 Common sandbur (Cenchrus spinifex) near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Coastal sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Common sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Common sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Coastal sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Sandburs spikelet (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Fruits of green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Common sandbur grass (Cenchrus spinifex) in Old Baylor Park. Independence, Texas, September 3, 2020
 Fruits of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 Common Buckeye butterfly (Junonia coenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Emerging green fruits on a pecan tree near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Green fruits of Chinese jujube (Ziziphus jujuba) near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 Butterfly near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Sagittaria like plant in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Powderpuff (Mimosa strigillosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Sunflower (Helianthus annuus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Beebalm (Monarda punctata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Sunflower (Helianthus annuus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Late blooming Indian paintbrush in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Big rat snake on Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Small lizard on a sandy road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Brown beetle on a thistle flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Engelmann s daisy (Engelmannia pinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Blue passion flower (Passiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Zizotes milkweed (Asclepias oenotheroides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Prickly peas (Opuntia cactus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Some common grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Silver-leaf nightshade (Solanum elaeagnifolium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Emerging Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Emerging rattlebush (Sesbania drummondii) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Alyssum like purple flowers and fruits in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Fruits of magnolia tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 7, 2008
 Common prairie grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2021
 Fruits of red buckeye (Aesculus pavia) taken from Washington-on-the-Brazos State Historic Site. Washington, Texas, August 5, 2018
 A twig of hackberry tree with fruits in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Floating primrose-willow (Ludwigia peploides) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Crab spider on a thistle Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Bull nettle (mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Small matweed (Guilleminea densa) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Some Agaricus mushroom in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Dissected Agaricus mushroom in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Common red corn poppy (Papaver rhoeas) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Common witchgrass (Panicum capillare)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Common sunflower (Helianthus annuus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Common Buckeye butterfly (Junonia coenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Common sunflower (Helianthus annuus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 8, 2012
 Common Buckeye butterfly (Junonia coenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010
 Flower of a common prairie grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2021
 Common Buckeye butterfly (Junonia coenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Common dandelion and bluets on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Underside of a chanterelle mushroom Cantharellus quercophilus in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Young chanterelle mushrooms Cantharellus quercophilus in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Caps of chanterelle mushrooms Cantharellus quercophilus in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Fruits bull nettle (Cnidoscolus texanus) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Flowers of floating primrose-willow (Ludwigia peploides) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Veined underside of chanterelle mushrooms Cantharellus quercophilus in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Mature chanterelle mushrooms Cantharellus quercophilus among dry oak leaves in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Cross section of chanterelle mushrooms Cantharellus quercophilus in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Underside texture of a chanterelle mushroom Cantharellus quercophilus in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Common Gymnopus mushrooms on the edge of a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Flower of common sunflower (Helianthus annuus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Common Buckeye butterfly (Junonia coenia) on beebalm in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Common Buckeye butterfly (Junonia coenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 9, 2010
 Caps of Pleurotaceae or may be Entoloma mushrooms on a vine of mustang grape in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Chanterelle mushrooms Cantharellus quercophilus among dry leaves under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Masses of chanterelle mushrooms Cantharellus quercophilus under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Fruits of Hedge Parsley (Torilis arvensis) coated in prickles in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Small matweed (Guilleminea densa, Amaranthaceae) on Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Chanterelle mushrooms Cantharellus quercophilus with cross section under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Seed head of common dandelion (Taraxacum officinale) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Common Gymnopus mushrooms on a side of a sandy path in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Common button lichen (Buellia stillingiana) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Seed head of common dandelion (Taraxanum officinale) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Hackberry(?) fruits and remains of insects in animal dropping near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Side view of chanterelle mushrooms Cantharellus quercophilus among dry leaves under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Head of prionid longhorned beetle (hardwood stump borer, Mallodon dasystomus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Common red corn poppy (Papaver rhoeas) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Fluffy seed head common dandelion (Taraxacum officinale) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Cluster of common Gymnopus mushrooms on a side of a sandy path in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of common brown grass Gymnopus mushrooms, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Common Button Lichen (Buellia stillingiana) on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Common button lichen (Buellia stillingiana) on hackberry(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Brown caps of common Gymnopus mushrooms on a side of a sandy path in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Common red corn poppy (Papaver rhoeas) in bloom on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Spores of common brown grass Gymnopus mushrooms under a microscope, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Flower of common red corn poppy (Papaver rhoeas) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Gills of common fieldcap mushrooms (Agrocybe pediades) in prairie on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Spores of common brown grass Gymnopus mushrooms (stacked image), collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Common button lichen (Buellia stillingiana) (black) together with Lecanora on hackberry(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Common fieldcap mushrooms (Agrocybe pediades) in prairie on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Upper view of common red corn poppy (Papaver rhoeas) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Common red corn poppy (Papaver rhoeas) with black spots on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Close-up of a flower of common red corn poppy (Papaver rhoeas) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Prionid longhorned beetle (hardwood stump borer, Mallodon dasystomus, family Cerambycidae, subfamily Prioninae) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Underside of common fieldcap mushrooms (Agrocybe pediades) in prairie on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Close-up of a dark violet cap of young common Gymnopus mushroom on a side of a sandy path in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
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