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3509-07. Gall from underside of a leaf of squaw-weed (Senecio ampullaceus) in Bee Creek Park. College Station, Texas, April 9, 2024Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
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3509-07. Gall from underside of a leaf of squaw-weed (Senecio ampullaceus) in Bee Creek Park. College Station, Texas, April 9, 2024Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Leaves of squaw-weed (Senecio ampullaceus) in Bee Creek Park. College Station, Texas, February 26, 2024  Flower buds of squaw-weed (Senecio ampullaceus) in Anderson Arboretum in Bee Creek Park. College Station, March 7, 2024  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 squaw-weed (Senecio ampullaceus) in Lick Creek Park. College Station, Texas, March 20, 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  Squaw-weed flowers (Senecio ampullaceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024  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  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 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) 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  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  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 (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  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  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  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  Leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024  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  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  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  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  Flower buds of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022  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  Cutleaf groundsel (butterweed, squaw weed, Senecio) in Lick Creek Park. College Station, Texas, April 16, 2009  Squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021  Shoot of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023  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  Flower buds of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 18, 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  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) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 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  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  Leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022  Flower buds of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022  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, January 24, 2021  Rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023  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  Basal rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 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  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  Opening flowers of Squaw-weed (Senecio) taken from a lawn outside of apartments on George Bush Drive. College Station, Texas, March 13, 2009  Close-up of opening flowers of Squaw-weed (Senecio) taken from a lawn outside of apartments on George Bush Drive. College Station, Texas, March 13, 2009  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  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  Blooming squaw-weed (Senecio) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021  Cutleaf groundsel (butterweed, squaw weed, Senecio) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009  Groundsel (butterweed, squaw weed, Senecio) with spider web in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 26, 2010.  Opening flowers of groundsel (butterweed, squaw weed, Senecio) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021  Flower buds of groundsel (butterweed, squaw weed, Senecio) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021  Irregular, wart-like light green to reddish-green bladder galls on leaf surfaces of poison ivy produced by leaf gall mite Aculops toxicophagus in Bee Creek Park. College Station, Texas, June 10, 2019  Gall (Woolly growth) on a dry oak leaf in Wolf Pen Creek Park. College Station, Texas, November 30, 2017  Underside of a leaf with coltsfoot rust gall fungus, Puccinia poarum, in Sosnovka Park. Saint Petersburg, Russia, May 27, 2019  Poison ivy leaf gall mite (irregular, wart-like light green to reddish-green bladder galls) in Bee Creek Park. College Station, Texas, June 10, 2019  Black blotches on underside of the leaf of persimmon (Diospyros virginiana) caused by Cercospora leaf spot fungus Pseudocercospora diospyricola in Bee Creek Park. College Station, Texas, August 31, 2023  Flat-topped goldenrod (Euthamia leptocephala) with leaf tar spots caused by gall midge Asteromyia euthamiae with a symbiotic fungus Botryosphaeria dothidea in Lick Creek Park. College Station, Texas, June 1, 2022  Flat-topped goldenrod (Euthamia leptocephala) with leaf tar spots caused by gall midge Asteromyia euthamiae with a symbiotic fungus Botryosphaeria dothidea in Lick Creek Park. College Station, Texas, September 29, 2022  Underside of a fibrecap (Inocybe) mushroom in Lick Creek Park. College Station, Texas, April 19, 2024  Underside of milkcap mushrooms Lactarius gerardii in Lick Creek Park. College Station, Texas, April 16, 2024  Underside of grisette mushrooms Amanita batonrougensis(?) in Lick Creek Park. College Station, Texas, April 16, 2024  Underside of a horse mushroom (Agaricus arvensis) in Lick Creek Park. College Station, Texas, April 19, 2024  Underside of mushrooms of Amanita lavendula group in Lick Creek Park. College Station, Texas, April 24, 2024  Underside of small rustgill mushrooms (Gymnopilus) with brown caps in Lick Creek Park. College Station, Texas, April 27, 2024  Underside of a small red-cap bolete mushroom Boletus harrisonii(?) on Racoon Run Trail in Lick Creek Park. College Station, Texas, April 29, 2024  Underside of a young sycamore leaf in Lick Creek Park. College Station, Texas, August 2, 2019  Insect eggs(?) on underside of a leaf in Lick Creek Park. College Station, Texas, October 6, 2020  Underside of a large pale violet brittlegill mushrooms (Russula) on a gravel path in Lick Creek Park. College Station, Texas, April 16, 2024  Underside of charcoal burner brittlegill mushrooms (Russula cyanoxantha) on a gravel path in Lick Creek Park. College Station, Texas, April 16, 2024  Gall on a stem of Solidago caused by a parasitic goldenrod gall fly Eurosta solidaginis on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Gall on a stem of Solidago caused by a parasitic goldenrod gall fly Eurosta solidaginis on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Underside of mossy maze polypore mushrooms (Cerrena unicolor) and their underside on a standing dry elm in Lick Creek Park. College Station, Texas, February 2, 2024  Underside of small darker fibrecap (Inocybe) on moss, together with mosscap mushrooms, on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, April 19, 2024  Hairy bittercress weed (Cardamine hirsuta, mustard family) with seeds and tiny white flowers in Lick Creek Park. College Station, Texas, February 23, 2024  Underside of Milky False Truffle mushroom (Zelleromyces cinnabarinus)(?) on Yaupon Loop Trail (no pine trees) in Lick Creek Park. College Station, Texas, April 24, 2024  Tissues and spores of Underside of Milky False Truffle mushroom (Zelleromyces cinnabarinus)(?) from Yaupon Loop Trail, collected 2 days before in Lick Creek Park. College Station, Texas, April 26, 2024  Sugarcane aphids (Melanaphis sacchari) covering underside of a leaf of johnsongrass (Sorghum halepense) in Wolf Pen Creek Park. College Station, Texas, June 21, 2021  Rust fungus Coleosporium steviae(?) on underside of a leaf of late-flowering boneset (Eupatorium serotinum) in Lick Creek Park. College Station, Texas, May 15, 2022  Squaw-weed flowers in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, March 1, 2009  Tissues and spores at low magnification of Underside of Milky False Truffle mushroom (Zelleromyces cinnabarinus)(?) from Yaupon Loop Trail, collected 2 days before in Lick Creek Park. College Station, Texas, April 26, 2024  Yellow flower of narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) at the end of Creagor Lane near Lick Creek Greenway Trail. College Station, Texas, April 2, 2024  Underside of May apple leaf with teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 6, 2024  Close-up of underside of May apple leaf with teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 6, 2024  Underside of a leaf of curly dock (Rumex crispus) with reddish purple blotches caused by fungus Ramularia rubella in Bee Creek Park. College Station, Texas, February 24, 2023  Black Eyed Susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) in Lick Creek Park. College Station, Texas, April 30, 2012 |