Sergey Gorshkov / Arctic Fox (Alopex lagopus) molting into winter coat, Wrangel Island, Russia

Heather Angel / Caterpillar fungus (Ophiocordyceps sinensis), a rare traditional Chinese medicine sold to nourish yin and yang, for anti-aging and as natural viagra substitute- Dong Chong Xia Cho. Yunnan, China.

Andy Sands / Scarlet caterpillar club fungi (Cordyceps militaris) Excavated to show caterpillar with fungi fruiting from it, Buckinghamshire, England, UK, October. Focus Stacked Image

Andy Sands / Scarlet caterpillar club fungi (Cordyceps militaris) Excavated to show caterpillar with fungi fruiting from it, Buckinghamshire, England, UK, October. Focus Stacked Image

Adrian Davies / Scarlet caterpillarclub fungus (Cordyceps militaris / Ophiocordyceps sinensis). This species parasitises caterpillars. Sussex, England, UK. October.

Andy Sands / Scarlet caterpillar club fungi (Cordyceps militaris) found on grass at woodland edges this ascomycete parasitises its host a caterpillar or pupae and fruits from it, Buckinghamshire, England, UK, Octo...

Andy Sands / Scarlet caterpillar club fungus (Cordyceps militaris) found on grass at woodland edges, this ascomycete parasitises its host, a caterpillar or pupae, and fruits from it, Buckinghamshire, England, UK,...

Andy Sands / Scarlet caterpillar club fungi (Cordyceps militaris) found on grass at woodland edges this ascomycete parasitises its host, a caterpillar or pupa, and fruits from it, Buckinghamshire, England, UK, Oc...

Pete Oxford / Cofan wood lizard (Enyalioides cofanorum) Yasuni National Park, Amazon Rainforest, Ecuador, South America.

Adrian Davies / Scarlet caterpillar club (Cordyceps militaris) a parasitic fungus on the buried larvae of butterflies and moths. Sussex, England, UK, November.

Dong Lei / Caterpillar fungus (Ophiocordyceps sinensis) parasitizing body of caterpillar which is under the ground. Mount Namjagbarwa, Yarlung Zangbo Grand Canyon National Park, Tibet, China.

Dong Lei / Caterpillar fungus (Ophiocordyceps sinensis) held in human hand. This fungus parasitizes caterpillar under the ground and produces fruiting body above the ground. Mount Namjagbarwa, Yarlung Zangbo Gra...

Pete Oxford / Cordyceps Fungus attacking fly (Cordyceps sp) Yasuni National Park, Amazon Rainforest, Ecuador, South America.

Zoltan Nagy / Moth infected with parasitic fungus (Cordyceps sp) in small cave, Apuseni Mountains, Carpathian Mountain Range, Romania. November

Adrian Davies / Coral Spot Fungus (Nectria cinnabarina) on branch, England

Adrian Davies / Coral Spot Fungus (Nectria cinnabarina) on branch, England

Juergen Freund / Dead ant (Formicidae sp) infected by Ophiocordyceps fungus. Tanjung Puting National Park, Borneo, Central Kalimantan, Indonesia

Enrique Lopez-Tapia / Yartsagumbu (Cordyceps sinensis) or Caterpillar fungus in English, known as Himalayan gold, sold dried with its parasitised caterpillar of Ghost moth (Hepialus humuli), which has high monetary value i...

Roman Willi / Caterpillar infected by Cordyceps fungus, Osa Peninsula, Costa Rica.

Roman Willi / Moth (Lepidoptera) infected by Cordyceps fungus Osa Peninsula, Costa Rica.

Doug Wechsler / Parasitic fungus (Akanthomyces aculeatus) covering a moth (Lepidoptera), Pennsylvania, USA. September.

Nigel Cattlin / Whitehead / Blank ear disease in green ear of Wheat (Triticum aestivum) crop, caused by Fusarium foot rot (Fusarium sp.). June.

Alex Hyde / Close up of Cordyceps (Cordyceps sp.) fungus fruiting body erupting from a dead Ant (Formicidae) that has been killed by the fungus, Danum Valley, Sabah, Borneo.

John Abbott / Ant (Formicidae) infected with Cordyceps fungus, Cayo District, Belize.

John Abbott / Ant (Formicidae) infected with Cordyceps fungus, Cayo District, Belize.

John Abbott / Ant (Formicidae) infected with Cordyceps fungus, Cayo District, Belize.

John Abbott / Ant (Formicidae) infected with Cordyceps fungus, Cayo District, Belize.

Nigel Cattlin / Fusarium footrot (Fusarium culmorum) mycelium, red purple sporodochia and damage to stem base of a mature Wheat (Triticum aestivum) plant.

