Common names: bordered scale lichen, False Russell's fishscale lichen.
Psora pseudorussellii is a crustose lichen species characterized by its pale yellow to cream-colored thallus and numerous, crowded apothecia. In East and Central Texas, it grows on soil, rocks, and tree bark, often in open woods and along roadsides. The lichen's areoles are 0.5-2 mm in diameter, with a rough, warty surface, and its ascospores are muriform, measuring 25-40 x 10-15 μm. It is a relatively common species in the region, particularly on calcareous substrates.
Bordered scale lichen (Psora pseudorussellii) on a conglomerate rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
Unnamed Road, Johnson City, TX 78636, USA
Partially dry bordered scale lichen (Psora pseudorussellii) on a conglomerate rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019Unnamed Road, Johnson City, TX 78636, USA
Bordered scale lichen (Psora pseudorussellii) on a limestone conglomerate rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019Unnamed Road, Johnson City, TX 78636, USA
Bordered scale lichen (Psora pseudorussellii) in wet condition on a conglomerate rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019Unnamed Road, Johnson City, TX 78636, USAObservations of Psora pseudorussellii in East and Central Texas reveal that the species thrives on conglomerate rocks near rivers. In Pedernales Falls State Park, the lichen was found on conglomerate rocks, including limestone conglomerate, near the river. The observations show that the lichen can survive in various conditions, from partially dry to wet. On January 11, 2019, the species was documented in different states of moisture, indicating its ability to adapt to changing environments. The lichen's presence on conglomerate rocks suggests a preference for this type of substrate. Overall, Psora pseudorussellii appears to be well-suited to the rocky, riverside habitats found in East and Central Texas. The observations highlight the species' versatility and ability to thrive in a variety of conditions.
Mushroom Observer and Facebook for learning names of local mushrooms.
This web page was generated by a special script.