 Unopened flower of Purple gerardia (prairie agalinis, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 24, 2012
 Purple gerardia (prairie agalinis, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 24, 2012
 Purple gerardia (prairie agalinis, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 12, 2008
 Purple gerardia (prairie agalinis, Agalinis purpurea) in Lick Creek Park. College Station, Texas, October 1, 2019
 Purple gerardia (prairie agalinis, Agalinis purpurea) on Moore s Hill Outcrop at FM Road 3090 near Navasota. Texas, September 30, 2013
 Purple gerardia (prairie agalinis, Agalinis purpurea) on roadside of Road 259, in Port Sullivan. West from Hearne, Texas, September 20, 2008
 Purple gerardia (prairie agalinis, Agalinis purpurea) Lake Bryan Park. Bryan, Texas, September 30, 2013
 Purple gerardia (prairie agalinis, Agalinis purpurea) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Back lit flowers of purple gerardia (prairie agalinis, Agalinis purpurea) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Purple gerardia (prairie agalinis, Agalinis purpurea) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 Purple gerardia (false foxglove, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 9, 2021
 Purple gerardia (false foxglove, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 13, 2023
 Flower of purple gerardia (false foxglove, Agalinis purpurea) on a trail spur near Yaupon Trail in Lick Creek Park. College Station, Texas, September 23, 2008
 Buckeye caterpillar on purple gerardia (false foxglove, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 9, 2021
 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
 Purple gerardia (false foxglove, Agalinis purpurea) on a trail spur near Yaupon Trail in Lick Creek Park. College Station, Texas, September 23, 2008
 Close up of a flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Purple gerardia (false foxglove, Agalinis purpurea(?)) on roadside in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Close up of purple gerardia (false foxglove, Agalinis purpurea) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Closed flower of purple gerardia (false foxglove, Agalinis purpurea(?)) in Lake Bryan Park. Bryan, Texas, August 26, 2012
 Purple gerardia (false foxglove, Agalinis purpurea) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 21, 2021
 Flowers of purple gerardia (false foxglove, Agalinis purpurea) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 21, 2021
 Back lit flowers of purple gerardia (false foxglove, Agalinis purpurea) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 21, 2021
 Flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Flower of purple gerardia (false foxglove, Agalinis purpurea) with dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Opening flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Damselfly on a flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Purple gerardia (false foxglove, Agalinis purpurea) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Purple gerardia (false foxglove, Agalinis purpurea) in bloom in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Flowers of purple gerardia (false foxglove, Agalinis purpurea) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Honey bee on purple gerardia (false foxglove, Agalinis purpurea) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Back lit flowers of purple gerardia (false foxglove, Agalinis purpurea) in Lake Bryan Park. Bryan, Texas, October 10, 2012
 Purple gerardia (false foxglove, Agalinis purpurea) 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
 Purple gerardia (false foxglove, Agalinis purpurea) on roadside of Road 259, in Port Sullivan. West from Hearne, Texas, September 20, 2008
 Flower of Purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 18, 2010
 Purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Blooming purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Purple gerardia (false foxglove, Agalinis) 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
 Closed flowers of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Purple gerardia (prairie agalinis) at Lost Pines Trail in Bastrop State Park. Bastrop, Texas, October 5, 2013
 False foxglove (Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 22, 2021
 Buckeye caterpillar eating a fruit of purple gerardia (false foxglove, Agalinis purpurea) on a shore of an island in Lake Bryan Park. Bryan, Texas, October 2, 2009
 Black and orange buckeye caterpillar on purple gerardia (false foxglove, Agalinis purpurea) on a shore of an island in Lake Bryan Park. Bryan, Texas, October 2, 2009
 Back lit flowers of false foxglove (Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 22, 2021
 Prairie Agalinis (Agalinis heterophylla) on roadside on Moore s Hill Outcrop at FM Road 3090 2 miles north-east from Navasota. Texas, September 22, 2019
 Prairie Agalinis (Agalinis heterophylla) near a farm fence near Moore s Hill Outcrop at FM Road 3090 2 miles north-east from Navasota. Texas, September 22, 2019
 Flower of purple gerardia (agalinis) in Watson Rare Native Plant Preserve. Warren, Texas, November 9, 2013