Nigel Cattlin / Fusarium foot rot (Fusarium culmorum) mycelium, orange sporodochia and damage to stem base of a mature Wheat (Triticum aestivum) plant.

Nick Upton / Milkcap mushroom (Russulaceae sp.) infected with another fungus (Hypomyces lateritius) which leads to fused gills, Oxwich Burrows nature reserve, Wales, UK, October.

Nick Upton / Milkcap mushroom (Russulaceae sp.) infected with another fungus (Hypomyces lateritius) which leads to fused gills, Oxwich Burrows nature reserve, Wales, UK, October.

Nigel Cattlin / Cobweb disease (Hypomyces rosellus or Cladobotryum dendroides) disease filaments developing on cultivated mushrooms (Agaricus bisporus).

Nigel Cattlin / Cobweb disease (Hypomyces rosellus or Cladobotryum dendroides) disease filaments developing on cultivated mushrooms (Agaricus bisporus).

Nigel Cattlin / Ergot (Claviceps purpurea) fungal disease, showing ergots / sclerotia replacing grains in a ripe wheat (Triticum aestivum) ear.

Nigel Cattlin / Symptoms of Foot rot (Fusarium solani f.sp. viciae) on Field bean (Vicia faba) stem bases.

Nigel Cattlin / Symptoms of Foot rot (Fusarium solani f.sp. viciae) on Field bean (Vicia faba) stem bases.

Nigel Cattlin / Early symptom of Verticillium dry bubble disease (Lecanicillium fungicola) lesions on the fruiting cap of a commercially grown mushroom (Agaricus bisporus).

Nigel Cattlin / Bakanae disease (Gibberella fujikuroi) showing abnormal tall, green, extended leaves from Rice (Oryza sativa) plants in a ripening crop, Thailand, South East Asa. can from film.

Ripan Biswas / Cordyceps fungus sporing bodies emerging from daddy long legs, Coochbehar, India. Nature Photographer of the Year Competition 2021 - Highly Commended Plants and Fungi Category. Asferico International...

Guy Edwardes / Scarlet caterpillarclub fungus (Cordyceps militaris), Ystradfellte, Powys, Wales. November.

Guy Edwardes / Coral spot fungus (Nectria cinnabarina) on deadwood, Perthshire, Scotland, UK. October.

Alex Hyde / Cordyceps fruiting body erupting from a dead ant that the fungus has killed. Danum Valley, Sabah, Borneo.

Alex Hyde / Cordyceps fruiting body erupting from a dead ant that the fungus has killed. Danum Valley, Sabah, Borneo.

Alex Hyde / Cordyceps fruiting bodies erupting from a dead moth that the fungus has killed. Danum Valley, Sabah, Borneo.

Alex Hyde / Cordyceps fruiting bodies erupting from a dead moth that the fungus has killed. Danum Valley, Sabah, Borneo.

Alex Hyde / Cordyceps fruiting bodies erupting from a dead moth that the fungus has killed. Danum Valley, Sabah, Borneo.

Andy Sands / Scarlet caterpillar club fungus (Cordyceps militaris) Growing from ground at the edge of woodland clearing, Buckinghamshire, England, UK, October. Focus stacked Image

Andy Sands / Scarlet caterpillar club fungus (Cordyceps militaris). Combined image to show mummified caterpillar with fungi growing from it, Buckinghamshire, England, UK, November. Focus stacked.

Andy Sands / Scarlet caterpillar club fungus (Cordyceps militaris), excavated to show mummified caterpillar with the fungi growing from it, Buckinghamshire, England, UK, November.

Andy Sands / Scarlet caterpillar club fungus (Cordyceps militaris) growing in grass at edge of woodland clearing, Buckinghamshire, England, UK, November. Focus stacked.

Andy Sands / Slime mould (Arcyria sp) under attack bfrom Fungus (Polycephalomyces tomentosus). Buckinghamshire, England, UK. September. Focus stacked image.

Morley Read / Cordyceps fungus parasitizing a spider. The fungus alters the behaviour of its host before killing it, ensuring the insect will die in a high place, enabling the spores to be spread easily. Yasuni Nat...

Morley Read / Cordyceps fungus parasitizing a wasp. The fungus alters the behaviour of its host before killing it, ensuring the insect will die in a high place, enabling the spores to be spread easily. Yasuni Natio...

Adrian Davies / Scarlet caterpillarclub fungus (Cordyceps militaris). Surrey, England, UK. February.

Juergen Freund / Zombie-ant fungus (Ophiocordyceps unilateralis) infected Ant (Formicidae). Far North Queensland, Australia.

Will Watson / Coral Spot (Nectria punnicea var. ilicis) an Ascomycota fungus on Holly (Ilex aquifolium) bark, ancient semi-natural woodland, Herefordshire Plateau, England, February.