 Mating rice stink bugs (Oebalus pugnax) on a sandburs spikelet on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Buffalo bur (Solanum rostratum) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Blooming cherry like tree in McKinney Falls State Park. Austin, Texas, March 7, 2009
 Blue curls (Fiddleneck, Phacelia congesta) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Water speedwell (Veronica anagalis-aquatica) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Flowers of Blue curls (Fiddleneck, Phacelia congesta) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Green false nightshade (Chamaesaracha coronopus) near a parking lot in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Mature seed head of curly dock (Rumex) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Creek and a cypress in McKinney Falls State Park, near Upper falls. Austin, Texas, October 26, 2008
 Indian mallow (Abutilon fruticosa) near a parking of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Texas aster with variegated fritillary(?) butterfly near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Dwarf yellow butterfly (Dainty Sulphur, Nathalis iole) on Texas aster near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Stink bug nymph (Acrosternum hilare) on a backpack on Chinquapin Trail in Huntsville State Park. Texas, October 10, 2009
 Texas aster (Aster texanus) near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Palafoxia callosa near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Mustard flowers in grist mill in McKinney Falls State Park. Austin, Texas, October 26, 2008
 "Porcupine egg" of cocklebur (Xanthium strumarium) near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Christmas cholla cactus (Tasajillo, Opuntia leptocaulis) on Homestead Trail in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Tetrameric flower of water-primrose willowherb (Ludwigia) near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Small green flowers of pigeon-berry (Rivina humilis, rouge-plant) in a forest near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Small red berries of pigeon-berry (Rivina humilis, rouge-plant, baby peppers) in a forest near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Onion Creek near Lower McKinney Falls. Austin, Texas, October 26, 2008
 Stink bug nymph on a seed head of soft golden aster in Lick Creek Park. College Station, Texas, October 29, 2010
 Stink bug nymph (Euschistus) on a seed head of frostweed in Lick Creek Park, on Iron Bridge Trail. College Station, Texas, October 19, 2008
 Stink bug nymph (Thyanta) on a dry receptacle of soft golden aster (Bradburia pilosa, Heterotheca, Chrysopis) on Post Oak Trail in Lick Creek Park. College Station, Texas, November 12, 2008
 Yellow star-grass (woolly stargrass, Hypoxis hirsuta) with a katydid nymph in Lick Creek Park. College Station, Texas, March 27, 2009
 Twin falls in Pedernales Falls State Park, from an overlook. Johnson City, Texas, November 7, 2009
 Young leaves of oak in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Leaf of poison ivy in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Young leaves of Virginia creeper in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Tender leaves of Virginia creeper in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Violet spiderwort (Tradescantia gigantea(?)) flowers in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Gold dust lichen (Chrysothrix xanthina) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Violet flowers of spiderwort (Tradescantia gigantea(?)) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Fringed puccoon (Narrowleaf gromwell, Lithospermum incisum) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Medallion lichen Dirinaria confusa on a juniper tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Pore lichen (Pertusaria) with apothecia on a juniper branch in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 View of Colorado River from Bluff Trail Loop in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Bend of Colorado River from Bluff Trail Loop in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Copper-colored young leaves of Virginia creeper in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Close-up of pore lichen (Pertusaria) on a juniper branch in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Pore lichen (Pertusaria) on bark of a juniper branch in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 White fringe lichen (Heterodermia albicans) on a tree (may be juniper) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Steep descent to Colorado River from Bluff Trail Loop in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Medallion lichen Dirinaria confusa with black apothecia on a juniper tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Whitening pattern of a fungus Robergea albicedrae on bark of Ashe juniper in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Corticioid mushroom Dendrothele nivosa on bark of Eastern red cedar (Juniper) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Medallion lichen Dirinaria confusa with black apothecia on juniper bark in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Herbertia (Prairie nymph) on Horseshoe Lake Loop Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Typical whitening pattern on bark of Ashe juniper with a fungus Robergea albicedrae in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 White juniper fungus (Robergea albicedrae) on bark of Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Dwarf rosette lichen Physcia neogaea on a dry pad of prickly pear cactus (Opuntia) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Close-up of corticioid fungus Dendrothele nivosa on bark of Eastern red cedar (Juniper) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Close-up of medallion lichen Dirinaria confusa with black apothecia on juniper bark in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Dwarf rosette lichen Physcia neogaea on a dry pad of prickly pear cactus in prairie in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Stink bug on rough barnyard grass (wild millet, Echinochloa muricata) in Lick Creek Park. College Station, Texas, August 1, 2021
 White juniper fungus (Robergea albicedrae) on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Grass of bushy bluestem (Andropogon glomeratus) in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Seeds of grass bushy bluestem (Andropogon glomeratus) in Bastrop State Park. Bastrop, Texas, October 13, 2019
 White juniper fungus (Robergea albicedrae) around of a broken branch spot on Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Slender orange-bush lichen (Teloschistes exilis) together with Parmotrema and Physcia on an old pad of prickly pear cactus in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Katydid nymph of yellow star-grass (Hypoxis hirsuta) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 Spikelets of split bluestem grass (feather beardgrass, Andropogon ternarius) in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Fluffy seeds of split bluestem grass (feather beardgrass, Andropogon ternarius) in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Fluffy seeds of split bluestem grass (feather beardgrass, Andropogon ternarius) in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia growing on an exposed flint stone in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 White juniper fungus (Robergea albicedrae) small gray nodules where spores are produced on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Close-up of white juniper fungus (Robergea albicedrae) small gray nodules where spores are produced on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Texture of salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone in open area in a forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone in open area near pine and oak forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Details of salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone in open area in a forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Close-up of salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone in open area in a forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Grasshopper on bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 A spider on little bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Spider on little bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Close-up of stickpins lichen Mycocalicium subtile or may be other Mycocaliciaceae (Mycocalicium, Chaenothecopsis) on a trunk of a juniper tree (Eastern red cedar) on spot where its branch was cut in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Stickpins lichen Mycocalicium subtile or may be other Mycocaliciaceae (Mycocalicium, Chaenothecopsis) on a trunk of a juniper tree (Eastern red cedar) where its branch was cut, around 1.5 meters above ground, in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone on rocky soil in sunny area near a forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Dry little bluestem grass (Schizachyrium scoparium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
 A spider holding a bug on little bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Close-up of a grasshopper on bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Pair of spiders on little bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 A spider with long legs on little bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Back lit little bluestem grass (Schizachyrium scoparium) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 31, 2020
 Seeds of little bluestem grass (Schizachyrium scoparium) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 31, 2020
 Owlfly Ascaloptynx appendiculata on little bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Silver bluestem grass (Bothriochloa laguroides) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 31, 2020
 Seeds of silver bluestem grass (Bothriochloa laguroides) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Hairy seeds of little bluestem grass (Schizachyrium scoparium) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 31, 2020
 Fluffy seeds of silver bluestem grass (Bothriochloa laguroides) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 31, 2020
 Bluestem grass (Andropogon glomeratus) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Brunner s stick mantis (Brunneria borealis) in a meadow of little bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Brunner s stick mantis Brunneria borealis on little bluestem grass at morning at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Maritime bluestem grass (Andropogon tenuispatheus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Grass of maritime bluestem (Andropogon tenuispatheus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Dry maritime bluestem grass (Andropogon tenuispatheus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Head of Brunner s stick mantis Brunneria borealis on little bluestem grass at morning at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Brunner s stick mantis Brunneria borealis in a meadow of little bluestem grass at morning at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Brunner s stick mantis Brunneria borealis on little bluestem grass (Schizachyrium scoparium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
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