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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

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

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

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

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

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

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

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

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

Hibiscus flower in ultraviolet light in Leach Teaching Gardens at Texas A and M University. College Station, Texas, August 25, 2024

White Rose-Mallow (Hibiscus aculeatus)(?) in ultraviolet light in Leach Teaching Gardens at Texas A and M University. College Station, Texas, August 25, 2024

Large pink hibiscus flower in Leach Teaching Gardens at Texas A and M University. College Station, Texas, June 5, 2022

Large pink flower of rosemallow (Hibiscus) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, July 7, 2022

Flowers of Golden Thryallis (Galphimia gracilis) in ultraviolet (UV-A) blacklight (the buds and bracts show a distinct dark patterning in UV that isn t visible to the naked eye) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 12, 2025

Trumpet flower (Tecoma stans) in ultraviolet light in Leach Teaching Gardens at Texas A and M University. College Station, Texas, August 25, 2024

Flower of blue morning glory (Ipomoea) in ultraviolet light in Leach Teaching Gardens at Texas A and M University. College Station, Texas, August 25, 2024

White rose in ultraviolet light in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 16, 2024

Lichens on a large sandstone rock in ultraviolet light in Leach Teaching Gardens at Texas A and M University. College Station, Texas, September 16, 2024

Blue hibiscus flower in Leach Teaching Gardens at Texas A and M University. College Station, Texas, June 5, 2022

Buds of morning glory (Ipomoea) flowers in ultraviolet light in Leach Teaching Gardens at Texas A and M University. College Station, Texas, August 25, 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

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

Silverleaf nightshade (Solanum elaeagnifolium) 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

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, 2025

Flowers of silverleaf nightshade (Solanum elaeagnifolium) 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

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

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

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

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

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

Blue hibiscus flowers (Satin Rose of Sharon) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, May 12, 2024

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

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

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

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

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

Pink lilies in Leach Teaching Gardens at Texas A and M University. College Station, Texas, May 12, 2024

Pink lily in Leach Teaching Gardens at Texas A and M University. College Station, Texas, July 7, 2022

Pink lilies in Leach Teaching Gardens at Texas A and M University. College Station, Texas, June 5, 2022

Pink Gaura in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 28, 2024

Pink flowers of poppy in Leach Teaching Gardens at Texas A and M University. College Station, Texas, March 31, 2024

Pink gaura flowers in Leach Teaching Gardens at Texas A and M University. College Station, Texas, July 7, 2022

Pink iris flowers in Leach Teaching Gardens at Texas A and M University. College Station, Texas, March 31, 2024

Pink strawflower (Helichrysum bracteatum) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 28, 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

Pink morning glory (Ipomoea carnea) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, June 5, 2022

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

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

Flower bud of magnolia in Leach Teaching Gardens at Texas A and M University. College Station, Texas, March 31, 2024

Delphinium flower in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 10, 2022

Red poppy flower in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 28, 2024

Flower buds of lily in Leach Teaching Gardens at Texas A and M University. College Station, Texas, May 6, 2022

Iris flower in Leach Teaching Gardens at Texas A and M University. College Station, Texas, March 9, 2023

Zinnia flower in Leach Teaching Gardens at Texas A and M University. College Station, Texas, July 7, 2022

Delphinium flower in Leach Teaching Gardens at Texas A and M University. College Station, Texas, March 9, 2023

Red Cosmos flower in Leach Teaching Gardens at Texas A and M University. College Station, Texas, March 31, 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

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

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

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

Orange lily flower in Leach Teaching Gardens at Texas A and M University. College Station, Texas, June 5, 2022

Magnolia shoot with a flower bud in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 10, 2022

Orange poppy flower in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 28, 2024

Crown flower (Calotropis gigantea) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, June 5, 2022

Crown flower (Calotropis gigantea) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, July 7, 2022

Close-up of larkspur (delphinium) flower in Leach Teaching Gardens at Texas A and M University. College Station, Texas, March 31, 2024

Large flower spike of delphinium in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 10, 2022

Fallen stamens of a magnolia flower in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 28, 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

Blooming crown flower (Calotropis gigantea) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, July 7, 2022

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

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

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

Yellow flower of evening primrose (Oenothera hookeri) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, July 7, 2022

White bloom of crown flower (Calotropis gigantea) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, July 7, 2022

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

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

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

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

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

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

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

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

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

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

Pink hibiscus flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 14, 2008