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Claviceps purpurea - http://botit.botany.wisc.edu/toms_fungi/oct99.html
Article by Tom Vork on this species which is a plant parasite commonly found on grains of rye and the cause of ergotism when ingested by humans and other animals.
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Cordyceps subsessilis - http://botit.botany.wisc.edu/toms_fungi/jun2006.html
This rare fungus is a pathogen of scarab beetles but is found more often in its asexual form, Tolypocladium inflatum, from which the drug cyclosporin is obtained. Article with photographs.
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Claviceps purpurea - http://www.dipbot.unict.it/sistematica/Clavice.html
microscopic image
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Claviceps purpurea - http://www.dipbot.unict.it/sistematica/Clavice1.html
microscopic image
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Cordyceps longisegmentis - http://www.nybg.org/bsci/res/hall/canaden.html
Photograph of this species which parasitizes other fungi.
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Cordyceps ophioglossoides - http://www.nybg.org/bsci/res/hall/ophio.html
Information and a photograph of this parasitic species.
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Claviceps purpurea: Ergot - http://www.v72.org/PDF/sacred_ergot.pdf
Article on the alkaloids occurring in ergot, which is a parasite which infects rye and other grains, and their psychoactive and medicinal uses.
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Cordyceps melolonthae - http://www.nybg.org/bsci/res/hall/melolon.html
Photograph of this species which is a parasite of beetle larvae.
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Claviceps fusiformis - http://www.apsnet.org/online/Archive/2007/iw000079.asp
Photograph showing the conidial stage of this fungus, seen here infecting pearl millet.
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Polycephalomyces tomentosus - http://americanmushrooms.com/taxa/Polycephalomyces_tomentosus_01_Paula_DeSanto.htm
Photograph of this species.
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Ergot - http://www.hgca.com/hgca/wde/diseases/Ergot/Ergohost.html
Photographs and information on Claviceps purpurea, the causal agent of this infection.
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