Weather (KIAH): Temperature 14.8° (2.9° higher than normal), min. 13°, max. 17°, min. over preceding two weeks is 3°. Wind speed 13.3 km/hour. Precipitation 0.0 mm, preceding two weeks 57% normal, preceding two months 56% normal.
Parmotrema(?) lichen on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Buellia or may be Aspicilia, Lecidella lichen on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Close-up of Buellia or may be Aspicilia, Lecidella lichen on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Fringe lichen (Heterodermia)(?) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Rock-shield lichen (Xanthoparmelia) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Foliose lichen Xanthoparmelia conspersa on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Some foliose rock-shield lichen (Xanthoparmelia) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Rosettes of some foliose rock-shield lichen (Xanthoparmelia) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Some fringe lichen (Heterodermia)(?) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Close-up of fringe lichen (Heterodermia)(?) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Rosette of fringe lichen (Heterodermia)(?) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Texture of peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Peppered rock-shield lichen (Xanthoparmelia conspersa) and rock-dwelling fern Cheilanthes lindheimeri (Myriopteris lindheimeri, lipfern)(?) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Close-up of peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
Peppered rock-shield lichen (Xanthoparmelia conspersa) with apothecia on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023 Lake Somerville Trailway, Lee County, Texas, United States
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