 Leaves of crane s bill (Geranium carolinianum) with red galls caused by wart disease (false rust) by fungus Synchytrium geranii (Chytrids) taken from Bee Creek Park. College Station, Texas, March 23, 2021
 Close-up of wart disease (false rust) caused by fungus Synchytrium geranii (Chytrids) on crane s bill (Geranium carolinianum) taken from Bee Creek Park. College Station, Texas, March 23, 2021
 Plant of crane s bill (Geranium carolinianum) with wart disease (false rust) caused by fungus Synchytrium geranii (Chytrids) taken from Bee Creek Park. College Station, Texas, March 23, 2021
 Wart disease (false rust) caused by fungus Synchytrium geranii (Chytrids) on crane s bill (Geranium carolinianum) near the creek in Bee Creek Park. College Station, Texas, March 23, 2021
 Wart disease (false rust) caused by fungus Synchytrium geranii (Chytrids) on crane s bill (Geranium carolinianum) in Lick Creek Park. College Station, Texas, March 30, 2022
 Wart disease (false rust) caused by fungus Synchytrium geranii (Chytrids) on crane s bill (Geranium carolinianum) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, March 27, 2021
 Wart disease (false rust) caused by fungus Synchytrium geranii (Chytrids) on crane s bill (Geranium carolinianum) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Wart disease caused by fungus Synchytrium geranii (Chytrids) on leaves of crane s bill (Geranium carolinianum) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, March 27, 2021
 Malformed leaves of crane s bill (Geranium carolinianum) with fungus Synchytrium geranii (Chytrids) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, March 27, 2021
 Gall on roots of crane s bill (Geranium carolinianum) caused by fungus Synchytrium geranii (Chytrids) taken from Bee Creek Park. College Station, Texas, March 23, 2021
 Leaf of crane s bill (Geranium carolinianum) with a wart caused by fungus Synchytrium geranii on a lawn in Hensel Park. College Station, Texas, March 25, 2021
 Close-up of warts caused by fungus Synchytrium geranii (Chytrids) on crane s bill (Geranium carolinianum) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, March 27, 2021
 Leaves of crane s bill (Geranium carolinianum) with fungus Synchytrium geranii (Chytrids) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, March 27, 2021
 Red warts on leaves of crane s bill (Geranium carolinianum) with fungus Synchytrium geranii (Chytrids) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, March 27, 2021
 Leaves of crane s bill (Geranium carolinianum) with fungus Synchytrium geranii on black background in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, March 27, 2021
 Crane s bill (Geranium carolinianum) with fungus Synchytrium geranii on dark background in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, March 27, 2021
 Fungus Synchytrium geranii (Chytrids) from crane s bill under a microscope collected in Lick Creek Park. College Station, Texas, March 30, 2022
 Leaves of crane s bill (Geranium carolinianum) with white web-like downy mildew fungus Plasmopara geranii or may be P. pusilla on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Spores (in KOH, x40 objective) of downy mildew fungus Plasmopara geranii or may be P. pusilla from a leaf of crane s bill (Geranium carolinianum), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Underside of a leaf of crane s bill (Geranium carolinianum) with white web-like downy mildew fungus Plasmopara geranii or may be P. pusilla on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Conidiophores and conidia of downy mildew fungus Plasmopara geranii or may be P. pusilla from a leaf of crane s bill (Geranium carolinianum), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Conidiophores and round conidia of downy mildew fungus Plasmopara geranii or may be P. pusilla from a leaf of crane s bill (Geranium carolinianum), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Conidiophores and conidia (in lugol, x40 objective) of downy mildew fungus Plasmopara geranii or may be P. pusilla from a leaf of crane s bill (Geranium carolinianum), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Conidiophores (in lugol, x100 objective) of downy mildew fungus Plasmopara geranii or may be P. pusilla from a leaf of crane s bill (Geranium carolinianum), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Conidiophores and conidia (x100 objective) of downy mildew fungus Plasmopara geranii or may be P. pusilla from a leaf of crane s bill (Geranium carolinianum), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Conidiophores and conidia (in lugol, x100 objective) of downy mildew fungus Plasmopara geranii or may be P. pusilla from a leaf of crane s bill (Geranium carolinianum), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Leaves of crane s bill (Geranium carolinianum) in Lick Creek Park. College Station, Texas, February 27, 2023
 Crane s bill (Geranium carolinianum) with orange leaves in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, April 23, 2021
