 Flower buds of squaw-weed (Senecio ampullaceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Flower buds and young leaves of squaw-weed (Senecio ampullaceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Flower buds and young leaves of squaw-weed (Senecio ampullaceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Flower buds of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 18, 2021
 Flower buds of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Unfolding flowers of squaw-weed (Senecio ampullaceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Rosette of hairy leaves of squaw-weed (Senecio ampullaceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Leaves of squaw-weed (Senecio ampullaceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 15, 2023
 Leaves of squaw-weed (Senecio ampullaceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 16, 2023
 Squaw-weed flowers (Senecio ampullaceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Winter rosette of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2022
 Basal leaves of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Leaves of squaw-weed (Senecio ampullaceus) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
 Shoot of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023
 Hairy leaves of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023
 Leaf of squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Underside of a leaf of squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Flower buds of squaw-weed (Senecio ampullaceus) in Lick Creek Park. College Station, Texas, March 20, 2023
 Spores (in KOH) of white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) from a leaf of squaw-weed (Senecio ampullaceus), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Flower buds of squaw-weed (Senecio ampullaceus) in Anderson Arboretum in Bee Creek Park. College Station, March 7, 2024
 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
 Shoot of squaw-weed (Senecio ampullaceus) with flower buds in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Blooming squaw-weed (Senecio) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Squaw-weed (Senecio ampullaceus) in Lick Creek Park. College Station, Texas, March 20, 2023
 Squaw-weed flowers (Senecio ampullaceus) in Lick Creek Park. College Station, Texas, March 20, 2023
 Flower buds of corn salad on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Flower buds of a thistle (Cirsium) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Flower buds of woolly-white (Hymenopappus artemisiaefolius) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Squaw-weed flower (Senecio ampullaceus) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Hairy carpet weed (Glinus lotoides) with flower buds in Flag Pond near Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 16, 2022
 Flower buds of groundsel (butterweed, squaw weed, Senecio) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Squaw-weed flower (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 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
 Basal rosette of leaves of squaw-weed (Senecio ampullaceus) on a recent cutting in Lick Creek Park. College Station, Texas, March 15, 2020
 Close-up of Squaw-weed (Senecio) flower buds taken from a lawn outside of apartments on George Bush Drive. College Station, Texas, March 13, 2009
 Mock Bishop s Weed (Ptilimnium nuttali) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Blooming squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Blooming squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 Flowers of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Underside of leaves of squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) in Lick Creek Park. College Station, Texas, March 20, 2023
 Young leaf and flower buds of mustang grape at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Common groundsel (Senecio vulgaris) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 16, 2023
 Close-up of underside of leaves of squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) in Lick Creek Park. College Station, Texas, March 20, 2023
 Leaves of squaw-weed (Senecio ampullaceus) in Bee Creek Park. College Station, Texas, February 26, 2024
 Basal rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Flower buds of Cutleaf groundsel (butterweed, squaw weed, Senecio) on Deer Run Trail in Lick Creek Park. College Station, Texas, April 29, 2009
 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
 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
 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
 Gall from underside of a leaf of squaw-weed (Senecio ampullaceus) in Bee Creek Park. College Station, Texas, April 9, 2024
 Emerging 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
 Close-up of cucumber weed (Parietaria pensylvanica) 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
 Upper view of cucumber weed (Parietaria pensylvanica) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 15, 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
 Orange coreopsis flower at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Flower of thistle (Cirsium) with a bee at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Flower of thistle (Cirsium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
 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
 Young plants of cucumber weed (Parietaria pensylvanica) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Yellow flower of prickly pear cactus (Opuntia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Flower of Carolina anemone (Anemone caroliniana) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Basal rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Winter rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Back lit flower of Carolina anemone (Anemone caroliniana) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 lambsquarter weed (pigweed, Chenopodium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Flower buds of buttonbush (Cephalanthus occidentalis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
 Flower of dewberry at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Buds of halberdleaf rosemallow (Hibiscus laevis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
 Spores an conidia(?) (in KOH) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?), collected from white powdery stuff with web from underside leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos a day before. Texas, March 7, 2023
 Tissues (in Melzer) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?), collected from white powdery stuff with web from underside leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos a day before. Texas, March 7, 2023
 Flower of Baby blue eyes (Nemophila phacelioides) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Bull nettle (Cnidoscolus texanus) with flower buds at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Small flower heads of tiny-fruited spike-sedge (Eleocharis microcarpa(?)) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Oak skeletons on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Catkins of elm on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Dry oak and vines on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Spores (in Melzer) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) together with conidia of Alternaria leaf spot(?), collected from white powdery stuff with web from underside leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos a day before. Texas, March 7, 2023
 Winecup flower (Callirhoe) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Some green shoot on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Old cattle pond on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Shoot of cypress(?) elm on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Grassy path of a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Shaded path on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Hairy shoot of oak on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Shoots of winged elm on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Wild turkeys on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Shoot of some plant on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Dead oak forest on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
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