 Thorns of Huisache (Acacia farnesiana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Blooming sweet acacia (huisache, Vachellia farnesiana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Gills of polypore mushrooms Gloeophyllum striatum or may be Trametes acuta on a dry fallen branch of a large Huisache tree (Acacia farnesiana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Polypore mushrooms Gloeophyllum striatum or may be Trametes acuta (size of the largest cap 3 cm) on a dry fallen branch of a large Huisache tree (Acacia farnesiana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Bracket polypore mushroom Phellinus badius (Phellinus rimosus group) on a living Huisache tree (Acacia farnesiana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Bracket polypore mushroom Phellinus badius (Fulvifomes b., Phellinus rimosus group) on a branch of a dried Huisache tree (Acacia farnesiana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Polypore mushrooms Gloeophyllum striatum at the end of a dry fallen branch of a large Huisache tree (Acacia farnesiana), covered by black spots that look like some Hypoxylon, near a border of prairie, semi-open area of overgrown prairie, where the prairie starts sloping towards Brazos River in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Huisache (Acacia) trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Lichen Lecanora louisianae(?) on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Phaeophyscia lichen on a large huisache (acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Heterodermia albicans or may be H. casarettiana lichen on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Fringe lichen (Heterodermia albicans(?)) on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Close up of fringe lichen (Heterodermia) on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Close up of Phaeophyscia lichen on a large huisache (acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Ascomycete fungus Propolis farinosa on a dry standing huisache (Acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Dot lichen (Bacidia) on a dry(?) trunk of a bush-like tree of huisache (Acacia minuata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Graphis and other lichens on bark of Huisache(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 White fringe lichen (Heterodermia albicans) on a branch of an old Huisache (acacia) bush in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Medallion lichen (Dirinaria confusa) on a dry(?) trunk of a bush-like tree of huisache (Acacia minuata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Powdered shadow lichen (Phaeophyscia hirsuta) and splitgill mushrooms on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Ascomycete fungus Propolis farinosa embedded in wood of a dry standing huisache (Acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Texture of fringe lichen (Heterodermia) on a dry(?) trunk of a bush-like tree of huisache (Acacia minuata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 White fringe lichen (Heterodermia albicans) and liverwort on a branch of an old Huisache (acacia) bush in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Medallion lichen (Dirinaria confusa) on one of trunks of a bush-like tree of huisache (Acacia minuata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Orange shelf of a polypore mushroom on one of trunks of a bush-like tree of huisache (Acacia minuata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Close up of medallion lichen (Dirinaria confusa) on a dry(?) trunk of a bush-like tree of huisache (Acacia minuata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Small orange shelves of a polypore mushroom on one of trunks of a bush-like tree of huisache (Acacia minuata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Some small orange shelf polypore mushroom on one of trunks of a bush-like tree of huisache (Acacia minuata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Tiny yellow oysterling mushrooms Crepidotus praecipuus(?) in crevices of a dry standing huisache (Acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Close-up of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) on rotting wood of huisache (Acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Underside of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) in crevices of a dry standing huisache (Acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Gills of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) in crevices of a dry standing huisache (Acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Basidia and spores of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) from crevices of a dry standing huisache (Acacia) tree, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Hyphae (in Congo Red) of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) from crevices of a dry standing huisache (Acacia) tree, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Tissues (at low magnification) of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) from crevices of a dry standing huisache (Acacia) tree, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Thorny winter rosette of a thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Side view of bracket mushroom Phellinus badius (Fulvifomes b., Phellinus rimosus group) on a living huisache tree, in prairie, in shade of Yaupon holly bushes, in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Pore surface of bracket mushroom Phellinus badius (Fulvifomes b., Phellinus rimosus group) on a living huisache tree, in prairie, in shade of Yaupon holly bushes, in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Underside of bracket polypore mushroom Phellinus badius (Fulvifomes b., Phellinus rimosus group) on a living huisache tree, in prairie, in shade of Yaupon holly bushes, in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Cracked top of bracket polypore mushroom Phellinus badius (Fulvifomes b., Phellinus rimosus group) on a living huisache tree, in prairie, in shade of Yaupon holly bushes, in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Upper surface with cracks of bracket mushroom Phellinus badius (Fulvifomes b., Phellinus rimosus group) on a living huisache tree, in prairie, in shade of Yaupon