 Downy mildew fungus Plasmopara geranii on leaves of cranesbill (Geranium carolinianum) in Lick Creek Park. College Station, Texas, December 15, 2023
 White mold like fungus Plasmopara geranii on underside of leaves of cranesbill (Geranium carolinianum) in Lick Creek Park. College Station, Texas, December 15, 2023
 Crane s bill (Geranium carolinianum) with fruits in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, April 23, 2021
 Downy mildew fungus Plasmopara geranii on leaves of cranesbill (Geranium carolinianum) on a lawn near Nature Center in Lick Creek Park. College Station, Texas, December 23, 2023
 White mold like fungus Plasmopara geranii on underside of leaves of cranesbill (Geranium carolinianum) on a lawn near Nature Center in Lick Creek Park. College Station, Texas, December 23, 2023
 Red flowers of crane s bill (Geranium carolinianum)(?) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, April 1, 2024
 Flowers of crane s bill (Geranium carolinianum) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, February 1, 2009
 White flowers of crane s bill (Geranium carolinianum) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, April 5, 2008
 White flowers of crane s bill (Geranium carolinianum) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, February 15, 2009
 Crane s bill (Geranium carolinianum) on Palmetto Trail in Jesse H. Jones Park. Humble (Houston area), Texas, April 5, 2009
 Seeds of field geranium (Crane s bill) in Lick Creek Park. College Station, Texas, April 30, 2008
 Downy mildew disease caused by fungus Peronospora viciae on vetch (Vicia) in Bee Creek Park. College Station, Texas, March 4, 2020
 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
 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
 Bubbly frothy white foam caused by slime flux (bacterial wetwood disease) at the base of an oak in Bee Creek Park. College Station, Texas, March 1, 2021
 Basal leaves of stork s bill (Erodium texanum) in Old Baylor Park. Independence, Texas, March 15, 2021
 Red basal leaves of stork s bill (Erodium texanum) in Old Baylor Park. Independence, Texas, March 15, 2021
 Basal leaves of cut-leaved evening primrose (Oenothera laciniata) with rust fungus Puccinia dioicae or may be P. oenotherae in Lick Creek Park. College Station, Texas, April 18, 2022
 Leaves of yaupon holly (Ilex vomitoria) with black spots caused by rust like fungus in Hensel Park. College Station, Texas, June 5, 2019
 Seeds of field geranium (Crane s bill) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 1, 2009
 Leaves of yaupon holly (Ilex vomitoria) with black spots caused by rust like fungus on black background in Hensel Park. College Station, Texas, June 5, 2019
 Basal rosette with red leaves of stork s bill (bull filaree, Erodium texanum) in Old Baylor Park. Independence, Texas, March 2, 2020
 Black blotches on leaves of persimmon (Diospyros virginiana) caused by Cercospora leaf spot fungus Pseudocercospora diospyricola in Lick Creek Park. College Station, Texas, August 12, 2021
 Powdery mint mildew caused by fungus Neoerysiphe galeopsidis on henbit leaves in TAMU Holistic Garden in Texas A and M University. College Station, Texas, March 27, 2021
 Tiny bright orange cups of aecia on the underside of leaves of mayapple caused by mayapple rust fungus Allodus podophylli(Puccinia podophylli) on underside of leaves of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019
 Basal leaf of stemless evening primrose (Oenothera triloba) with purple spots of spring dieback caused by a fungus Septoria oenotherae near Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, March 10, 2021
 Underside of leaves of wood sorrel Oxalis stricta with rust fungus Puccinia oxalidis in Bee Creek Park. College Station, Texas, March 29, 2022
 Orange berry rust fungus Gymnoconia nitens on young leaves of blackberry in Lick Creek Park. College Station, Texas, March 14, 2022
 Cranesbill (Geranium carolinianum) with seeds in Lick Creek Park. College Station, Texas, April 27, 2010
 Seeds of cranesbill (Geranium carolinianum) in Lick Creek Park. College Station, Texas, April 27, 2010
 Basal leaves of gayfeather (Liatris) with orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on basal leaves of gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 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
 Close-up of orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on basal leaves of gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Underside of basal leaves of gayfeather (Liatris) with orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Sporangiophores of downy mildew fungus Plasmopara geranii from leaves of cranesbill at low magnification, collected in Lick Creek Park. College Station, Texas, December 15, 2023
 Leaves of May apple (Podophyllum peltatum) with yellow spots caused by 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, March 23, 2020
 Leaves of Carolina bristlemallow (Modiola caroliniana) with blister-like pustules of rust fungus Puccinia modiolae taken from Lick Creek Park. College Station, Texas, March 7, 2022
