Common name: Yellow Cobblestone Lichen.
Extract from Wikipedia article: Acarospora socialis (bright cobblestone lichen) is a usually bright yellow aereolate to squamulose crustose lichen in the Acarosporaceae family that grows up to 10 cm wide, mostly on rock in western North America. It is among the most common lichens in the deserts of Arizona and southern California. It grows on sandstone, intrusive and extrusive igneous rock such as granitics, in all kinds of exposures to sunlight, including vertical rock walls. It is found in North America, including areas of the Mojave Desert and Sonoran Desert region, to Baja California Sur. It is the most common yellow member of its genus in southwestern North America. It sometimes, but rarely, grows on other soil crusts. It is a pioneer species.
Yellow cobblestone lichen Acarospora socialis and brown Caloplaca on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Unnamed Road, Llano, TX 78643, USA
Yellow cobblestone lichen Acarospora socialis on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018Unnamed Road, Llano, TX 78643, USA
Yellow cobblestone lichen Acarospora socialis on sandstone outcrops in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019Lake Somerville Trailway, Somerville, TX 77879, USA
Yellow cobblestone lichen Acarospora socialis on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019Lake Somerville Trailway, Somerville, TX 77879, USA
Yellow cobblestone lichen Acarospora socialis in partial shade on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019Park Rd 1-A, Bastrop, TX 78602, USA
Pattern of yellow cobblestone lichen Acarospora socialis on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019Park Rd 1-A, Bastrop, TX 78602, USA
Close up of yellow cobblestone lichen Acarospora socialis on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019Park Rd 1-A, Bastrop, TX 78602, USA
Yellow cobblestone lichen Acarospora socialis in partial shade on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019Park Rd 1-A, Bastrop, TX 78602, USA
Close up of yellow cobblestone lichen Acarospora socialis in partial shade on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019Park Rd 1-A, Bastrop, TX 78602, USA
Texture of yellow cobblestone lichen Acarospora socialis in partial shade on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019Park Rd 1-A, Bastrop, TX 78602, USA
Yellow cobblestone lichen Acarospora socialis on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019Park Rd 1-A, Bastrop, TX 78602, USA
Yellow cobblestone lichen Acarospora socialis on sandstone of Fehr's Overlook Shelter in Bastrop State Park. Bastrop, Texas, March 14, 2019Fehr's Overlook, Fehr's Overlook Trace, Bastrop County, Texas, 78602, United States
Faded yellow cobblestone lichen Acarospora socialis on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, October 13, 2019Park Rd 1-A, Bastrop, TX 78602, USA
Yellow cobblestone lichen Acarospora socialis on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, October 13, 2019Park Rd 1-A, Bastrop, TX 78602, USA
Yellow cobblestone lichen Acarospora socialis on a sandstone rock at an overlook point in Bastrop State Park. Bastrop, Texas, February 23, 2020Park Rd 1-A, Bastrop, TX 78602, USA
Texture of yellow cobblestone lichen Acarospora socialis on a sandstone rock at an overlook point in Bastrop State Park. Bastrop, Texas, February 23, 2020Park Rd 1-A, Bastrop, TX 78602, USA
Cobblestone lichen Acarospora socialis on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, February 28, 2021Park Rd 1-A, Bastrop, TX 78602, USA
Pattern of cobblestone lichen Acarospora socialis(?) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, February 28, 2021Park Rd 1-A, Bastrop, TX 78602, USA
Patch of cobblestone lichen Acarospora socialis on sandstone bench near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, February 28, 2021Park Rd 1-A, Bastrop, TX 78602, USA
Yellow cobblestone lichen Acarospora socialis on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, December 25, 2021Trailhead, Scenic Overlook Trail, Bastrop County, Texas, 78602, United States
Cobblestone lichen Acarospora socialis on sandstone of Fehr's Overlook Shelter in Bastrop State Park. Bastrop, Texas, January 21, 2023Trailhead, Scenic Overlook Trail, Bastrop County, Texas, 78602, United States
Patch of cobblestone lichen Acarospora socialis on sandstone bench near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, January 21, 2023Trailhead, Scenic Overlook Trail, Bastrop County, Texas, 78602, United StatesMushroom Observer and Facebook for learning names of local mushrooms.
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