 Cut-leaved evening primrose flower (Oenothera laciniata) in Lick Creek Park. College Station, Texas, April 20, 2008
 Flower of cut-leaved evening primrose (Oenothera laciniata) on Post Oak Trail in Lick Creek Park. College Station, Texas, April 12, 2024
 Small yellow flower of evening primrose or Ludwigia(?) on Post Oak Trail in Lick Creek Park. College Station, Texas, April 16, 2010
 Flower of cut-leaved evening primrose (Oenothera laciniata) in dew on Post Oak Trail in Lick Creek Park. College Station, Texas, April 12, 2024
 Tiny yellow flower of Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) in Lick Creek Park. College Station, Texas, April 24, 2009
 Tiny yellow flower of Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) in Lick Creek Park. College Station, Texas, April 11, 2010
 Tiny yellow flower of Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) in Lick Creek Park. College Station, Texas, April 11, 2022
 Showy evening primrose flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 9, 2008
 Flower of showy evening primrose (Oenothera speciosa) in Wolf Pen Creek Park. College Station, Texas, April 24, 2019
 Yellow flower of narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) at the end of Creagor Lane near Lick Creek Greenway Trail. College Station, Texas, April 2, 2024
 Flower of shrubby water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, June 15, 2008
 Flower of showy evening primrose (Oenothera speciosa) with holes eaten out by bugs in Wolf Pen Creek Park. College Station, Texas, April 24, 2019
 Cut-leaved evening primrose (Oenothera laciniata) in dew in Lick Creek Park. College Station, Texas, April 16, 2009
 Showy evening primrose (Oenothera speciosa) in Lick Creek Park. College Station, Texas, April 18, 2018
 Cut-leaved evening primrose (Oenothera laciniata) in dew in Lick Creek Park. College Station, Texas, April 5, 2018
 Shrubby (narrow-leaf) water-primrose (Ludwigia octovalvis) flower in Lick Creek Park. College Station, Texas, June 8, 2008
 Cut-leaved evening primrose (Oenothera laciniata) in dew on Post Oak Trail in Lick Creek Park. College Station, Texas, April 12, 2024
 Cut-leaved evening primrose (Oenothera laciniata) on Post Oak Trail in Lick Creek Park. College Station, Texas, April 12, 2024
 Cut-leaved evening primrose (Oenothera laciniata) at sunrise on Post Oak Trail in Lick Creek Park. College Station, Texas, April 12, 2024
 Cut-leaved evening primrose (Oenothera laciniata) with rust fungus Puccinia dioicae or may be P. oenotherae in Lick Creek Park. College Station, Texas, April 18, 2022
 Details of aeciospores of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022
 Teleutospores and aeciospores of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022
 Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) on Post Oak Trail in Lick Creek Park. College Station, Texas, April 16, 2010
 Aecial peridium of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022
 Various types of spores of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022
 Spores of different sizes of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022
 Yellow flower of Hooker s evening primrose (Oenothera hookeri) at sunrise in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 29, 2008
 Showy evening primrose (Oenothera speciosa) on Lick Creek Greenway Trail. College Station, Texas, April 23, 2024
 Showy evening primrose (Oenothera speciosa) on Lick Creek Greenway Trail. College Station, Texas, April 2, 2024
 Basal leaves of cut-leaved evening primrose (Oenothera laciniata) with rust fungus Puccinia dioicae or may be P. oenotherae in Lick Creek Park. College Station, Texas, April 18, 2022
 Details of aecial peridium of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022
 Whitish peridial cells of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022
 Underside of leaves of cut-leaved evening primrose (Oenothera laciniata) with rust fungus Puccinia dioicae or may be P. oenotherae in Lick Creek Park. College Station, Texas, April 18, 2022
 Close-up of leaves of cut-leaved evening primrose (Oenothera laciniata) with rust fungus Puccinia dioicae or may be P. oenotherae in Lick Creek Park. College Station, Texas, April 18, 2022
 Whitish peridial cells and aeciospores of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022
 Large yellow flower on a stout erect stem of Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 26, 2008
 Large yellow flower of Hooker s evening primrose (Oenothera hookeri) and thick cylindrical ovaries behind it in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 21, 2008
 Cut-leaved evening primrose flower (Oenothera laciniata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 Some tubular structure of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose collected in Lick Creek Park. College Station, Texas, April 18, 2022
 Evening primrose (Oenothera) in dew in Lick Creek Park. College Station, Texas, August 3, 2014
 White phenotype of showy evening primrose in Bee Creek Park. College Station, Texas, April 18, 2023
 Showy evening primrose (Oenothera speciosa) in Bee Creek Park. College Station, Texas, April 9, 2021
 Showy evening primrose (Oenothera speciosa) in Bee Creek Park. College Station, Texas, April 20, 2021
 Showy evening primrose (Oenothera speciosa) in Bee Creek Park. College Station, Texas, April 12, 2022
 Showy evening primrose (Oenothera speciosa) in Bee Creek Park. College Station, Texas, April 5, 2022
 Aecial peridium showing the whitish peridial cells and aeciospores of rust fungus Puccinia dioicae under microscope at low magnification, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022
 Showy evening primrose (Oenothera speciosa) in Lick Creek Park. College Station, Texas, March 23, 2023
