Desert Sunset Lichen (Caloplaca trachyphylla) is a crustose lichen (in the Teloshistaceae Family. It has notably circular upper thallus and elongated lobes reminiscent of a sunburst. Note the spores located towards the center of the thallus! C. trachyphylla can be a...
Acarospora stapfiana is a squamulose lichen (Acarosporaceae Family) frequently found on calcareous rocks in Colorado. This lichen is a known parasite to the Caloplaca trachyphylla, another lichen found on rocks of the South West. A. stapfiana can be noted as patches...
