 Cucumber weed (Parietaria pensylvanica) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 15, 2023
 Shoots of cucumber weed (Parietaria pensylvanica) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 15, 2023
 Emerging cucumber weed (Parietaria pensylvanica) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 15, 2023
 Upper view of cucumber weed (Parietaria pensylvanica) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 15, 2023
 Cucumber weed (Parietaria pensylvanica) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 16, 2023
 Close-up of cucumber weed (Parietaria pensylvanica) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 16, 2023
 Fresh cucumber weed (Parietaria pensylvanica) among dry oak leaves on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 16, 2023
 Seedlings of cucumber weed (Parietaria pensylvanica) on a path on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Unfolding leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Young plants of cucumber weed (Parietaria pensylvanica) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Basal rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 White bishops weed-like flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Yellow Water-weed (Ludwigia peploides) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010
 Squaw-weed flower (Senecio ampullaceus) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Blooming squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 Squaw-weed flower (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 Flowers of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Blooming squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
 Thorny rosette of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Fresh leaves of nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Close-up of a rosette of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Mushrooms Lepista sordida in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Flowers of sand phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter rosette of sow thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Flower buds of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 Flower buds of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Back lit yellow Water-weed (Ludwigia peploides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Yellow Water-weed (Ludwigia peploides) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Groundsel (butterweed, squaw weed, Senecio) with spider web in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 26, 2010.
 Cutleaf groundsel (butterweed, squaw weed, Senecio) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
 Rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Spiderwort (Tradescantia) with pink flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Rosette of leaves of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Young leaves of purslane (Portulaca)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter rosette of some thistle under trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Thorny leaves of a rosette of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Purple winter rosette of sow thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Pattern of a thorny rosette of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Thorny basal leaves of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Gills of mushrooms Lepista sordida in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Flower buds of groundsel (butterweed, squaw weed, Senecio) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Opening flowers of groundsel (butterweed, squaw weed, Senecio) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Basal rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Winter rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Shoot of squaw-weed (Senecio ampullaceus) with flower buds in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Winter rosette of a plant of aster family in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Some small hairy winter rosette of leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Cross section of mushrooms Lepista sordida in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Close-up of some small basal hairy leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Hairy spiderwort (Tradescantia) with a blue flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Basal leaves of Mexican hat (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Center part of a thorny rosette of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Hairy leaves of plantain(?) on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Rosette of leaves of bluebonnet (Lupinus) on sandy soil in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Mat of some plant with tiny leaves on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter rosette of plantain(?) on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter rosette of Philadelphia fleabane (Erigeron philadelphicus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Close-up of winter rosette of a plant of aster family in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Spores (in lugol) of a mushroom Lepista sordida collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter rosette of leaves of woolly-white (Hymenopappus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Leaf cutter ants carrying fragments of grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Spores (in Melzer) of a mushroom Lepista sordida collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Burrow of leaf cutter ants with fragments of grass around in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter rosette of Engelmann s daisy (Engelmannia peristenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Underside of a leaf of squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Winter rosette of smooth cat s-ear (Hypochaeris glabra)(?) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Mat of some plant with small hairy leaves on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Rosette of leaves of baby blue eyes (Nemophila phacelioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter rosette of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter rosette of stemless evening primrose (Oenothera triloba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter basal leaves of prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Nest of leaf cutter ants carrying fragments of grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Seedling of crane s bill (Geranium carolinianum) on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 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
 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
 Winter rosette of smooth cat s-ear (Hypochaeris glabra)(?) on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter rosette of leaves similar to tansy mustard (Descurainia pinnata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Purplish winter rosette of plantain (Plantago) on sand of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Leaf cutter ants on sandy soil carrying fragments of grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Cockleshell mushrooms Lentinellus castoreus on an oak log in red cedar forest Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2020
 Winter rosette of white prickly poppy (Argemone albiflora) with water drops in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter rosette of crane s bill (Geranium carolinianum) on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Stemless evening primrose (Oenothera triloba) with other plant on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Pinkish winter rosette of smooth cat s-ear (Hypochaeris glabra)(?) on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter rosette of stemless evening primrose (Oenothera triloba) on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Close-up of winter rosette of stemless evening primrose (Oenothera triloba) on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Rosettes of basal leaves of stemless evening primrose (Oenothera triloba) on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Squaw-weed flowers in Washington-on-the-Brazos Historic Site. Washington, Texas, March 30, 2008
 Leaves of squaw-weed (Senecio ampullaceus) with light yellow areas on leaves caused by sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Some dry plant in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 Phlox flowers in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Engelmann s daisy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Shoot of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Shoots of elm tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
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