 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
 Coltsfoot (Tussilago farfara, Russian name Mat I Machekha) near a roadside ditch on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Spring flowers of Coltsfoot (Tussilago farfara, Russian name Mat I Machekha) on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Coltsfoot (Tussilago farfara) near Razliv on a road from Dibuny, north-west from Saint Petersburg, Russia, June 1, 2014
 Seed head of Coltsfoot (Tussilago farfara, Russian name Mat I Machekha). Dibuny, north-west from Saint Petersburg, Russia, June 1, 2014
 Fluffy seed heads of Coltsfoot (Tussilago farfara, Russian name Mat I Machekha). Dibuny, north-west from Saint Petersburg, Russia, June 1, 2014
 Spring flower of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) among dry leaves in a forest near Komarovo, 25 miles north-west from Saint Petersburg. Russia, May 9, 2016
 Coltsfoot (Tussilago farfara, Russian name Mat I Machekha) in Dibuny, near Saint Petersburg. Russia, May 18, 2017
 Coltsfoot (Tussilago farfara, Russian name Mat I Machekha) in Pesochny, north-west from Saint Petersburg. Russia, May 5, 2017
 Flower of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) in a forest near Komarovo, 25 miles north-west from Saint Petersburg. Russia, May 9, 2016
 Late blooming coltsfoot (Tussilago farfara, Russian name Mat I Machekha) in a forest near Komarovo, 25 miles north-west from Saint Petersburg. Russia, May 9, 2016
 Yellow flower of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) in a forest near Komarovo, 25 miles north-west from Saint Petersburg. Russia, May 9, 2016
 Flowers of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) on railroad in Toksovo. North from Saint Petersburg, Russia, May 3, 2017
 Blooming coltsfoot (Tussilago farfara) on a sand wall of Quarry in Kuzmolovo, north from Saint Petersburg. Russia, May 16, 2017
 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
 Flowers of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) on roadside near Kavgolovskoe Lake. North from Saint Petersburg, Russia, May 3, 2017
 Yellow flowers of coltsfoot (Tussilago farfara) on a sand wall of Quarry in Kuzmolovo, north from Saint Petersburg. Russia, May 16, 2017
 Seed head of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 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
 Seed head of Coltsfoot (Tussilago farfara, Russian name Mat I Machekha) with fluffy pappus attached to seed-bearing achenes west from Toksovo, 10 miles north from Saint Petersburg, Russia, June 24, 2009
 Coltsfoot (Tussilago farfara, Russian name Mat I Machekha) on a logging site near Hallojarvi (Gorynskoe) Lake near Lembolovo, 40 miles north from Saint Petersburg. Russia, April 27, 2017
 Common yellow spring flower of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) near Oselki on roadside near Kavgolovskoe Lake. North from Saint Petersburg, Russia, May 3, 2017
 Common yellow spring flower of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) on roadside in a forest between Lembolovo and Orekhovo, north from Saint Petersburg. Russia, May 11, 2021
 Flowers of Coltsfoot (Tussilago farfara, Russian name Mat I Machekha) on a logging site near Hallojarvi (Gorynskoe) Lake near Lembolovo, 40 miles north from Saint Petersburg. Russia, April 27, 2017
 Blooming Coltsfoot (Tussilago farfara, Russian name Mat I Machekha) on a logging site near Hallojarvi (Gorynskoe) Lake near Lembolovo, 40 miles north from Saint Petersburg. Russia, April 27, 2017
 Coltsfoot lower epidermis with rust (coltsfoot rust gall, Puccinia poarum) in Petiayarvi, north from Saint Petersburg. Russia, July 21, 2017
 Common yellow spring flower of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) in Sablino, south from Saint Petersburg. Russia, May 21, 2011
 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
 Orange berry rust, fungus Gymnoconia peckiana (Arthuriomyces peckianus) on a shoot of raspberry near Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 21, 2019
 Common yellow spring flower of Coltsfoot (Tussilago farfara, Russian name Mat I Machekha) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Orange berry rust, fungus Gymnoconia peckiana (Arthuriomyces peckianus) on a shoot of raspberry on black background near Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 21, 2019
 Tiger s eye mushrooms (Coltricia perennis) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Seed head of Coltsfoot (Tussilago farfara, Russian name Mat I Machekha) with fluffy pappus attached to seed-bearing achenes in Menkovo, south from Saint Petersburg. Russia, June 1, 2011
 Stinking brittlegill mushrooms (Russula foetens) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Caps of tiger s eye mushrooms (Coltricia perennis) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Red cracking bolete mushrooms (Xerocomellus chrysenteron) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Black tooth mushrooms (Phellodon niger) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Urchin earthfan mushroom (Thelephora penicillata)(?) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Underside of rusty bolete mushroom (Boletus ferrugineus) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Orange tooth mushrooms (Hydnellum aurantiacum) in a ditch on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Bog bell mushroom (Galerina paludosa) in Sestroretsk Swamp near Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Top view of rusty bolete mushroom (Boletus ferrugineus) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Underside of black tooth mushrooms (Phellodon niger) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Top view of orange tooth mushroom (Hydnellum aurantiacum) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Bumpy cap of orange tooth mushroom (Hydnellum aurantiacum) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Cap texture of orange tooth mushroom (Hydnellum aurantiacum) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Orange cap bolete mushroom (Leccinum aurantiacum, Russian name Podosinovik) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Gills of a bog bell mushroom (Galerina paludosa) in Sestroretsk Swamp near Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Blooming English sundew (Drosera anglica) in Sestroretsk Swamp near Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Drab tooth mushrooms (Phellodon fuligineoalbus, Bankera fuligineoalba) in a ditch on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Close-up of drab tooth mushrooms (Phellodon fuligineoalbus, Bankera fuligineoalba) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Dumped collection of bitter bolete mushrooms (Tylopilus felleus) and one young Leccinum on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Leaves of elephant foot plant (elephantopus tomentosus(?)) with needle rust fungus (Coleosporium elephantopi, Coleosporium elephantopodis) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 21, 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