 Sporangiophores and conidia of downy mildew fungus Plasmopara geranii from leaves of cranesbill at low magnification, collected in Lick Creek Park. College Station, Texas, December 15, 2023
 Orange-brown bumps on underside of leaf of Carolina bristlemallow (Modiola caroliniana) caused by rust fungus Puccinia modiolae, taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019
 Branches of sporangiophores with obtuse tips and oospores of downy mildew fungus Plasmopara geranii from leaves of cranesbill, collected in Lick Creek Park. College Station, Texas, December 15, 2023
 Leaves of spring scorpion grass (Myosotis macrosperma, Boraginaceae) with rust fungus Puccinia eatoniae var. myosotidis(?) near Racoon Run Trail in Lick Creek Park. College Station, Texas, March 7, 2022
 Basal rosette of leaves of some plant in Lick Creek Park. College Station, Texas, March 15, 2020
 Basal leaves of plantain (Plantago) in Lick Creek Park. College Station, Texas, March 14, 2022
 Basal leaves of stork s bill (Erodium texanum) in Old Baylor Park. Independence, Texas, February 7, 2024
 Basal leaves of white avens (Geum canadense) in Lick Creek Park. College Station, Texas, February 1, 2021
 Leaves of yellow oxalis (Oxalis stricta) with sorrel rust fungus (Puccinia oxalidis) in wet area on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 26, 2019
 Blister-like pustules on underside and yellow-orange sunken spots on upper leaf surface of Carolina bristlemallow (Modiola caroliniana) caused by rust fungus Puccinia modiolae, taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019
 Winter rosette of basal leaves of plantain (Plantago) in Lick Creek Park. College Station, Texas, March 14, 2022
 Winter rosette of basal leaves of white avens (Geum canadense) in Lick Creek Park. College Station, Texas, February 1, 2021
 Basal rosette of leaves of some dandelion-like(?) plant on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 15, 2020
 Leaves of curly dock (Rumex crispus) with reddish purple blotches caused by fungus Ramularia rubella in Bee Creek Park. College Station, Texas, February 24, 2023
 Basal rosette of leaves of evening primrose (Oenothera)(?) on a recent cutting in Lick Creek Park. College Station, Texas, March 15, 2020
 Orange spots on leaves of mountain ash caused by mountain ash-juniper rust fungus (Gymnosporangium cornutum) in Petiayarvi, north from Saint Petersburg. Russia, July 17, 2015
 Black blotches on leaves of persimmon caused by Cercospora leaf spot fungus Pseudocercospora diospyricola under a microscope, collected in Bee Creek Park. College Station, Texas, August 31, 2023
 Basal rosette of leaves of squaw-weed (Senecio ampullaceus) on a recent cutting in Lick Creek Park. College Station, Texas, March 15, 2020
 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
 Wilted basal leaves of hairy elephant foot with pine needle rust fungus (Coleosporium elephantopi, Coleosporium elephantopodis) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 27, 2018
 Needle rust fungus (Coleosporium elephantopi, Coleosporium elephantopodis) on basal leaves of elephant foot plant (elephantopus tomentosus(?)) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 21, 2018
 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 May apple (mandrake, Podophyllum peltatum) with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 5, 2018
 Pine needle rust fungus (Coleosporium elephantopi, Coleosporium elephantopodis) on basal leaves of hairy elephant foot (Elephantopus tomentosus(?)) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 27, 2018
 Leaves of May apple (Podophyllum peltatum) with yellow spots caused by 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 23, 2022
 Pine seedling with needle rust caused by fungus Coleosporium asterum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Basal leaves of yellow thistle (Bull thistle, Cirsium horridulum) on a pipeline clearing in Lick Creek Park. College Station, Texas, February 25, 2021
 Yellow leaves of frostweed (Verbesina virginica) with a rust fungus Coleosporium viguierae(?) on a pipeline right of way in Lick Creek Park. College Station, Texas, August 19, 2022
 Frostweed (Verbesina virginica) with yellow and brown leaves with a rust fungus Coleosporium viguierae(?) on a pipeline right of way in Lick Creek Park. College Station, Texas, August 19, 2022
 Rust fungus Coleosporium steviae(?) on leaves of late-flowering boneset (Eupatorium serotinum) on a pipeline clearing in Lick Creek Park. College Station, Texas, May 15, 2022
 Orange Berry Rust fungus Gymnoconia nitens on blackberry, with purple spots to the right caused by asexual stage of Helicobasidium purpureum (violet root rot, Tuberculina persicina), in Falls on the Brazos Park. Marlin, Texas, March 16, 2018
 Aecial pustules of a needle rust caused by fungus Coleosporium asterum on pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 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
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