![](../../pictures/archives/compress/2024/3620/jpeg/15t.jpg) 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
![](../../pictures/archives/compress/2024/3624/jpeg/19t.jpg) 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
![](../../pictures/archives/compress/2024/3620/jpeg/17t.jpg) 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
![](../../pictures/archives/compress/2024/3620/jpeg/16t.jpg) 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
![](../../pictures/archives/compress/2024/3613/jpeg/02t.jpg) 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
![](../../pictures/archives/compress/2024/3624/jpeg/03t.jpg) Stickleaf (blazing star) Mentzelia texana(?) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
![](../../pictures/archives/compress/2024/3624/jpeg/02t.jpg) Yellow flower of stickleaf (blazing star) Mentzelia texana(?) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
![](../../pictures/archives/compress/2024/3624/jpeg/04t.jpg) Close-up of a flower and fruits of stickleaf (blazing star) Mentzelia texana(?) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
![](../../pictures/archives/compress/2024/3624/jpeg/27t.jpg) 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
![](../../pictures/archives/compress/2024/3624/jpeg/24t.jpg) 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
![](../../pictures/archives/compress/2024/3624/jpeg/21t.jpg) 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
![](../../pictures/archives/compress/2024/3624/jpeg/17t.jpg) 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
![](../../pictures/archives/compress/2024/3620/jpeg/08t.jpg) Stickleaf (blazing star) Mentzelia texana(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3620/jpeg/10t.jpg) Flower of stickleaf (blazing star) Mentzelia texana(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3620/jpeg/09t.jpg) Blooming stickleaf (blazing star) Mentzelia texana(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3620/jpeg/11t.jpg) Yellow flowers of stickleaf (blazing star) Mentzelia texana(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3624/jpeg/25t.jpg) 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
![](../../pictures/archives/compress/2024/3620/jpeg/21t.jpg) 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
![](../../pictures/archives/compress/2024/3620/jpeg/22t.jpg) 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
![](../../pictures/archives/compress/2024/3613/jpeg/07t.jpg) 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
![](../../pictures/archives/compress/2024/3620/jpeg/13t.jpg) 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
![](../../pictures/archives/compress/2024/3613/jpeg/06t.jpg) 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
![](../../pictures/archives/compress/2024/3613/jpeg/04t.jpg) 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
![](../../pictures/archives/compress/2024/3620/jpeg/18t.jpg) 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
![](../../pictures/archives/compress/2024/3613/jpeg/01t.jpg) 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
![](../../pictures/archives/compress/2024/3613/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2024/3613/jpeg/03t.jpg) 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
![](../../pictures/archives/compress/2024/3613/jpeg/08t.jpg) 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
![](../../pictures/archives/compress/2024/3613/jpeg/10t.jpg) 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
![](../../pictures/archives/compress/2024/3613/jpeg/05t.jpg) 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
![](../../pictures/archives/compress/2024/3620/jpeg/19t.jpg) 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
![](../../pictures/archives/compress/2024/3610/jpeg/15t.jpg) 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
![](../../pictures/archives/compress/2024/3610/jpeg/12t.jpg) Snake cotton (Froelichia) 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
![](../../pictures/archives/compress/2024/3610/jpeg/04t.jpg) 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
![](../../pictures/archives/compress/2024/3610/jpeg/09t.jpg) Sandburs (Cenchrus spinifex) 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
![](../../pictures/archives/compress/2024/3610/jpeg/10t.jpg) Passion flower (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
![](../../pictures/archives/compress/2024/3610/jpeg/07t.jpg) 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
![](../../pictures/archives/compress/2024/3610/jpeg/08t.jpg) 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
![](../../pictures/archives/compress/2024/3610/jpeg/13t.jpg) Top view of passion flower (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
![](../../pictures/archives/compress/2024/3610/jpeg/21t.jpg) Flower buds 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
![](../../pictures/archives/compress/2024/3610/jpeg/20t.jpg) 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
![](../../pictures/archives/compress/2024/3610/jpeg/06t.jpg) 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
![](../../pictures/archives/compress/2024/3610/jpeg/11t.jpg) Spherical inflorescence 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
![](../../pictures/archives/compress/2024/3610/jpeg/03t.jpg) Fruits of balloon vine (Cardiospermum halicacabum) 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
![](../../pictures/archives/compress/2024/3610/jpeg/17t.jpg) 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
![](../../pictures/archives/compress/2024/3610/jpeg/14t.jpg) Side view of passion flower (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
![](../../pictures/archives/compress/2024/3610/jpeg/05t.jpg) 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
![](../../pictures/archives/compress/2024/3610/jpeg/02t.jpg) 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
![](../../pictures/archives/compress/2024/3610/jpeg/19t.jpg) 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
![](../../pictures/archives/compress/2024/3610/jpeg/18t.jpg) 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
![](../../pictures/archives/compress/2024/3610/jpeg/16t.jpg) 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
![](../../pictures/archives/compress/2024/3605/jpeg/24t.jpg) Branched blazing star (Aggie-land gayfeather, Liatris cymosa) 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, August 21, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/08t.jpg) Dissected star fruit (Carambola) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/07t.jpg) Section of star fruit (Carambola) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/06t.jpg) Slice of star fruit (Carambola) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/14t.jpg) Sumpweed (Iva annua) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Wolf Pen Creek Park. College Station, Texas, September 4, 2024
