 View of Colorado River from Bluff Trail Loop 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
 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
 Copper-colored young leaves of Virginia creeper 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
 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
 Pore lichen (Pertusaria) with apothecia 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
 Corticioid mushroom Dendrothele nivosa on bark of Eastern red cedar (Juniper) 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
 Medallion lichen Dirinaria confusa with black apothecia on juniper bark 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
 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 in prairie 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 (Opuntia) 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
 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
 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
 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
 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
 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
 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
 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
 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
 Gorman Falls (view from a trail) in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Blooming cherry like tree in McKinney Falls State Park. Austin, Texas, March 7, 2009
 Under Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Spicewood Springs in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Mossy travertine formations at the base of Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Christmas cholla cactus (Tasajillo, Opuntia leptocaulis) on Homestead Trail in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Buffalo bur (Solanum rostratum) 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
 Water speedwell (Veronica anagalis-aquatica) 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
 Flowers of Blue curls (Fiddleneck, Phacelia congesta) 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
 Green false nightshade (Chamaesaracha coronopus) near a parking lot in McKinney Falls State Park near Austin. Texas, May 10, 2009
 Fairy inkcap mushrooms (Coprinellus disseminatus) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Rice stink bug nymph (Oebalus pugnax) on bluestem grass 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
 Egg stage 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
 Close-up 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
 Upper view of 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
 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
 Side view of devil s cigar fungus (Chorioactis geaster) 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
 Devil s cigar fungus (Chorioactis geaster) on rotting wood 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
 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
 Old cedar elm stump with devil s cigar fungus (Chorioactis geaster) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Tetrameric flower of water-primrose willowherb (Ludwigia) near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Onion Creek near Lower McKinney Falls. Austin, Texas, October 26, 2008
 Silver-white and black texture of fungi on rotting cedar elm wood on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Close-up of velvety brown egg of devil s cigar fungus (Chorioactis geaster) 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
 Creek and a cypress in McKinney Falls State Park, near Upper falls. Austin, Texas, October 26, 2008
 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
 Submerged brown egg 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
 Closed 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
 Side view of 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
 Opening stage 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
 Central Texas Mycological Society on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Central Texas Mycological Society at a trailhead of Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Mature and young bodies of devil s cigar fungus (Chorioactis geaster) near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Partially split and malformed egg of devil s cigar fungus (Chorioactis geaster) near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Some white mold growing on mature bodies of devil s cigar fungus (Chorioactis geaster)(?) on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Wide opened body of devil s cigar fungus (Chorioactis geaster) near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 Indian mallow (Abutilon fruticosa) near a parking of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Star-like arrangement of leathery rays of devil s cigar fungus (Chorioactis geaster) near a cedar elm stump on Copperfield Nature Trail. Austin, Texas, December 4, 2021
 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
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