 Rust fungus Chrysomyxa pyrolae on shinleaf (Pyrola rotundifolia) in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Rust fungus Chrysomyxa pyrolae on a leaf of shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia, Russian name Grushanka) in Kuzmolovo, north from Saint Petersburg. Russia, May 16, 2017
 Rust fungus Chrysomyxa pyrolae on the underside of leaves of shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) on Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Rust fungus Chrysomyxa pyrolae on the underside of leaves of shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) in area of Dibuny - Pesochny, near Saint Petersburg. Russia, June 3, 2017
 Rust fungus Chrysomyxa pyrolae underside of a leaf of shinleaf taken from old railroad path in Kuzmolovo, north from Saint Petersburg. Russia, May 16, 2017
 Rust fungus Chrysomyxa pyrolae on shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) on Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Rust fungus Chrysomyxa pyrolae on shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) in area of Dibuny - Pesochny, near Saint Petersburg. Russia, June 3, 2017
 Close up of rust fungus Chrysomyxa pyrolae on shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) in area of Dibuny - Pesochny, near Saint Petersburg. Russia, June 3, 2017
 Rust fungus Chrysomyxa pyrolae on lower surface of a leaf of shinleaf near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Texture of rust fungus Chrysomyxa pyrolae on a leaf of shinleaf taken from old railroad path in Kuzmolovo, north from Saint Petersburg. Russia, May 16, 2017
 Rust fungus Chrysomyxa pyrolae on a lower leaf surface of shinleaf taken from old railroad path in Kuzmolovo, north from Saint Petersburg. Russia, May 16, 2017
 Rust fungus Chrysomyxa pyrolae on lower surface of a leaf of shinleaf near Dibuny, north-west from Saint Petersburg, Russia, May 29, 2017
 Flowers of Shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
 Buds of Shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
 Shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia, Russian name Grushanka) north from Lembolovo, north from Saint Petersburg, Russia, June 30, 2010
 Shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia, Russian name Grushanka) west from Toksovo, 10 miles north from Saint Petersburg, Russia, June 24, 2009
 Leaves of shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia, Russian name Grushanka) on roadside near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, August 15, 2016
 Shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) in Posiolok, 45 miles south from Saint Petersburg. Russia, June 23, 2011
 Underside of a leaf with coltsfoot rust gall fungus, Puccinia poarum, in Sosnovka Park. Saint Petersburg, Russia, May 27, 2019
 Silver leaf fungus (Chondrostereum purpureum mushrooms) near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Rusty underside of a leaf of northern oak fern Gymnocarpium dryopteris affected by a fungal disease fir-oak-fern rust (Hyalopsora aspidiotus) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 14, 2017
 Close-up of teleutosori of rust fungus Allodus podophylli (Puccinia podophylli) on underside of a leaf of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 10, 2021
 Underside of pink jelly fungus (Craterocolla cerasi) growing through bark of a fallen aspen on old railroad path west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 Fir-oak-fern rust (Hyalopsora aspidiotus) fungus on a leaf of northern oak fern Gymnocarpium dryopteris near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 14, 2017
 Underside of a leaf of May apple (Podophyllum peltatum) with brown 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 10, 2021
 Brown teleutospores of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on underside of a leaf of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 10, 2021
 Orange spots of rust fungus Coleosporium ipomoeae on underside of a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Underside of a leaf of whitestar morning-glory (Ipomoea lacunosa) with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Orange urediniospores of rust fungus Coleosporium tussilaginis on underside of lleaves of coltsfoot (Tussilago farfara) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 White-rot fungus Punctularia strigosozonata on a fallen aspen north from Pole Chudes Garden in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Orange berry rust, fungus Gymnoconia peckiana (Arthuriomyces peckianus) on underside of leaves of raspberry near Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 21, 2019
 Leaf venation east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
 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
 Underside of a leaf of jumpseed (knotweed, Persicaria virginiana) with brown spores of some rust fungus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 3, 2022
 Skipper butterfly on a leaf east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
 White-rot fungus Punctularia strigosozonata on a fallen aspen north from Pole Chudes Garden, west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 Slime mold Physarum virescens on a rotting leaf in Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
 Underside of lumpy bracket mushroom (Trametes gibbosa) west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 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
 Small mushrooms Phaeohelotium epiphyllum (Hymenoscyphus epiphyllus) on a rotten leaf near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Red-brown rust fungus Puccinia punctiformis on the underside of the leaves of creeping thistle (Cirsium arvense) taken from area of Udelnaya. Saint Petersburg, Russia, August 11, 2017
 Underside of a leaf of May apple (Podophyllum peltatum) with aecia 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 10, 2022
 Underside of a leaf of May apple (Podophyllum peltatum) with aecia 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 4, 2023
 Red-brown rust fungus Puccinia punctiformis on the underside of the leaves of creeping thistle (Cirsium arvense) in Siverskaya, 50 miles south from Saint Petersburg. Russia, July 13, 2017
 Underside of a leaf of May apple (mandrake, Podophyllum peltatum) with brown teleutospores 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
 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
