 8, 2015
This lichen never fails to remind me of summer, though it is a snowy-looking subject. Parmelia sulcata, or hammered shield lichen, is a silvery foliose species in the Parmeliaceae with a dark, nearly black, underside possessing dense rhizines (hair-like growths from the body that anchor the lichen to the substrate). The photobiont of this symbiont […]
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Published by Daniel Mosquin on November 9, 2005
Elegant sunburst lichen seems to be distributed throughout every province and territory in Canada (the national lichen?), most of the western United States, and parts of the northeastern US and southern Appalachians.
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Published by Daniel Mosquin on October 28, 2005
The boulder beneath this miniature jungle was part of the same rock slide as the rock in the BPotD entry on lichen diversity, yet it supports different organisms.
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