holly bushes, in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Details of deep cracks of bracket mushroom Phellinus badius (Fulvifomes b., Phellinus rimosus group) on a living huisache tree, in prairie, in shade of Yaupon holly bushes, in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Thorny rosette of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Pore surface with web of Sporophagomyces(?) fungus of bracket mushroom Phellinus badius (Fulvifomes b., Phellinus rimosus group) on a living huisache tree, in prairie, in shade of Yaupon holly bushes, in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Thorny leaves of a rosette of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Thorny rosette of leaves of a thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Thorny basal leaves of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Thorny leaves of some thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Pattern of a thorny rosette of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Thorny rosette of leaves of some thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Center part of a thorny rosette of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Thorny flowers of musk thistle (Carduus nutans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Polypore mushrooms Trametes villosa on a fallen twig of easten red cedar in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Pore surface of mushrooms Trametes villosa on a fallen twig of easten red cedar in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Caps of polypore mushrooms Trametes villosa on a fallen twig of easten red cedar in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Underside of bracket polypore mushroom Phellinus badius (Phellinus rimosus group) on a living huisache tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2020
 Large pores of polypore mushrooms Trametes villosa on a fallen twig of easten red cedar in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Resupinate form of polypore mushrooms Trametes villosa on a fallen twig of easten red cedar in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Cracked cap surface of bracket polypore mushroom Phellinus badius (Phellinus rimosus group) on a living huisache tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2020
 Phaeophyscia lichen on a drying bush of huisache in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Green patch of Phaeophyscia lichen on an almost dry bush of huisache in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Back lit acacia leaf in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 9, 2012
 Cream white resupinate polypore mushroom on a dry bush of huisache in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Bracket polypore mushroom Phellinus badius (Phellinus rimosus group) on a living huisache tree, in prairie, in shade of Yaupon holly bushes, in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2020
 Close-up of cream white resupinate polypore mushroom on a dry bush of huisache in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) from a dry huisache, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Cream white resupinate polypore mushroom together with splitgill (Schizophyllum commune) on a dry bush of huisache in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Weeds in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Detail of hackberry bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Red seeds in a magnolia cone in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 A twig of hackberry tree with fruits in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Mistletoe twig with white berries in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2010.
 Tiny liverwort on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Lecanora lichen on hackberry(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Goldenrod (Solidago) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Texture of polypore mushrooms Gloeophyllum striatum or may be Trametes acuta on a dry fallen branch of a large Huisache tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Caps of polypore mushrooms Gloeophyllum striatum or may be Trametes acuta on a dry fallen branch of a large Huisache tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Underside of polypore mushrooms Gloeophyllum striatum or may be Trametes acuta on a dry fallen branch of a large Huisache tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Corticioid fungus Hyphodontia on a fallen oak(?) twig in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Warty bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 White heath aster (Symphyotrichum ericoides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Script lichen (Graphis) on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Lichen Dirinaria confusa(?) on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Maritime bluestem grass (Andropogon tenuispatheus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Seeds of giant reed (Arundo donax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Perforated ruffle lichen (Parmotrema perforatum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Sand burrow of harvester ants on a road in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Slender orange bush lichen (Teloschistes exilis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Seeds of maritime bluestem grass (Andropogon tenuispatheus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Giant reed (Arundo donax) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Foxtail millet grass (Setaria italica) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Balloon vine (Cardiospermum halicacabum) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Map-like texture of lichens on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Mexican hat flower (Ratibida columnaris) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Slender orange bush lichen (Teloschistes exilis) on a twig in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Perforated ruffle lichen (Parmotrema perforatum) on a fallen oak twig in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Slender orange bush lichen (Teloschistes exilis) on a twig of an elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
|