 Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Flower of butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Close up of a flower of Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Flower of butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 22, 2008
 Butterfly pea (Centrosema virginianum) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Flower of Butterfly pea (Centrosema virginianum) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 Butterfly pea (Centrosema virginianum) on 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 13, 2014
 Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Flower of Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Back lit flower of Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Shoot of butterfly pea (Centrosema virginianum)(?) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 30, 2019
 Butterfly pea (Centrosema virginianum) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 11, 2019
 Butterfly pea (Centrosema virginianum) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, July 20, 2019
 Butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, August 21, 2020
 Butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 Butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Flower of butterfly pea (Centrosema virginianum) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, July 20, 2019
 Blooming butterfly pea (Centrosema virginianum) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, July 20, 2019
 Flower of butterfly pea (Centrosema virginianum) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 11, 2019
 Blooming butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 Flower of butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Blooming butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Back lit butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 Blooming butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Close-up of butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 Close-up of a flower of butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Close-up of a flower of butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Butterfly pea (Centrosema virginianum) and bracken fern on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Back lit flower of butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Flowers and green fruits of butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Butterfly pea (Centrosema virginianum) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, June 22, 2021
 Blooming butterfly pea (Centrosema virginianum) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, June 22, 2021
 Flower of butterfly pea (Centrosema virginianum) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, June 22, 2021
 Large flower of butterfly pea (Centrosema virginianum) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, June 22, 2021
 Flower of butterfly pea (Centrosema virginianum) 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, August 24, 2024
 Flower of butterfly pea (Centrosema virginianum) among bracken fern on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, June 22, 2021
 Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, June 9, 2019
 Butterfly pea (Centrosema virginianum) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, August 4, 2018
 Seedling of butterfly pea (Centrosema virginianum) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, March 11, 2023
 Shoot of butterfly pea (Centrosema virginianum) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, March 11, 2023
 Butterfly pea (Centrosema virginianum) flower in Lick Creek park, on Deer Run Trail. College Station, June 15, 2008
 Butterfly pea (Centrosema virginianum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, July 21, 2019
 Flower of butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, July 21, 2019
 Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, June 14, 2012
 Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, June 30, 2012
 Flower of Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, June 14, 2012
 Back lit Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, June 14, 2012
 Close up of a flower of Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, June 14, 2012
 Leaves and a flower of Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, June 14, 2012
 Butterfly pea (Centrosema virginianum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Butterfly pea (Centrosema virginianum) on Park Hudson Trail. College Station, Texas, August 6, 2014
 Giant Swallowtail butterfly (Papilio cresphontes) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Butterfly pea (Centrosema virginianum) in Bastrop State Park. Bastrop, Texas, June 16, 2012
 Close up of Butterfly pea (Centrosema virginianum) on Park Hudson Trail. College Station, Texas, August 6, 2014
 Close up of giant Swallowtail butterfly (Papilio cresphontes) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, July 1, 2014
 Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, July 10, 2014
 Giant Swallowtail butterfly (Papilio cresphontes) on yaupon holly on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Butterfly pea (Centrosema virginianum) west from Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, June 16, 2012
 Butterfly pea (Centrosema virginianum) west from Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, June 16, 2012
 Back lit Butterfly pea (Centrosema virginianum) west from Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, June 16, 2012
 Flowers of Butterfly pea (Centrosema virginianum) west from Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, June 16, 2012
 Winecup (Callirhoe) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Sunflower (Helianthus) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Dayflower (Commelina) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Spiderwort (Tradescantia) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Reddish shoot of elm(?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Dayflower (Commelina) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Dayflower (Commelina) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Shoot of gayfeather (Liatris) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Close up of dayflower (Commelina) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 (Amanita texasorora mushrooms on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Blue dayflower (Commelina) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Flowers of spiderwort (Tradescantia) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Blooming spiderwort (Tradescantia) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Rustgill mushrooms (Gymnopilus) on a log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Coneflowers Echinacea sanguinea on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Beautyberry (Callicarpa americana) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Young leaves of a tree on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Powderpuff (Mimosa strigillosa) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Winecup flower (Callirhoe) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Milkcap (Lactarius) mushrooms on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Young leaves of flameleaf sumac on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Pigeon wings (Clitoria mariana) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Common ragweed (Ambrosia artemisiifolia) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Canada wildrye (Elymus canadensis)(?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Leaves of Partridge pea (Cassia fasciculata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Pigeon wings (Clitoria mariana) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Leaves of partridge pea (Cassia fasciculata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Climbing fern (Lygodium japonicum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Shoot of partridge pea (Cassia fasciculata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Pink flower of winecup (Callirhoe) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Colombian waxweed (Cuphea carthagenensis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
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