Arctic Kidney Lichen
Large thallus; yellowish- green when dry, bright green when wet. Broad, flat, gray bumps on surface that contain cyanobacteria. Lower surface pale tan at the edge. Large orange-brown apothecia. In coniferous forests and occasionally on the forest floor or old logs. At least nine species of Nephroma occur in this region.
![Alaska species lichens Arctic Kidney Lichen](https://uploads.alaska.org/guides/alaska-species-guides/alaska-lichens/_960xAUTO_fit_center-center_65_none/alaska-species-lichensArctic-Kidney-Lichen.jpg)