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3618-02. 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, 2024Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Purple gerardia (false foxglove, Agalinis purpurea) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 18, 2024  Purple gerardia (prairie agalinis, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 12, 2008  Purple gerardia (prairie agalinis, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 24, 2012  Close up of a flower of Purple gerardia (prairie agalinis, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 24, 2012  Unopened flower of Purple gerardia (prairie agalinis, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 24, 2012  Purple gerardia (false foxglove, Agalinis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Greenway Trail. College Station, Texas, September 19, 2024  Purple gerardia (prairie agalinis, Agalinis purpurea) in Lick Creek Park. College Station, Texas, October 1, 2019  Purple gerardia (false foxglove, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 13, 2023  Purple gerardia (false foxglove, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 9, 2021  Buckeye caterpillar on purple gerardia (false foxglove, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 9, 2021  Purple gerardia (false foxglove, Agalinis purpurea) on a trail spur near Yaupon Trail in Lick Creek Park. College Station, Texas, September 23, 2008  Flower of purple gerardia (false foxglove, Agalinis purpurea) on a trail spur near Yaupon Trail in Lick Creek Park. College Station, Texas, September 23, 2008  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  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  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  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  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  Purple gerardia (prairie agalinis, Agalinis purpurea) on roadside of Road 259, in Port Sullivan. West from Hearne, Texas, September 20, 2008  Purple gerardia (prairie agalinis, Agalinis purpurea) on Moore s Hill Outcrop at FM Road 3090 near Navasota. Texas, September 30, 2013  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  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  Leaves of purple bindweed (Ipomoea cordatotriloba) with insect holes both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, October 4, 2024  Purple gerardia (prairie agalinis, Agalinis purpurea) Lake Bryan Park. Bryan, Texas, September 30, 2013  Fruit of purple passionflower (Passiflora incarnata) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, May 20, 2026  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  Purple gerardia (prairie agalinis, Agalinis purpurea) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021  Close-up of fruit of purple passionflower (Passiflora incarnata) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, June 29, 2026  Flowers of woolly croton (hogwort, Croton capitatus) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 17, 2024  Back lit flowers of purple gerardia (prairie agalinis, Agalinis purpurea) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021  Dissected dyeball mushroom (Pisolithus arhizus) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Greenway Trail. College Station, Texas, September 19, 2024  Purple gerardia (false foxglove, Agalinis purpurea) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 21, 2021  Flowers of purple gerardia (false foxglove, Agalinis purpurea) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 21, 2021  Leaf of a thistle (Cirsium) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 22, 2024  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  Back lit flowers of purple gerardia (false foxglove, Agalinis purpurea) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 21, 2021  Blooming dog fennel (Eupatorium capillifolium) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 13, 2024  Blooming bastard pennyroyal (Trichostema dichotomum) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 1, 2024  Purple gerardia (false foxglove, Agalinis purpurea(?)) on roadside in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012  Wild muskmelon (Cucumis melo, Dudaim melon) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 16, 2024  Caps of ringless honey mushrooms (Desarmillaria caespitosa) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, October 8, 2024  Golden reishi mushroom (Ganoderma curtisii) with grass both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, October 23, 2024  Acorns from oaks both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Greenway Trail. College Station, Texas, October 18, 2024  Annual broomweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Greenway Trail. College Station, Texas, October 18, 2024  Cluster of young ringless honey mushrooms (Desarmillaria caespitosa) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 7, 2024  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  Underside of a cluster of ringless honey mushrooms (Desarmillaria caespitosa) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 7, 2024  Purple gerardia (prairie agalinis, Agalinis purpurea) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019  Flowers of climbing hempvine (Mikania scandens) both in natural light and under 365 nm ultraviolet (UV-A) blacklight, collected in Lick Creek Park. College Station, Texas, September 9, 2025  Close-up of fruit of pomegranate both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Kroger supermarket. College Station, Texas, September 12, 2024  Section of fruit of pomegranate both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Kroger supermarket. College Station, Texas, September 12, 2024  Inflorescence of Bradford pea both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Wolf Pen Creek Park. College Station, Texas, October 9, 2024  Purple gerardia (false foxglove, Agalinis purpurea) on roadside of Road 259, in Port Sullivan. West from Hearne, Texas, September 20, 2008  Flowers and fruits of Lantana camara both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, October 15, 2024  Texture of water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Bee Creek Park. College Station, Texas, November 11, 2024  Water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight taken from a pond in Bee Creek Park. College Station, Texas, November 11, 2024  Young leaves of elm both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, March 12, 2025  Green carpet of water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Bee Creek Park. College Station, Texas, November 11, 2024  Close-up of water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight from a pond in Bee Creek Park. College Station, Texas, November 12, 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  Close-up of water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight from a pond in Bee Creek Park. College Station, Texas, November 12, 2024  Grass on a sandy path both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, January 12, 2025  Flowers of thistle (Cirsium) both in natural light and under 365 nm ultraviolet (UV-A) blacklight, collected in Lick Creek Park. College Station, Texas, May 8, 2026  Ball moss (Tillandsia recurvata) with seeds fallen from an oak both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Wolf Pen Creek Park. College Station, Texas, October 28, 2024  Purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 18, 2010  Purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009  Purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020  Purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019  Shoots of coralberry (Symphoricarpos orbiculatus) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, March 12, 2025  Lemon beebalm (Monarda citriodora) both in natural light and under 365 nm ultraviolet (UV-A) blacklight, collected in Lick Creek Park. College Station, Texas, May 8, 2026  Horse dung on a sandy path both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, January 9, 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  Blooming purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019  Flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020  Flower of purple gerardia (false foxglove, Agalinis purpurea) with dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010  Flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019  Flowers of Maximilian sunflower (Helianthus maximiliani) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 18, 2024  Blooming Maximilian sunflower (Helianthus maximiliani) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 18, 2024  Center of Maximilian sunflower (Helianthus maximiliani) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 18, 2024  Polypore mushrooms Ganoderma sessile on a stump both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, November 29, 2025  Yellow star-grass (Hypoxis hirsuta) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, March 12, 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  Opening flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010  Close up of a flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019  Damselfly on a flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010  Closed flowers of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010  Caps of oyster mushrooms (Pleurotus ostreatus) on a fallen oak both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, November 29, 2025  Bracket polypore mushrooms Ganoderma sessile on a stump both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, November 29, 2025  Polypore mushrooms Ganoderma sessile on a rotting stump both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, November 19, 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 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  Green cabbage head both in natural light and under 365 nm ultraviolet (UV-A) blacklight from HEB supermarket. College Station, Texas, October 8, 2024  Layers of yellow onion both in natural light and under 365 nm ultraviolet (UV-A) blacklight from HEB supermarket. College Station, Texas, October 3, 2024  Close-up of yellow onion both in natural light and under 365 nm ultraviolet (UV-A) blacklight from HEB supermarket. College Station, Texas, October 3, 2024  Section of a cabbage head both in natural light and under 365 nm ultraviolet (UV-A) blacklight from HEB supermarket. College Station, Texas, October 8, 2024  Young polypore mushrooms Ganoderma sessile on a rotting stump both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, November 19, 2025  Purple gerardia (false foxglove, Agalinis purpurea) in Lake Bryan Park. Bryan, Texas, October 10, 2012  Texture of section of yellow onion both in natural light and under 365 nm ultraviolet (UV-A) blacklight from HEB supermarket. College Station, Texas, October 3, 2024  American Dagger Moth (Acronicta americana) caterpillar on Yaupon holly both in natural light and under 365 nm ultraviolet (UV-A) blacklight. Lick Creek Park. College Station, Texas, October 26, 2025 |