 Tiny bright orange cups on aecia of mayapple rust fungus (Allodus podophylli, Puccinia podophylli) underside of a leaf of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 4, 2023
 Some corticioid (crust) fungus on underside of a spruce log in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, May 16, 2021
 Snowy oysterling mushroom (Cheimonophyllum candidissimum) on an underside of a fallen willow near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Coral spot fungus (Nectria cinnabarina) on a fallen twig west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 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
 Underside of a leaf of spring scorpion grass (Myosotis macrosperma) with rust fungus Puccinia eatoniae var. myosotidis(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2022
 Close-up of candelabra duster fungus (Athelia epiphylla)(?) on underside of a fallen aspen near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
 Candelabra duster fungus (Athelia epiphylla)(?) on underside of a fallen aspen tree near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
 Rust fungus Puccinia eatoniae var. myosotidis(?) on underside of a leaf of spring scorpion grass (Myosotis macrosperma, Boraginaceae) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Bay cup fungus (Peziza badia) in Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
 Yellow spots on a leaf of May apple (Podophyllum peltatum) caused by teleutosori of 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 10, 2021
 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
 Pink jelly fungus (Craterocolla cerasi) on a fallen aspen on old railroad path west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 False tinder conk mushroom (Phellinus tremulae, a polypore fungus of aspen) west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 Candelabra duster fungus (Athelia epiphylla)(?) mixed with moss on underside of a fallen aspen near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
 Overgrown railroad grade in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Old railroad grade going through a swamp in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 A pond of the smaller sandpit in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 The smaller sandpit (quarry) in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Crust fungus Radulomyces confluens near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Crust fungus Radulomyces confluens near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Wet rot fungus (Coniophora puteana) on a rotten log near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 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
 Small cup fungus Phaeohelotium epiphyllum (Hymenoscyphus epiphyllus) on underside of an oak leaf near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, April 15, 2021
 Piles of soil taken from the smaller sandpit in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Tiny cups of fungus Phaeohelotium epiphyllum (Hymenoscyphus epiphyllus) on underside of an oak leaf near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, April 15, 2021
 Underside of a mushroom Cerioporus varius (Polyporus varius) on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
 Some yellowish corticioid fungus on a log on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, August 10, 2017
 Wet rot (Coniophora puteana) corticioid fungus on a rotten log near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Gall-forming fungus Nodulisporium cecidiogenes near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Bay cup fungus (Peziza badia) in a pine forest in Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
 Orange timber fungus Pseudomerulius aureus on a wet log near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Fringe of crust fungus Radulomyces confluens near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Close-up of cherry-spruce rust fungus (Pucciniastrum areolatum) in a spruce cone in Tarkhovka Park, west from Saint Petersburg. Russia, May 10, 2021
 Cherry-spruce rust fungus (Pucciniastrum areolatum) on spruce cone scales in Tarkhovka Park, west from Saint Petersburg. Russia, May 10, 2021
 Cherry-spruce rust fungus (Pucciniastrum areolatum) inside spruce cones in Tarkhovka Park, west from Saint Petersburg. Russia, May 10, 2021
 Pink jelly fungus (Craterocolla cerasi) growing through bark of a fallen aspen on old railroad path west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 Underside of a leaf of May apple (Podophyllum peltatum) with aecia 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, March 16, 2019
 Coltsfoot lower epidermis with rust (coltsfoot rust gall, Puccinia poarum) in Petiayarvi, north from Saint Petersburg. Russia, July 21, 2017
 Underside of a leaf of May apple (mandrake, Podophyllum peltatum) with brown teleutospores 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
 Corticioid fungus Steccherinum fimbriatum on a log on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, August 10, 2017
 Green wood cup fungus (Chlorociboria aeruginascens) on a rotten log near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Close up of a fungus Trichoderma gelatinosum (Hypocrea gelatinosa)(?) on a log in Kuzmolovo, north from Saint Petersburg. Russia, August 23, 2018
 Young oyster mushroom Pleurotus calyptratus on a fallen aspen north from Pole Chudes Garden in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Texture of corticioid fungus Phlebia centrifuga (Phlebia mellea) on underside of a fallen spruce near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
 Oyster mushrooms Pleurotus calyptratus on a fallen aspen in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Stunted cavalier mushrooms (Melanoleuca brevipes) on roadside in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Lemon disco fungus (Bisporella citrina) on a log on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, August 10, 2017
 Candelabra coral fungus (Artomyces pyxidatus) on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
 Gelatinous green porecrust fungus (Gloeoporus pannocinctus) on a rotten log near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Gall-forming fungus Nodulisporium cecidiogenes near old railrod tracks near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Gall-forming fungus Nodulisporium cecidiogenes on rotten wood near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
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