 Winter rosette of leaves similar to tansy mustard (Descurainia pinnata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Some black and greenish scaly lichen on sandstone rocks in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Tansy mustard (Descurainia pinnata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Close-up of some black and greenish scaly lichen on sandstone rocks in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Orange Caloplaca lichen on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Details of Caloplaca lichen on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Caloplaca and a lichen Endocarpon pusillum on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Small yellow flowers of a plant of tansy mustard (Descurainia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Pepper-like lichen Sarcogyne regularis(?) on a sandstone rock in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Caloplaca together with a black lichen Endocarpon pusillum on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Cap of polypore mushrooms Gloeophyllum striatum or may be Trametes acuta on dark background in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Gills of polypore mushrooms Gloeophyllum striatum or may be Trametes acuta on dark background in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Rosette of leaves of India mustard (Brassica juncea) or may be Rapistrum rugosum in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Sandstone rock with Caloplaca and Endocarpon pusillum lichens in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Pepper-like lichen Sarcogyne regularis(?) with black cyanobacteria on sandstone in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Basal leaves of India mustard (Brassica juncea) or may be Rapistrum rugosum in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Blooming giant mustard (bastard cabbage, Rapistrum rugosum) on a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 Rosette of leaves of India mustard (Brassica juncea) or may be Rapistrum rugosum in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Dried scaly stippled lichen (Endocarpon pusillum) with moss on sandstone rocks in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Scaly stippled lichen (Endocarpon pusillum) on a thin layer of soil over exposed sandstone rocks in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Succulent purple winter rosette of leaves of annual bastard cabbage (Rapistrum rugosum) or may be India mustard (Brassica juncea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
 Dirinaria(?) lichen on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Small Dirinaria lichen in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Dirinaria lichen with apothecia in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Dark crust of scaly stippled lichen (Endocarpon pusillum) on a thin layer of soil over exposed limestone rocks overgrown by prickly pears in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Lichen Lecanora louisianae(?) on bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Fringe lichen (Heterodermia) on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Medallion lichen (Dirinaria confusa) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Ruffle lichen Parmotrema submarginale on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Fringe lichen (Heterodermia) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Medallion lichen (Dirinaria confusa) on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Powdery medallion lichen (Dirinaria applanata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Saucer lichen Ochrolechia pallescens on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Fringe lichen (Heterodermia) on a small tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Close up of medallion lichen (Dirinaria confusa) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Medallion lichen (Dirinaria confusa) on Liberty Oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Sunken bloodspot lichen (Haematomma persoonii) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Black apothecia of medallion lichen (Dirinaria confusa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Close up of medallion lichen (Dirinaria confusa) on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Lichen Lecanora louisianae(?) on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Close up of ruffle lichen Parmotrema submarginale on an oak branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Medallion lichen (Dirinaria confusa) with black apothecia in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Purple Alyssum like flowers of mustard family on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Tuft of slender orange bush lichen (Teloschistes exilis) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Close up of fringe lichen (Heterodermia) on small cedar elm tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Apothecia of slender orange bush lichen (Teloschistes exilis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Perforated ruffle lichen (Parmotrema perforatum) on a fallen oak twig in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Smooth shadow-crust lichen (Hyperphyscia syncolla) on a hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Close up of fringe lichen (Heterodermia) on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 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
 Firedot lichen (Caloplaca) on stones for road erosion control in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Leaves of nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Shoots of giant mustard (bastard cabbage, Rapistrum rugosum)(?) in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Dry leaves of giant mustard (bastard cabbage, Rapistrum rugosum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2012
 Leaves of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Brittlestem mushrooms (Psathyrella)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Slender orange bush lichen (Teloschistes exilis) on a thin oak branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Orange teeth corticioid fungus on an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Hairy leaves of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Brown Tomentella fungus on a hardwood log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Winter rosette of Engelmann daisy in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Seedlings and some moss on sandy soil in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Basal leaves of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Leaves of snout-bean (Rhynchosia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Thorny leaves of some thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Dark caterpillars in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Slender orange bush lichen (Teloschistes exilis) on a small oak in semiopen area in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 White fringe lichen (Heterodermia albicans) (or may be H. japonica, H. casarettiana) on hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Olive patch of smooth shadow-crust lichen (Hyperphyscia syncolla) on a hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Shoot of Virginia creeper vine on a tree covered by bark lichens in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
 Hairy rosette of leaves of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Close-up of brown Tomentella fungus on a hardwood log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Texture of brown Tomentella fungus on a hardwood log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Hairy basal leaves of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Texture of some corticioid fungus on a hardwood log (may be elm or hackberry) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Underside of mushrooms Pluteus petasatus on mulch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Leaves of prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Close-up of a seedling and some moss on sandy soil in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Purple leaves of sow thistle (Sonchus oleraceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Basal leaves of fleabane daisy (Erigeron)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Spores (in KOH) of a brittlestem mushroom (Psathyrella)(?) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Spores (in KOH) of a soft Hypoxylon fungus collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Thorny rosette of leaves of some thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 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
 Tuft of slender orange bush lichen (Teloschistes exilis) on an oak in semi-open area in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Basal leaves of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Spores of orange teeth corticioid fungus from an oak log collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Spores (in KOH) of a rosegill mushroom (Volvopluteus gloiocephalus) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Relatively soft Hypoxylon fungus on wood of broadleaf tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Hairy leaves of stemless spiderwort (Tradescantia subacaulis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Cross section of mushrooms Pluteus petasatus on mulch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Cross section of rosegill mushroom (Volvopluteus gloiocephalus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Purplish pads of a prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Pattern of winter rosette of leaves of some thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Spores of brown Tomentella fungus from a hardwood log, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Dark colored Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
 Close-up of relatively soft Hypoxylon fungus on wood of broadleaf tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Rosette of leaves of baby blue eyes (Nemophila phacelioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
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