Synonyms: Phaeophyscia nadvornikii, Physcia cernohorskyi, Physcia kairamoi, Physcia karakorina, Physcia nadvornikii, Physcia ulothrix.
Common names: Least Shadow Lichen, five o'clock shadow.
Phaeophyscia kairamoi is a crustose lichen species characterized by its grayish-brown to dark brown thallus, often with a bluish tint, and white or pale yellow apothecia. In East and Central Texas, it typically grows on trees, particularly oak and cedar, as well as on rocks and soil. The species is relatively common in the region, found in a variety of habitats including woodland edges, savannas, and rocky outcrops. It prefers well-lit areas with moderate to high humidity.
Observations of Phaeophyscia kairamoi in East and Central Texas revealed its presence on various substrates. On February 12, 2019, it was found on an iron sculpture in the TAMU Horticultural Gardens, College Station. Ten days later, on February 22, it was observed in a wet condition on another iron sculpture in the same gardens. The lichen was also spotted on a petrified wood stump on the university golf course at the crossing of Texas Avenue and New Main Drive on February 26, 2019. Additionally, a possible sighting of Phaeophyscia kairamoi was recorded on concrete remains near columns in Old Bailor park, Independence, Texas, on February 27, 2019. These observations suggest that Phaeophyscia kairamoi can thrive on different surfaces, including metal, wood, and possibly concrete, in various environments within East and Central Texas.
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