 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
 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
 Common liverwort or green-tongue liverwort (Marchantia polymorpha) in a ditch on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Rosette of leaves of English sundew (Drosera anglica) in Sestroretsk Swamp near Lenin Trail, north-west from Saint Petersburg. Russia, July 29, 2024
 Large leaves and a flower of English sundew (Drosera anglica) in Sestroretsk Swamp near Lenin Trail, north-west from Saint Petersburg. Russia, July 29, 2024
 Mold like fungus on a stump on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Urediniospores of rust fungus Puccinia smilacis on greenbrier leaves under a microscope, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022
 Urediniospores of rust fungus Puccinia smilacis on greenbrier leaves under a microscope, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022
 Close up of pine needle rust fungus (Coleosporium elephantopi, Coleosporium elephantopodis) on hairy elephant foot on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 27, 2018
 Pine needle rust fungus (Coleosporium elephantopi, Coleosporium elephantopodis) on 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 goldenrod (Solidago) with yellow spots from goldenrod rust fungus Coleosporium solidaginis (Coleosporium asterum)(?), collected over a sewage line in Lick Creek Park. College Station, Texas, August 3, 2023
 Leaves of goldenrod (Solidago) showing yellow spots with uredinia of goldenrod rust fungus Coleosporium solidaginis (Coleosporium asterum)(?), collected over a sewage line in Lick Creek Park. College Station, Texas, August 3, 2023
 Uderside of leaves of goldenrod (Solidago) showing yellow spots with uredinia of goldenrod rust fungus Coleosporium solidaginis (Coleosporium asterum)(?), collected over a sewage line in Lick Creek Park. College Station, Texas, August 3, 2023
 Rust fungus Chrysomyxa pyrolae on lower surface of a leaf of shinleaf near Dibuny, north-west from Saint Petersburg, Russia, May 29, 2017
 Some green Cladonia lichen on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Coltsfoot rust gall fungus, Puccinia poarum, in Sosnovka Park. Saint Petersburg, Russia, May 27, 2019
 Cup mushrooms Pulvinula convexella(?) on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Small Pluteus mushroom on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Fibrecap (Inocybe) mushrooms on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Some small mushroom in a roadside ditch on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Pine forest along Lenin Trail near Razliv Lake near Dibuny, north-west from Saint Petersburg. Russia, August 6, 2017
 Scurfy twiglet mushrooms (Tubaria furfuracea) on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Underside of a leaf with coltsfoot rust gall fungus, Puccinia poarum, in Sosnovka Park. Saint Petersburg, Russia, May 27, 2019
 Rust fungus Coleosporium elephantopodis on leaves of elephant foot plant near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 18, 2022
 Sulphur Tuft mushrooms (Hypholoma fasciculare) on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Brittlestem (Psathyrella) mushrooms in a roadside ditch on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Young scurfy twiglet mushrooms (Tubaria furfuracea) on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Fallen female willow catkin near Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 21, 2019
 Brittlestem mushrooms (Psathyrella) on roadside mulch on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Sundew (Drosera rotundifolia) on Razliv swamp near Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Some small Gymnopilus(?) mushroom growing on moss on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Close-up of rust fungus Coleosporium elephantopodis on leaves of elephant foot plant near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 18, 2022
 Old false morel mushroom (Gyromitra esculenta) in a roadside ditch on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 White Morel mushroom (Morchella deliciosa) on Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Pine-cone mushroom (Strobilurus stephanocystis) on Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Pig s Ears mushroom (Discina ancilis) on a mossy log on Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 European destroying angel mushrooms (Amanita virosa) on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Brittlestem (Psathyrella) mushrooms among charcoal in a roadside ditch on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Pig s Ears mushroom (Discina ancilis) on a mossy log near Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 21, 2019
 Spring brittlestem mushrooms (Psathyrella spadiceogrisea) near Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 21, 2019
 Cups of Pig s Ears mushroom (Discina ancilis) on a mossy log on Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Wrinkled cup of Pig s Ears mushroom (Discina ancilis) on a mossy log on Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Pine-cone mushrooms (Strobilurus stephanocystis) on roadside of Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 11, 2019
 Sundew (Drosera rotundifolia) in sphagnum moss on Razliv swamp near Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Spring brittlestem mushrooms (Psathyrella spadiceogrisea) on roadside near Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 21, 2019
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