![](../../pictures/archives/compress/2024/3625/jpeg/01t.jpg) Powderpuff (Mimosa strigillosa) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, September 23, 2024
![](../../pictures/archives/compress/2024/3625/jpeg/03t.jpg) Frostweed (Verbesina virginica) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, September 23, 2024
![](../../pictures/archives/compress/2024/3617/jpeg/21t.jpg) Flowers of bag-pod (Sesbania vesicaria) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, September 10, 2024
![](../../pictures/archives/compress/2024/3623/jpeg/10t.jpg) Peppervine (Ampelopsis arborea) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, September 20, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/14t.jpg) Bag-pod (Sesbania vesicaria) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2024/3623/jpeg/08t.jpg) Gomphrena serrata from a lawn when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, September 20, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/13t.jpg) Sumpweed (Iva annua) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2024/3623/jpeg/11t.jpg) Leaf of mustang grape when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, September 20, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/03t.jpg) Bolete mushroom Tylopilus when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 3, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/15t.jpg) Rattlebush (Sesbania drummondii) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/31t.jpg) Section of a bolete mushroom when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/18t.jpg) Water primrose (Ludwigia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/16t.jpg) Frostweed (Verbesina virginica) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/27t.jpg) Partridge pea (Cassia fasciculata) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3617/jpeg/05t.jpg) Buttonbush (Cephalanthus occidentalis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 8, 2024
![](../../pictures/archives/compress/2024/3617/jpeg/19t.jpg) Frostweed (Verbesina virginica) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 9, 2024
![](../../pictures/archives/compress/2024/3617/jpeg/07t.jpg) Spurge (Euphorbia heterophylla) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 8, 2024
![](../../pictures/archives/compress/2024/3617/jpeg/06t.jpg) Close-up of buttonbush (Cephalanthus occidentalis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 8, 2024
![](../../pictures/archives/compress/2024/3622/jpeg/12t.jpg) Bastard pennyroyal (Trichostema dichotomum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 17, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/08t.jpg) Narrowleaf marsh elder (Iva angustifolia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2024/3625/jpeg/06t.jpg) Narrowleaf marsh elder (Iva angustifolia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 25, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/30t.jpg) Section of mushrooms Amanita pubescens when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3617/jpeg/16t.jpg) Passion flower (Passiflora foetida) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 9, 2024
![](../../pictures/archives/compress/2024/3625/jpeg/04t.jpg) Frog fruit (Phyla incisa, Lippia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, September 23, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/25t.jpg) Rooting puffball mushrooms (Lycoperdon radicatum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3622/jpeg/10t.jpg) Blooming bastard pennyroyal (Trichostema dichotomum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 17, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/33t.jpg) Blood red bracket mushrooms (Pycnoporus sanguineus) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3622/jpeg/07t.jpg) Foxtail millet grass (Setaria italica) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 17, 2024
![](../../pictures/archives/compress/2024/3622/jpeg/09t.jpg) Flower of bastard pennyroyal (Trichostema dichotomum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 17, 2024
![](../../pictures/archives/compress/2024/3617/jpeg/15t.jpg) Top view of passion flower (Passiflora foetida) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 9, 2024
![](../../pictures/archives/compress/2024/3617/jpeg/18t.jpg) Close-up of passion flower (Passiflora foetida) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 9, 2024
![](../../pictures/archives/compress/2024/3622/jpeg/16t.jpg) Dry leaf of mustang grape (Vitis mustangensis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 17, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/05t.jpg) Shoot of Chinese privet (Ligustrum sinense) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 3, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/10t.jpg) Shoot of mustang grape (Vitis mustangensis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/02t.jpg) Section of a bolete mushroom Pulchroboletus rubricitrinus when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 3, 2024
![](../../pictures/archives/compress/2024/3621/jpeg/22t.jpg) Water primrose (Ludwigia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/28t.jpg) Section of rooting puffball mushrooms (Lycoperdon radicatum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3617/jpeg/17t.jpg) Side view of passion flower (Passiflora foetida) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 9, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/32t.jpg) Section of porcini mushrooms (Boletus edulis group) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 5, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/03t.jpg) Fluffy seeds of wand blackroot (Pterocaulon virgatum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2024/3618/jpeg/12t.jpg) Young growth of mustang grape (Vitis mustangensis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2024/3623/jpeg/09t.jpg) Common trumpet creeper (Foxglove vine, Campsis radicans) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, September 20, 2024
![](../../pictures/archives/compress/2024/3622/jpeg/13t.jpg) Elegant gayfeather (pinkscale, Liatris hesperelegans, former L. elegans) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 17, 2024
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