• R. Kenneth Horst
Reference work entry


Fungi are organisms having no chlorophyll, reproducing by sexual and asexual spores, not by fission like bacteria, and typically possessing a mycelium or mass of interwoven threads (hyphae) containing well-marked nuclei. According to Hawksworth (1991), there are about 4,300 valid genera, and many more that are synonyms, and about 70,000 species living as parasites or saprophytes on other organisms or their residues. More than 8,000 species cause plants disease. Fungi are divided into three kingdoms and eleven phyla.


Vascular Plant Rust Fungus Slime Mold Motile Cell Clamp Connection 
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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • R. Kenneth Horst
    • 1
  1. 1.Department of Plant Pathology and Plant-Microbe BiologyCornell UniversityIthacaUSA

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