 Purple gerardia (false foxglove, Agalinis) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
 Blooning purple gerardia (false foxglove, Agalinis) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
 Close up of a flower of Navasota False Foxglove (Agalinis navasotensis) near Navasota. Texas, September 23, 2012
 Close up of purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) in Lick Creek Park. College Station, Texas, May 18, 2012
 Purple flower of pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) in Lick Creek Park. College Station, Texas, May 18, 2012
 Flower of purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) in Lick Creek Park. College Station, Texas, May 18, 2012
 Flower of Navasota False Foxglove (Agalinis navasotensis) near Navasota. Texas, September 23, 2012
 Back lit flower of Navasota False Foxglove (Agalinis navasotensis) near Navasota. Texas, September 23, 2012
 Side view of a flower of Navasota False Foxglove (Agalinis navasotensis) near Navasota. Texas, September 23, 2012
 Purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) in Lick Creek Park. College Station, Texas, May 18, 2012
 Close up of flower of plateau false foxglove (Agalinis edwardsiana) in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Flower of purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) in Lick Creek Park. College Station, Texas, June 8, 2010
 Back-lit flower of purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) in Lick Creek Park. College Station, Texas, June 8, 2010
 Close up of Navasota false foxglove (Agalinis navasotensis) near Navasota. Texas, September 22, 2019
 Navasota False Foxglove (Agalinis navasotensis) near Navasota. Texas, September 23, 2012
 Close up of coreopsis flower in Lick Creek Park. College Station, Texas, April 25, 2012
 Close up of tradescantia flower in Lick Creek Park. College Station, Texas, June 6, 2012
 Purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) in Lick Creek Park. College Station, Texas, June 8, 2010
 Close up of a flower of Potato-weed (solanum) in Lick Creek Park. College Station, Texas, July 7, 2012
 Close up of a thistle (Cirsium engelmannii) flower bud in Lick Creek Park. College Station, Texas, June 10, 2012
 Close up of a flower of Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, June 14, 2012
 Close up of passion flower (Passiflora foetida) in Lick Creek Park. College Station, Texas, June 22, 2012
 Close up of a flower of thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 22, 2012
 Flower of plateau false foxglove (Agalinis edwardsiana) in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, July 3, 2021
 Prairie in Lick Creek Park. College Station, Texas, May 7, 2012
 Green lynx spider on purple passion flower (passiflora) in Lick Creek Park. College Station, Texas, September 23, 2009
 Freeze on prairie in Lick Creek Park. College Station, Texas, January 3, 2012
 Prairie near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Prairie in fog on Post Oak Trail in Lick Creek Park. College Station, Texas, October 23, 2012
 Tiny purple flower of Violet wood sorrel (shamrock, Oxalis) on Deer Run Trail in Lick Creek Park. College Station, Texas, September 30, 2008
 Close-up of passion flower (Passiflora foetida) in Lick Creek Park. College Station, Texas, September 9, 2021
 Sunrise over prairie on Post Oak Trail in Lick Creek Park. College Station, Texas, October 23, 2012
 Flowers along opening near Rock Prairie Road in Lick Creek Park. College Station, Texas, May 18, 2012
 Close-up of cardinal flower (Lobelia cardinalis) near Alum Creek in Lick Creek Park. College Station, Texas, September 22, 2021
 Close-up of passion flower (passiflora, maypop) on Deer Run Trail in Lick Creek Park. College Station, Texas, September 4, 2008
 Fruits of green passion flower (Passiflora lutea) in Lick Creek Park. College Station, Texas, September 16, 2012
 Prairie tallgrass (bushy bluestem, Andropogon) in morning dew on Post Oak Trail in Lick Creek Park. College Station, Texas, October 23, 2012
 Navasota False Foxglove (Agalinis navasotensis) near Navasota. Texas, September 18, 2010
 Navasota false foxglove (Agalinis navasotensis) with a bee near Navasota. Texas, September 22, 2019
 Navasota false foxglove (Agalinis navasotensis) near Navasota. Texas, September 22, 2019
 Navasota false foxglove (Agalinis navasotensis) on grassy slope near Navasota. Texas, September 22, 2019
 Navasota false foxglove (Agalinis navasotensis) with filiform leaves near Navasota. Texas, September 22, 2019
 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
 Navasota false foxglove (Agalinis navasotensis) with long and slender leaves near Navasota. Texas, September 22, 2019
 Prairie Gaillardia (Gaillardia aestivalis) flower in Lick Creek Park, on Deer Run Trail. College Station, Texas, May 3, 2008
 Close up of a purple shoot of peppervine in Lick Creek Park. College Station, Texas, July 22, 2014
 Tiny blue flower of Lance-leaved water-willow (Justicia ovata var. lanceolata) in Lick Creek Park. College Station, Texas, September 16, 2012
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