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3752-06. Center of Maximilian sunflower (Helianthus maximiliani) both in natural light and under 365 nm ultraviolet (UV-A) blacklight, collected on Anderson Street in College Station, Texas, September 10, 2025Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Maximilian sunflower (Helianthus maximiliani) both in natural light and under 365 nm ultraviolet (UV-A) blacklight, collected on Anderson Street in College Station, Texas, September 10, 2025  Ray florets and central disk of Maximilian sunflower (Helianthus maximiliani) both in natural light and under 365 nm ultraviolet (UV-A) blacklight, collected on Anderson Street in College Station, Texas, September 10, 2025  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  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  Maximilian sunflower (Helianthus maximiliani) 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  Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 6, 2019  Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 22, 2022  Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 1, 2020  Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 21, 2021  Dry leaves of Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023  Dry plant of Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023  Dry seeds of Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023  Dry hairy leaves of Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023  Dried plants of Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023  Close-up of dry seeds of Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023  Dry flower head of Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023  Texture of dry hairy leaves of Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023  Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, August 25, 2021  Blooming Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, August 25, 2021  Maximilian sunflower (Helianthus maximiliani) on a forest clearing in Lick Creek Park. College Station, Texas, August 28, 2020  Blooming Maximilian sunflower (Helianthus maximiliani) on a forest clearing in Lick Creek Park. College Station, Texas, August 28, 2020  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  Rain lilies both in natural light and under 365 nm ultraviolet (UV-A) blacklight collected in Old Baylor Park in Independence. Texas, September 5, 2025  Large, creamy-white petals with a deep crimson/pink center of hibiscus flowers both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 12, 2025  Side view of rain lilies both in natural light and under 365 nm ultraviolet (UV-A) blacklight collected in Old Baylor Park in Independence. Texas, September 5, 2025  Pink hibiscus flower both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 12, 2025  Morning glory (Ipomoea) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 12, 2025  Pink morning glory (Ipomoea carnea) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 12, 2025  Blue flowers of morning glory (Ipomoea) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 12, 2025  Pink flower of morning glory (Ipomoea) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 12, 2025  White flowers of morning glory (Ipomoea) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 12, 2025  Variegated Eastern Redbud (Cercis canadensis) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 12, 2025  Close-up of a pink flower of morning glory (Ipomoea) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 12, 2025  Section of tomatillo (Mexican husk tomato) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Kroger Supermarket. College Station, Texas, November 6, 2025  Yellow Bells (Tecoma stans) both in natural light and under 365 nm ultraviolet (UV-A) blacklight (UV image reveals how the flower communicates with pollinators) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 12, 2025  White heath aster (Symphyotrichum ericoides) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Wolf Pen Creek Park. College Station, Texas, November 5, 2025  Star-shaped yellow flowers have 5 "clawed" petals of Golden Thryallis (Galphimia gracilis) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 12, 2025  Flowers of white heath aster (Symphyotrichum ericoides) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Wolf Pen Creek Park. College Station, Texas, November 5, 2025  A stump with a dry leaf both in natural light and under 365 nm ultraviolet (UV-A) blacklight near Krugovaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 23, 2025  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  Mossy stump with a dry leaf both in natural light and under 365 nm ultraviolet (UV-A) blacklight near Krugovaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 23, 2025  Handshake symbol on a tombstone both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Decorations of a children s tomb both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Compact tomb of Neil both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Tomb of Gullied with crustose lichens both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Masonic compass symbol on a tombstone both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Marble tomb of George Moore both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Marble tomb of George Pennington both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Granite tomb of Campbell with lichens both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Crustose lichens of a rough surface of a tombstone both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Various crustose lichens on a flat surface of a romb both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Speckled lichens on a back of a granite tombstone both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Handshake symbol on a marble tomb of W. Jeter both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  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  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  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  Sunflower (Helianthus) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Leach Teaching Gardens at Texas A and M University. College Station, Texas, August 25, 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  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  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  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  White heath aster (Symphyotrichum ericoides) covered in a dense carpet of tiny white flowers with yellow centers both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Wolf Pen Creek Park. College Station, Texas, November 5, 2025  Wooden bars of a bench with crustose lichens both in natural light and under 365 nm ultraviolet (UV-A) blacklight in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, October 11, 2024  Various crustose lichens on a weatered wooden bench both in natural light and under 365 nm ultraviolet (UV-A) blacklight in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, October 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  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  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  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  Iron knob with lichens of a cast iron fence of a tomb both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Iron stand with lichens of a cast iron tomb fence both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Colors of crustose lichens on a weatered wooden bench both in natural light and under 365 nm ultraviolet (UV-A) blacklight in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, October 11, 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  Iron cedar tree with lichens of a cast iron tomb fence both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Sidewalk firedot lichen (Xanthocarpia feracissima, Caloplaca feracissima) 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  Granite tombstone with sidewalk firedot lichen (Xanthocarpia feracissima, Caloplaca feracissima) both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024  Flowers of Virgin s Bower (Clematis virginiana) both in natural light and under 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024  Inflorescence of Virgin s Bower (Clematis virginiana) both in natural light and under 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024  Pineapple bolete mushroom (Boletellus ananas) both in natural light and under 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024  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  Soft fleshy amorphous polypore mushroom Abortiporus biennis(?) both in natural light and under 365 nm ultraviolet (UV-A) blacklight, found on rotting pine wood before the lake on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2025  Fertile fronds of bead fern (Onoclea sensibilis) both in natural light and under 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 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  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  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  Green cabbage head both in natural light and under 365 nm ultraviolet (UV-A) blacklight from HEB supermarket. College Station, Texas, October 8, 2024  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  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  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  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  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  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  Rotting log both in natural light and under 365 nm ultraviolet (UV-A) blacklight near Krugovaya Alley in Sosnovka Park. The intense blue or blue-green glow comes from the wood itself, specifically from lignin and cellulose. The red fluorescence comes from Chlorophyll from algae/moss or Porphyrins from bacteria. Saint Petersburg, Russia, September 23, 2025  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  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  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 |