Synonyms: Desmazieria peruviana, Fistulariella javanica, Lichen squarrosus, Ramalina farinacea, Ramalina intermediella, Ramalina javanica, Ramalina roesleri.
Common name: Peruvian cartilage lichen.
Ramalina peruviana is a fruticose lichen species characterized by pale greenish-yellow to grayish branches, typically 2-5 cm long, with cylindrical to flattened podetia bearing apothecia. In East and Central Texas, it grows on trees, shrubs, and rocks, often in open woods and along streams, preferring shaded to partially shaded environments. The species is relatively common in the region, particularly on cedar elm, oak, and juniper, where it can form dense, hanging clusters.
Observations of Ramalina peruviana in East and Central Texas reveal its presence in various environments. On January 26, 2019, the lichen was found on a tree in a forested area along Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. The species was also spotted on a small tree or bush in a half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park on January 26, 2020. These findings suggest that Ramalina peruviana can thrive in both shaded and partially exposed conditions, and can be found on different types of vegetation, including trees and bushes. The lichen's ability to adapt to various environments is notable, and its presence in these areas highlights the diversity of lichen species in East and Central Texas. Specific habitats include forests and half-open areas near lakes.
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