Weather (KIAH): Temperature 27.9° (0.3° higher than normal), min. 24°, max. 34°, min. over preceding two weeks is 24°. Wind speed 9.8 km/hour. Precipitation 1.0 mm (23% normal), preceding two weeks 3% normal, preceding two months 132% normal.
Foliose lichens Ramalina celastri and Teloschistes exilis on a twig of elm when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
Slender orange-bush lichen (Teloschistes exilis) on a twig of elm when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
Twig of elm tree with folious lichens Teloschistes exilis, Parmotrema hypotropum, Usnea strigosa when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
Close-up of a twig of elm tree with folious lichens when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
Close-up of a twig of elm tree with folious lichens Teloschistes exilis and Parmotrema hypotropum when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
Twig of elm tree with folious lichens Teloschistes exilis and Parmotrema hypotropum when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024