 St. Andrew cross flower (Hypericum, Ascyrum hypericoides) on Little Lake Creek Loop Trail in Sam Houston National Forest. Huntsville, Texas, September 14, 2008
 St. Andrew cross flower (Hypericum, Ascyrum hypericoides) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 St. Andrew cross flower (Hypericum, Ascyrum hypericoides) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 26, 2009
 Blooming st. Andrew cross flower (Hypericum, Ascyrum hypericoides) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 Back lit St. Andrew cross flower (Hypericum, Ascyrum hypericoides) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 26, 2009
 St. Andrew cross (Ascyrum hypericoides, Hypericum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 St. Andrew cross (Ascyrum hypericoides, Hypericum) on Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, July 19, 2022
 Flowers of St. Andrew cross (Hypericum, Ascyrum hypericoides) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, September 21, 2024
 St. Andrew cross (Hypericum, Ascyrum hypericoides) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, September 21, 2024
 St. Andrew cross (Ascyrum hypericoides, Hypericum) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 11, 2019
 St. Andrew cross flower (Hypericum, Ascyrum hypericoides) in Lick Creek Park. College Station, Texas, May 3, 2008
 St. Andrew cross flower (Hypericum, Ascyrum hypericoides) in Lick Creek Park. College Station, Texas, July 26, 2014
 St. Andrew cross flower (Hypericum, Ascyrum hypericoides) in Lick Creek Park. College Station, Texas, July 7, 2012
 St. Andrew cross flower (Hypericum, Ascyrum hypericoides) in Lick Creek Park. College Station, Texas, July 24, 2013
 St. Andrew cross flower (Hypericum, Ascyrum hypericoides) in Lake Bryan Park. Bryan, Texas, July 20, 2014
 St. Andrew cross flower (Hypericum, Ascyrum hypericoides) in Lick Creek Park. College Station, Texas, August 31, 2012
 St. Andrew cross (Hypericum, Ascyrum hypericoides) in Lick Creek Park. College Station, Texas, July 22, 2014
 St. Andrew cross (Ascyrum hypericoides, Hypericum) in Lick Creek Park. College Station, Texas, July 21, 2019
 St. Andrew cross (Ascyrum hypericoides, Hypericum) in Lick Creek Park. College Station, Texas, July 22, 2014
 St. Andrew cross (Hypericum, Ascyrum hypericoides) in Lick Creek Park. College Station, Texas, July 26, 2014
 Flowers of St. Andrew cross (Ascyrum hypericoides, Hypericum) in Lick Creek Park. College Station, Texas, July 21, 2019
 St. Andrew cross (Hypericum, Ascyrum hypericoides) in Lake Bryan Park. Bryan, Texas, July 31, 2014
 Flowers of St. Andrew cross (Hypericum, Ascyrum hypericoides) in Lake Bryan Park. Bryan, Texas, July 20, 2014
 St. Andrew cross (Hypericum, Ascyrum hypericoides) in Lick Creek Park. College Station, Texas, August 1, 2021
 St. Andrew cross (Ascyrum hypericoides, Hypericum) in Lick Creek Park. College Station, Texas, August 4, 2021
 Blooming St. Andrew cross (Hypericum, Ascyrum hypericoides) in Lick Creek Park. College Station, Texas, August 1, 2021
 St. Andrew cross (Hypericum, Ascyrum hypericoides) 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
 St. Andrew cross (Hypericum, Ascyrum hypericoides) in Bastrop State Park. Bastrop, Texas, September 15, 2012
 St. Andrew cross (Hypericum hypericoides) 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
 Small yellow flower of pea family (Pencil flower, Stylosanthes biflora) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Yellow flower of St. Peter s-wort (Hypericum crux-andreae) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Small bee on a flower of St. Peter s-wort (Hypericum crux-andreae) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Green passion flower (Passiflora lutea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Western ironweed (Vernonia baldwini) flower on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Opening flower of blue waterleaf (Hydrolea ovata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Yellow and green passion flower (Passiflora lutea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Yellow and green passion flower (Passiflora lutea), with corona and pistil, on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Tiny yellow flowers of Hypericum(?) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 Yellow star-grass flower in burned forest in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 4, 2008
 Flower of butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 22, 2008
 Flower of spurge Euphorbia corollata(?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 22, 2008
 St. Andrew cross flower on Iron Bridge Trail in Lick Creek Park. College Station, Texas, September 12, 2008
 Tiny yellow flowers of Hypericum(?) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Small flower of spurge Euphorbia corollata in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Sun through mist from Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Cutting from Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Sunrise from Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 St. Peter s-wort (Hypericum crux-andreae) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Wild Morning Glory (Ipomoea cordatotriloba) flower in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Flower buds of blazing star (Liatris, gayfeather) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Burned pines from Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Misty sunrise from Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Little Lake Creek Loop Trail at misty morning in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Pine trees at sunrise from Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Pine trees in mist from Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Pine tree trunks from Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Ruellia flower on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Commelina flower on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Western ironweed (Vernonia baldwini) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Blue flower of Commelina on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Flower of Ruellia nudiflora on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Blue flower of Commelina on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Winecup flower (Callirhoe) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Ripening fruits of beautyberry (Callicarpa americana) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Small yellow flowers of agrimony (Agrimonia) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Flower of Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Sensitive brier (Schrankia uncinata) with a pinkish red fluffy flower ball on a thorn-covered stem on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 22, 2008
 Blue flower of downy lobelia (Purple dewdrop, Lobelia puberula) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Pink powderpuff flower (Mimosa strigillosa) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Back lit flower of Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Opening flowers of narrow-leaf gayfeather (Liatris mucronata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Young flowers of narrow-leaf gayfeather (Liatris mucronata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Yellow and green passion flower (Passiflora lutea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Flower of Maryland meadow-beauty (Rhexia mariana) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Tiny white flowers of rustweed (juniper leaf, Polypremum procumbens) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Back lit yellow and green passion flower (Passiflora lutea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Close up of yellow and green passion flower (Passiflora lutea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Climbing yellow and green passion flower (Passiflora lutea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Yellow and green passion flower (Passiflora lutea) with ferns on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Narrow-leaf gayfeather (Liatris mucronata), close up of flowers with imbricated phyllaries enclosing each cluster, on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Flower of purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Flower of Purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Small lake in pine forest in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, January 26, 2008
 Goldenrod in dew in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, October 4, 2008
 Pines in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, January 26, 2008
 Central area of a flower of Purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 St. Peter s-wort (Hypericum crux-andreae) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Yellow star-grass in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 4, 2008
 False boneset(?) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Boneset(?) flowers in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Sprout of arrowwood in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Erect dayflower in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Autumn asters in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, October 4, 2008
 Pine cone in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Virginia creeper colonizing burned forest in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 4, 2008
 Blooming St. Peter s-wort (Hypericum crux-andreae) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Cross section of a tooth mushroom Hydnum repandum under pines on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, February 8, 2020
 Blooming yellow star-grass in burned forest in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 4, 2008
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