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
Slender orange-bush lichen (Teloschistes exilis) 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, September 1, 2024
Slender orange-bush lichen (Teloschistes exilis) on a twig on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
Slender orange-bush lichen (Teloschistes exilis) on a twig of upland swamp-privet bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Slender orange-bush lichen (Teloschistes exilis) on a fallen oak twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
Slender orange-bush lichen (Teloschistes exilis) together with T. chrysophthalmus, Ramallina and Parmotrema on a fallen oak twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
Slender orange-bush lichen (Teloschistes exilis) on a bush of upland swamp-privet at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
Slender orange-bush (Teloschistes exilis) and other fruticose lichens on a twig of elm when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2024
Buffalo gourd both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
Dissected buffalo gourd both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
Flowers of smartweed (Persicaria, Polygonum) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
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
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
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
Stickleaf (blazing star) Mentzelia texana(?) with a crab spider both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 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
Slender orange bush lichen (Teloschistes exilis) on a twig in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2008
Slender orange bush lichen (Teloschistes exilis) on a fallen twig in Lick Creek Park. College Station, Texas, June 18, 2019
Slender orange bush lichen (Teloschistes exilis) on a twig of elm tree in Lick Creek Park. College Station, Texas, March 15, 2019
Branching sprays of white flowers of wild buckwheat (Yerba colorado, Eriogonum annuum(?)) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
Slender orange bush lichen (Teloschistes exilis) on a twig in Central Park. College Station, Texas, July 8, 2014
Slender orange bush lichen (Teloschistes exilis) on a twig in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
Slender orange bush lichen (Teloschistes exilis) on a twig of an elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
Slender orange bush lichen (Teloschistes exilis) on a twig of a small tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
Flowers of cocklebur (Xanthium strumarium) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
Fruticose lichens on a twig when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
Golden-eye lichen (Teloschistes chrysophthalmus) 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, September 1, 2024
Blooming stickleaf (blazing star) Mentzelia texana(?) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
Flowers of stickleaf (blazing star) Mentzelia texana(?) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
Slender orange bush lichen (Teloschistes exilis) in Lick Creek Park. College Station, Texas, March 18, 2010.
Flowers of woolly croton (hogwort, Croton capitatus) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
Ramalina lichen on a twig 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, September 1, 2024
Slender orange bush lichen (Teloschistes exilis) in Lake Bryan Park. Bryan, Texas, October 10, 2012
Slender orange bush lichen (Teloschistes exilis) in Lake Bryan Park. Bryan, Texas, July 16, 2013
Peppered rock-shield lichen (Xanthoparmelia conspersa) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on a stone from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
Slender orange bush lichen (Teloschistes exilis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
Slender orange bush lichen (Teloschistes exilis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 12, 2009
Close up of slender orange bush lichen (Teloschistes exilis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
Tuft of slender orange bush lichen (Teloschistes exilis) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
Slender orange bush lichen (Teloschistes exilis) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
Apothecia of slender orange bush lichen (Teloschistes exilis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
Parmelia and Slender orange bush lichen (Teloschistes exilis) on a small elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
Slender orange bush lichen (Teloschistes exilis) on a small elm tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
Slender orange bush lichen (Teloschistes exilis) on a thin oak branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
Slender orange bush lichen (Teloschistes exilis) on a small oak in semiopen area in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
Golden-eye (Teloschistes chrysophthalmus) and other fruticose 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, September 1, 2024
Tuft of slender orange bush lichen (Teloschistes exilis) on an oak in semi-open area in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
Slender orange bush lichen (Teloschistes exilis) and striped ramalina lichen (Ramalina montagnei) on a small elm tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
Slender orange-bush lichen (Teloschistes exilis) together with Parmotrema and Physcia on an old pad of prickly pear cactus in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
Golden-eye lichen (Teloschistes chrysophthalmus) on a twig on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
Wild buckwheat (Eriogonum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
Slice of buffalo gourd when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
Fruticose lichens on an elm twig 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, September 1, 2024
Apothecia of golden-eye lichen (Teloschistes chrysophthalmus) on a twig on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
Yellow Indiangrass (Sorghastrum nutans) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
Stickleaf (blazing star) Mentzelia texana(?) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
A tree limb with slender orange bush (Teloschistes exilis) and Ramalina lichens on Raccoon Run Trail in Lick Creek Park. College Station, Texas, December 26, 2013
Flowers of slender vervain (verbena) 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 vervain (verbena) with a crab spider 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
Orange crustous lichen Caloplaca on a sandstone rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
Round patches of crustose lichen with bright orange fluorescence on a granite tomb both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 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
Foliose lichens Ramalina celastri and Teloschistes exilis at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
Fluffy seeds of groundsel bush (seepwillow, Baccharis halimifolia) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 1, 2024
Fallen horse apple (osage orange, Maclura) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, October 4, 2024
Cartilage lichen (Ramalina stenospora) on a twig a bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Powdered ruffle lichen (Parmotrema hypotropum) on a thin twig of a bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
Flower of powderpuff (Mimosa strigillosa) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, September 23, 2024
Cartilage lichen (Ramalina stenospora) on a twig of upland swamp-privet bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Smooth axil-bristle lichen (Myelochroa galbina) on a thin twig of a bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
Flowers of frostweed (Verbesina virginica) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
Purple gerardia (Agalinis purpurea) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
Bushy beard lichen (Usnea strigosa) on a twig of upland swamp-privet bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Flowering fringe lichen (Heterodermia echinata) on a twig of upland swamp-privet bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Powdered ruffle lichen (Parmotrema hypotropum) on a twig of a bush in a half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
Small feather of a bird when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
Smooth axil-bristle lichen (Myelochroa galbina) on a twig of upland swamp-privet bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Water primrose (Ludwigia) with flower buds both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
Flowers of bastard pennyroyal (Trichostema dichotomum) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 17, 2024
Close-up of narrowleaf marsh elder (Iva angustifolia) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
Salt-marsh fleabane (Pluchea odorata) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
Creeping cucumber (Melothria pendula) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
Burs of cocklebur (Xanthium strumarium) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
Tuft of thorny Ramallina lichen (Ramalina willeyi) on a thin twig of a bush in a half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
Thorny Ramallina lichen (Ramalina willeyi) with apothecia on a thin twig of a bush in a half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
Close-up of smooth axil-bristle lichen (Myelochroa galbina) on a twig of upland swamp-privet bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Perforated ruffle lichen (Parmotrema perforatum) on a twig of a small tree or a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
Elegant gayfeather (pinkscale, Liatris hesperelegans, former L. elegans) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 17, 2024
Young leaf of mustang grape (Vitis mustangensis) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
Blooming salt-marsh fleabane (Pluchea odorata) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
Trailing fuzzy-bean (Strophostyles helvola) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
Rain lily (Cooperia drummondii) 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, September 1, 2024
Morning Glory (Ipomoea cordatotriloba) 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, September 1, 2024
Flower of blazing star (Liatris) 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, September 1, 2024
Stickleaf (blazing star) Mentzelia texana(?) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
Close-up of fluffy seeds of wand blackroot (Pterocaulon virgatum) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
Southern prairie aster (Eurybia hemispherica) 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, September 1, 2024
Ribseed sandmat (ridgeseed spurge, Chamaesyce glyptosperma) 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, September 1, 2024
Woolly croton (hogwort, Croton capitatus) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
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