 White phenotype of showy evening primrose in Lick Creek Park. College Station, Texas, June 6, 2012
 Showy evening primrose (Oenothera speciosa) in Lick Creek Park. College Station, Texas, June 9, 2019
 Flowers of showy evening primrose (Oenothera speciosa) in Bee Creek Park. College Station, Texas, April 20, 2021
 Showy evening primrose (Oenothera speciosa) in Wolf Pen Creek Park. College Station, Texas, April 24, 2019
 Evening primrose (Oenothera) on Butterfly Alley (a recent cutting) in Lick Creek Park. College Station, Texas, May 28, 2018
 White phenotype of showy evening primrose (Oenothera speciosa) in Bee Creek Park. College Station, Texas, April 18, 2023
 Venus looking glass flower in Lick Creek Park. College Station, Texas, April 18, 2008
 Flower of Showy evening primrose (Oenothera speciosa) on Park Hudson Trail. College Station, Texas, August 12, 2014
 White phenotype of showy evening primrose (Oenothera speciosa) in Lick Creek Park. College Station, Texas, June 22, 2012
 Pink flowers of showy evening primrose (Oenothera speciosa) in Wolf Pen Creek Park. College Station, Texas, April 24, 2019
 Water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, September 12, 2008
 Phlox flower in dew near Post Oak Trail in Lick Creek Park. College Station, Texas, April 20, 2008
 Basal rosette of leaves of evening primrose (Oenothera)(?) on a recent cutting in Lick Creek Park. College Station, Texas, March 15, 2020
 Phlox flower in dew at sunrise near Post Oak Trail in Lick Creek Park. College Station, Texas, April 20, 2008
 Yellow daisy flower in dew near Post Oak Trail in Lick Creek Park. College Station, Texas, April 20, 2008
 Flower of showy evening primrose (Oenothera speciosa) under power lines near Park Hudson Trail. College Station, Texas, August 6, 2014
 Monadelphous stamens of Winecup flower (Callirhoe involucrata) in Lick Creek Park. College Station, Texas, April 12, 2008
 Flat winter rosette of stemless evening primrose (Oenothera triloba) on Post Oak Trail in Lick Creek Park. College Station, Texas, February 9, 2023
 Yellow flowers of Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) in Lick Creek Park. College Station, Texas, May 20, 2014
 Sepals of shrubby water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, June 15, 2008
 Narrow-leaf water-primrose (Ludwigia octovalvis) with dew in Lick Creek Park. College Station, June 15, 2008
 Chinaberry flower (Melia azedarach) in Lick Creek Park, on Iron Bridge Trail. College Station, Texas, April 18, 2008
 Flower of water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, August 1, 2021
 Flower of water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, August 1, 2021
 Flower of water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, July 15, 2014
 Reddish flat winter rosette of stemless evening primrose (Oenothera triloba) on Post Oak Trail in Lick Creek Park. College Station, Texas, February 9, 2023
 Leaves of evening primrose(?) on a lawn on Lick Creek Greenway Trail. College Station, Texas, February 16, 2024
 Six-spotted flower longhorned beetle (Strangalia sexnotata(?)) on a yellow daisy in Lick Creek Park. College Station, Texas, April 30, 2008
 Texas dandelion flower in Lick Creek Park. College Station, Texas, April 30, 2008
 Flower of shrubby water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, Texas, June 30, 2012
 Cut-leaved evening primrose flower (Oenothera laciniata) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Flower of woolly-white (Hymenopappus) with petaloid white phyllaries (bracts) in Lick Creek Park. College Station, Texas, April 2, 2008
 Wood sorrel and stemless evening primrose (Oenothera triloba) on a lawn on Lick Creek Greenway Trail. College Station, Texas, February 16, 2024
 Winter rosette of stemless evening primrose (Oenothera triloba) on a lawn on Lick Creek Greenway Trail. College Station, Texas, February 16, 2024
 Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 11, 2008
 Yellow flower of rattle-box water primrose (bushy seedbox, Ludwigia alternifolia) in Lick Creek Park. College Station, Texas, June 3, 2018
 Yellow flower of rattle-box water primrose (bushy seedbox, Ludwigia alternifolia) in Lick Creek Park. College Station, Texas, July 28, 2021
 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
 Back-lit evening primrose (Oenothera hookeri) at sunrise in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 29, 2008
 Close-up of yellow flowers of Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 5, 2008
 Large yellow flowers of Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 26, 2008
 Hornworm of Banded Sphinx Moth (Eumorpha fasciatus) with flower buds of water-primrose (Ludwigia) in Lick Creek Park. College Station, Texas, August 12, 2021
 Yellow flower of evening primrose (Oenothera) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 10, 2014
 Showy evening primrose (Oenothera speciosa) in Bee Creek Park. College Station, Texas, March 27, 2020
 Yellow flower of evening primrose (Oenothera hookeri) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, July 7, 2022
 Flower of showy evening primrose (Oenothera speciosa) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, March 27, 2021
 Coreopsis flower in Lick Creek Park. College Station, Texas, May 3, 2008
 Showy evening primrose (Oenothera speciosa) in Wolf Pen Creek Park. College Station, Texas, March 24, 2019
 Showy evening primrose in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Showy evening primrose in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Sneezeweed flower in Lick Creek Park. College Station, Texas, June 8, 2008
 Showy evening primrose in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
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