 |
3680-26. Leaf and flowers of spiderwort (Tradescantia) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Spiderwort (Tradescantia) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025  Blue flowers of Tradescantia both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025  Yellow star-grass (Hypoxis hirsuta) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025  Eastern swamp privet (Forestiera acuminata var. vestita) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 9, 2025  Flowers of pony beebalm (Monarda pectinata) both in natural light and under 365 nm ultraviolet (UV-A) blacklight, collected on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026  Flowers of spotted beebalm (Monarda punctata) both in natural light and under 365 nm ultraviolet (UV-A) blacklight, collected on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026  White flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 28, 2026  Button snakeroot (Eryngium yuccifolium) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 28, 2026  Light blue flower of spiderwort (Tradescantia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022  Spiderwort (Tradescantia) flowers and a leaf both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2025  Blue flowers of spiderwort (Tradescantia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022  Spiderwort (Tradescantia) flowers on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024  Violet flowers of spiderwort (Tradescantia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024  Small violet flowers of spiderwort (Tradescantia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024  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  Blue flowers of spiderwort (Tradescantia) at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023  Yellow star-grass (Hypoxis hirsuta) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025  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  Spiderwort (Tradescantia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024  Spiderwort (Tradescantia) flowers both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2025  Spiderwort (Tradescantia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023  Spiderwort (Tradescantia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024  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  Blue flower of spiderwort (Tradescantia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024  Spotted beebalm (Monarda punctata) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, May 16, 2026  Whorled milkweed (Asclepias verticillata) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, May 16, 2026  American Germander (Teucrium canadense) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, May 16, 2026  Flowers of frostweed (Verbesina virginica) both in natural light and under 365 nm ultraviolet (UV-A) blacklight collected in Somerville Lake State Park. Texas, November 23, 2025  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  Flowers of cowpen daisy (Verbesina encelioides) both in natural light and under 365 nm ultraviolet (UV-A) blacklight collected in Somerville Lake State Park. Texas, November 23, 2025  Flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 28, 2026  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  Blooming spiderwort (Tradescantia) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023  Blue flower of spiderwort (Tradescantia) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023  Flowers of spiderwort (Tradescantia) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012  Hairy leaves of spiderwort (Tradescantia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 15, 2023  Spotted beebalm (Monarda punctata) under both white light and a 365 nm ultraviolet (UV-A) LED flashlight, collected on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026  Pony beebalm (Monarda pectinata) under both white light and a 365 nm ultraviolet (UV-A) LED flashlight, collected on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026  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  Spiny heads of button snakeroot (Eryngium yuccifolium) under both white light and a 365 nm ultraviolet (UV-A) LED flashlight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 28, 2026  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  Tickseed sunflower (Bidens) both in natural light and under 365 nm ultraviolet (UV-A) blacklight collected in Somerville Lake State Park. Texas, November 23, 2025  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  Flower of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) under both white light and a 365 nm ultraviolet (UV-A) LED flashlight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 28, 2026  Flowers of Passiflora foetida 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  Young leaves of oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025  Young leaves of elm at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025  Shoot of hackberry at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025  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  Flowers of bladderpod (Sesbania vesicaria) 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  Spherical flowers of buttonbush (Cephalanthus occidentalis) 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  Slender orange-bush lichen (Teloschistes exilis) both in natural light and under 365 nm ultraviolet (UV-A) blacklight on a twig from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024  Cartilage lichen (Ramalina stenospora) on a twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025  A fly on spiderwort (Tradescantia) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012  A bug on spiderwort (Tradescantia) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012  Small, reddish spheres of oak leaf galls (specifically from the gall wasp Belonocnema kinseyi or a related cynipid species) harvested by ants at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 14, 2025  Bushy beard lichen (Usnea strigosa) on a twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025  Masses of yellow flowers OF eastern swamp privet (Forestiera acuminata) near the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019  Yellow flowers of eastern swamp privet (Forestiera acuminata var. vestita) near the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019  Flowers of woolly-white (Hymenopappus artemisiaefolius) on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 21, 2026  Masses of yellow flowers on a bush of eastern swamp privet (Forestiera acuminata var. vestita) near the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019  Underside of a leaf of spring scorpion grass (Myosotis macrosperma) with rust fungus Puccinia eatoniae var. myosotidis(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2022  Flowers of yellow star-grass (Hypoxis hirsuta) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021  Flowers of showy blue star (Amsonia illustris) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021  Tracks of a North American Raccoon (Procyon lotor) on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. It is very common to find these "little handprints" along the mudflats of Lake Somerville, especially when water levels are low and animals come to the edge to scavenge. Texas, December 22, 2025  Male and female flowers of Cherokee sedge (Carex cherokeensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020  Flowers of eastern swamp privet (Forestiera acuminata var. vestita) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020  Weathered oak wood on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2025  Weathered oak stump on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2025  Flowers of vetch (Vicia)(?) with a dotted black skipper butterfy (Hesperiidae) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020  Flowers of sand scorpianweed (waterleaf, blue curls, Phacelia patuliflora) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020  Yellow flowers of eastern swamp privet (Forestiera acuminata var. vestita) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020  Male flowers of eastern swamp privet (Forestiera acuminata var. vestita) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020  Female flowers of eastern swamp privet (Forestiera acuminata var. vestita) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020  "Nature sculpture" from weathered oak wood on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2025  Narrow-leaf false dragonhead (Physostegia angustifolia(?)) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023  Close up of male flowers of eastern swamp privet (Forestiera acuminata var. vestita) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020  Slender orange-bush lichen (Teloschistes exilis) on a bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025  Leaf of whitestar morning-glory (Ipomoea lacunosa) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021  Salt moth caterpillar on a leaf of giant ragweed at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020  Young leaf and flower buds of mustang grape at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022  Tracks of a North American Raccoon (Procyon lotor) on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2025  Oak skeleton at sunrise at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 1, 2025  Fresh leaves and female flowers of eastern swamp privet (Forestiera acuminata var. vestita) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020  Shell of a Giant Floater (Pyganodon grandis) freshwater mussel on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2025  Jewel beetles (Buprestidae, Agrilus) on a woolly croton leaf at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021  "Driftwood sculpture" of eroded oak stump with its weathered texture and skeletal appearance on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 14, 2025  Jewel beetles (Buprestidae, genus Agrilus) on a leaf of Croton capitatus at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021  Close-up of a leaf of Ipomoea lacunosa with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021  Both sides of a leaf of Ipomoea lacunosa with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021  Spiderwort (Tradescantia) in Birch Creek Unit of Lake Somerville State Park, Texas, Texas, April 29, 2012  False indigo bush (Amorpha fruticosa) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 1, 2025  Potato earthball mushrooms (Scleroderma bovista) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 14, 2025  Blooming cowpen daisy (Verbesina encelioides) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2025  Texture of orange rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021  Details of orange rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021  Orange spots of rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021  Leaf-cutting (sharp-tailed) cuckoo bee Coelioxys (female) taken from bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021 |