Synonyms: Lichen complanatus, Parmelia complanata, Ramalina denticulata.
Ramalina complanata is a strap-like lichen that grows up to 10 cm long, with flat, pale green to yellow-green thalli and numerous cylindrical soralia on the margins. In East and Central Texas, it typically occurs on trees, especially oaks and cedars, in open woods and along fence lines, often in areas with full sun to partial shade. It is commonly found in the Edwards Plateau and Post Oak Savannah ecoregions, where the climate is warm and humid. The lichen's chemistry includes usnic acid, which gives it a distinctive yellow-green color under ultraviolet light.
Bumpy ramalina lichen (Ramalina complanata) on small trees or bushes in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
805 Lakeview Ln, Somerville, TX 77879, USAObservations of Ramalina complanata in East and Central Texas reveal that this species of lichen thrives in half-open areas with moderate sunlight. It is commonly found growing on small trees or bushes, where it can form dense, bumpy clusters. At Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park, Ramalina complanata was observed on December 21, 2019, indicating its presence in the region during winter months. The lichen's ability to grow on a variety of substrates, including tree bark and twigs, allows it to colonize a range of habitats. Its bumpy texture and pale greenish-gray coloration make it easily identifiable in the field. Overall, Ramalina complanata appears to be a widespread and adaptable species in East and Central Texas, capable of thriving in a variety of environments. Its growth patterns and habitat preferences are notable characteristics.
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