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3358-30. 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, 2023Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 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  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  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  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  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  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  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  Spores (in lugol) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) from white spots on leaves of squaw-weed (Senecio ampullaceus) collected on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, February 17, 2024  Spores (in Congo Red) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) from white spots on leaves of squaw-weed (Senecio ampullaceus) collected on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, February 17, 2024  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  Spores and tissues (at low magnification) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) from white spots on leaves of squaw-weed (Senecio ampullaceus) collected on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, February 17, 2024  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  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  Leaves of squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, February 17, 2024  Unfolding leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023  Rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023  Squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023  Basal rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 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) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022  Rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021  Winter rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021  Basal rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021  Blooming squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022  Blooming squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021  Squaw-weed flower (Senecio ampullaceus) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008  Flowers of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019  Flower buds of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024  Flower buds of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022  Shoot of squaw-weed (Senecio ampullaceus) with flower buds in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024  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  Squaw-weed flower (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008  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  Spores (in lugol) of white rust fungus of crucifers (Albugo candida) from tansy mustard, collected near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023  Spores and mycelium (in lugol) of white rust fungus of crucifers (Albugo candida) from tansy mustard, collected near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023  Spores (in lactofenol blue) of white rust fungus of crucifers (Albugo candida) from tansy mustard, collected near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023  Spores (in lugol, with x100 objective) of white rust fungus of crucifers (Albugo candida) from tansy mustard, collected near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023  Spores and mycelium (in lugol, with x40 objective) of white rust fungus of crucifers (Albugo candida) from tansy mustard, collected near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023  Squaw-weed (Senecio ampullaceus) in Lick Creek Park. College Station, Texas, March 20, 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) in Lick Creek Park. College Station, Texas, March 20, 2023  Flower buds of squaw-weed (Senecio ampullaceus) in Lick Creek Park. College Station, Texas, March 20, 2023  Basal rosette of leaves of squaw-weed (Senecio ampullaceus) on a recent cutting in Lick Creek Park. College Station, Texas, March 15, 2020  Unfolding flowers 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) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023  Flower buds 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) in Bee Creek Park. College Station, Texas, February 26, 2024  Gall from underside of a leaf of squaw-weed (Senecio ampullaceus) in Bee Creek Park. College Station, Texas, April 9, 2024  Leaves of squaw-weed (Senecio ampullaceus) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 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  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  Flower buds of squaw-weed (Senecio ampullaceus) in Anderson Arboretum in Bee Creek Park. College Station, March 7, 2024  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  Conidia chain and conidia with fibrosin bodies of white powdery mildew fungus Podosphaera euphorbiae collected in Lick Creek Park. College Station, Texas, April 11, 2022  Squaw-weed flowers (Senecio ampullaceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024  Basal leaves of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021  Shoot of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023  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  Flower buds of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 18, 2021  Spores and conidia of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Spores and conidia of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Spores (conidia?) of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Spores, conidia