 Ruffled petal lobes of yellow flower of fringed puccoon (Narrowleaf gromwell, Lithospermum incisum) in Old Baylor Park. Independence, Texas, March 29, 2008
 Ruffled petal lobes of yellow flower of fringed puccoon (Lithospermum incisum) in Old Baylor Park. Independence, Texas, January 31, 2009
 Leaf of poison ivy in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Young leaves of oak 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
 Gold dust lichen (Chrysothrix xanthina) 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
 Violet flowers of spiderwort (Tradescantia gigantea(?)) 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
 View of Colorado River from Bluff Trail Loop 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
 Pore lichen (Pertusaria) on bark of a juniper branch 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
 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 juniper bark 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 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
 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
 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 medallion lichen Dirinaria confusa with black apothecia on juniper bark 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
 Typical whitening pattern on bark of Ashe juniper with a fungus Robergea albicedrae 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
 White juniper fungus (Robergea albicedrae) on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 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
 Flowers of puccoon (Carolina Gromwell, Lithospermum caroliniense) on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, March 14, 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
 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
 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
 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
 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 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
 Yellow flowers of puccoon (Carolina Gromwell, Lithospermum caroliniense) on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, May 2, 2010
 Seedling of borage family, maybe field gromwell (Lithospermum arvense, Buglossoides arvensis), in Old Baylor Park. Independence, Texas, February 7, 2024
 Blooming cherry like tree in McKinney Falls State Park. Austin, Texas, March 7, 2009
 Buffalo bur (Solanum rostratum) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Palafoxia callosa near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 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
 Mustard flowers in grist mill in McKinney Falls State Park. Austin, Texas, October 26, 2008
 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
 Flowers of Blue curls (Fiddleneck, Phacelia congesta) in McKinney Falls State Park near Austin. Texas, May 10, 2009
 "Porcupine egg" of cocklebur (Xanthium strumarium) near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Rice stink bug nymph (Oebalus pugnax) on bluestem grass in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Tetrameric flower of water-primrose willowherb (Ludwigia) 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
 Onion Creek near Lower McKinney Falls. Austin, Texas, October 26, 2008
 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
 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
 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
 Fairy inkcap mushrooms (Coprinellus disseminatus) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Close-up of devil s cigar fungus (Chorioactis geaster) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Opening egg of devil s cigar fungus (Chorioactis geaster) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Egg stage of devil s cigar fungus (Chorioactis geaster) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Close-up of cramp balls fungus (Daldinia concentrica) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Young stage of devil s cigar fungus (Chorioactis geaster) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Opened body of devil s cigar fungus (Chorioactis geaster) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Half-opened devil s cigar fungus (Chorioactis geaster) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Cramp balls fungus (Daldinia concentrica) on a log of a hardwood tree on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Devil s cigar fungus (Chorioactis geaster) near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Black bodies of cramp balls fungus (Daldinia concentrica) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Broken bodies of cramp balls fungus (Daldinia concentrica) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Devil s cigar fungus (Chorioactis geaster) on rotting wood on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Side view of devil s cigar fungus (Chorioactis geaster) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Old cedar elm stump with devil s cigar fungus (Chorioactis geaster) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Devil s cigar fungus (Chorioactis geaster) emitting spores on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Upper view of devil s cigar fungus (Chorioactis geaster) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Texas aster (Aster texanus) near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) near Umm Bab in south-western Qatar, February 21, 2014
 Close-up of velvety brown egg of devil s cigar fungus (Chorioactis geaster) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Silver-white and black texture of fungi on rotting cedar elm wood on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Malformed devil s cigar fungus (Chorioactis geaster) on a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Flowers of Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) near Umm Bab in south-western Qatar, February 26, 2016
 Opening stage of devil s cigar fungus (Chorioactis geaster) near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Brown egg of devil s cigar fungus (Chorioactis geaster) in litter near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Velvety brown egg of devil s cigar fungus (Chorioactis geaster) near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Splitting body of devil s cigar fungus (Chorioactis geaster) near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Taking pictures of devil s cigar fungus (Chorioactis geaster) around a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Submerged brown egg of devil s cigar fungus (Chorioactis geaster) near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Closed body of devil s cigar fungus (Chorioactis geaster) near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Leathery rays of devil s cigar fungus (Chorioactis geaster) near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Side view of devil s cigar fungus (Chorioactis geaster) near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Recently opened devil s cigar fungus (Chorioactis geaster) near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Side view of half-opened devil s cigar fungus (Chorioactis geaster) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Desert plant Moltkiopsis ciliata (Lithospermum ciliatum, Lithospermum angustifolium, local names halam, Ghabshah) near Umm Bab in south-western Qatar, February 21, 2014
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