Description: English: The lichen Thelomma mammosum (Hepp) A. Massal. Specimen photographed in Deception Pass State Park, Skagit Co., Washington, USA. Date: 22 February 2011. Source: : This image is Image Number 135305 at Mushroom Observer, a source for mycological images. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. English | español | français | italiano | македонски | മലയാളം | português | +/−. Author: Richard Droker (wanderflechten).
Einar Timdal. Natural History Museum, University of Oslo, Norway. Einar Timdal. Year: 2014. Contact: einar.timdal@nhm.uio.no.
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