and chasmothecia(?) of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023  Conidia of white powdery mildew fungus Podosphaera euphorbiae collected in Lick Creek Park. College Station, Texas, April 11, 2022  Spores of white powdery corticioid fungus collected from oak trees in a dried Toad Pond in Bastrop State Park a day before. Texas, January 22, 2023  Spores (soft) of white powdery crust fungus Athelia(?) from pine, collected 2 days before near Caney Creek in Sam Houston National Forest. Texas, January 2, 2023  Spores of white powdery, with stripes corticioid fungus from a fallen hardwood tree, collected a day before in Lick Creek Park. College Station, Texas, January 3, 2023  Spores (under a microscope, in lugol) of white powdery corticioid fungus collected from oak trees in a dried Toad Pond in Bastrop State Park a day before. Texas, January 22, 2023  Spores (in lugol) of white powdery, with stripes corticioid fungus from a fallen hardwood tree, collected a day before in Lick Creek Park. College Station, Texas, January 3, 2023  Various spores of fungi in white grainy substance from Protomyces(?) fungus near ascostromata of fungus Coccoidella scutula from upper surface of leaves of red bay (Persea borbonia) collected a day before in Little Thicket Nature Sanctuary. Texas, March 26, 2023  Spores (in KOH) of white mushrooms Volvopluteus gloiocephalus from a lawn, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 17, 2023  Various cells and spores of fungi near parasitic Ascomycete fungus Coccoidella scutula in white grainy substance from Protomyces(?) fungus from upper surface of leaves of red bay (Persea borbonia) collected a day before in Little Thicket Nature Sanctuary. Texas, March 26, 2023  Details of various cells and spores around parasitic Ascomycete fungus Coccoidella scutula in white grainy substance from Protomyces(?) fungus from upper surface of leaves of red bay (Persea borbonia) collected a day before in Little Thicket Nature Sanctuary. Texas, March 26, 2023  Mycelium and spores of fungi around parasitic Ascomycete fungus Coccoidella scutula in white grainy substance from Protomyces(?) fungus from upper surface of leaves of red bay (Persea borbonia) collected a day before in Little Thicket Nature Sanctuary. Texas, March 26, 2023  Conidia and cleistothecia, or ascomata (round) in KOH solution of white powdery mildew fungus Podosphaera euphorbiae collected on Raccoon Run Trail in Lick Creek Park. College Station, Texas, April 11, 2022  Yellow spores and mycelium (in KOH) of fungi around parasitic Ascomycete fungus Coccoidella scutula in white grainy substance from Protomyces(?) fungus from upper surface of leaves of red bay (Persea borbonia) collected a day before in Little Thicket Nature Sanctuary. Texas, March 26, 2023  Flower buds of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022  Spores of white resupinate polypore mushroom from a fallen hackberry(?) branch, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023  Swelling of a stem of tansy mustard (Descurainia pinnata) caused by white rust fungus of crucifers (Albugo candida) at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023  Conidia and cleistothecia, or ascomata (round) in iodine solution of white powdery mildew fungus Podosphaera euphorbiae collected on Raccoon Run Trail in Lick Creek Park. College Station, Texas, April 11, 2022  Conidia and cleistothecia, or ascomata (round) in iodine solution of white powdery mildew fungus Podosphaera euphorbiae collected on Raccoon Run Trail in Lick Creek Park. College Station, Texas, April 11, 2022  Pattern of various cells and spores of fungi growing together with parasitic Ascomycete fungus Coccoidella scutula in white grainy substance from Protomyces(?) fungus from upper surface of leaves of red bay (Persea borbonia) collected a day before in Little Thicket Nature Sanctuary. Texas, March 26, 2023  Sharp bend of a stem of tansy mustard (Descurainia pinnata) caused by white rust fungus of crucifers (Albugo candida) at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023  Spores (in KOH, spore print orange-brown) of white mushrooms Volvopluteus gloiocephalus from a lawn, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 17, 2023  Conidiophores and conidia (in KOH) from smooth orange stuff covering fungus Hypoxylon rubiginosum, collected in Sam Houston National Forest near Richards. Texas, April 2, 2023  Squaw-weed flowers in Washington-on-the-Brazos Historic Site. Washington, Texas, March 30, 2008  Leaves of woolly-white (Hymenopappus artemisiaefolius) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023  Woolly-white (Hymenopappus) with petaloid white phyllaries (bracts) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023  Spores of white odontoid resupinate fungus Xylodon nespori(?) from underside of a burned a pine log collected a day before in Sam Houston National Forest. Texas, February 5, 2023  Spores (in Melzer) of white corticioid fungus from underside of a fallen water oak or elm collected two days before in Lick Creek Park. College Station, Texas, February 11, 2023  Spores (under more pressure) of white odontoid resupinate fungus Xylodon nespori(?) from underside of a burned a pine log collected a day before in Sam Houston National Forest. Texas, February 5, 2023  Various spores of white powdery mildew fungus Podosphaera euphorbiae collected in Lick Creek Park. College Station, Texas, April 11, 2022  Spores of white powdery mildew fungus Podosphaera euphorbiae collected in Lick Creek Park. College Station, Texas, April 11, 2022  Conidia and chasmothecia(?) of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023 |