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Hongos y pseudohongos
* International Mycological Association (IMA)
* MycoBank
* UniProt The Universal Protein Resource
* PHIbase – Pathogen Host Interactions Base
* Lifemap: Exploring the Entire Tree of Life
* ITIS Integrated Taxonomic Information System
* SPEGAZZINI – DIBUJOS DE HONGOS, Una Biblioteca Digitalizada
* Glosario de Términos de Micología (Universidad de Antioquia)
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Bacterias fitopatógenas
* International Committee on Systematics of Prokaryotes (ICSP)
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Virus fitopatógenos
* International Committee on Taxonomy of Viruses (ICTV)
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Insectos, Plagas
* entomologista.org Dr. Cherre Bezerra Da Silva – Entomologista
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Fotografías
* Alamy
* Agrobase
* EMBRAPA
* Pestnet
* Atlas of Plant Pathogenic Bacteria (APPB)
* Doenças de Plantas (Rincardo Trezzi Casa)
* InfectárioDepartamento de Fitopatologia, Universidade Federal de Viçosa
* Asociación Argentina de Fitopatólogos (AAF)
* The American Phytopathological Society (APS)
* The British Society for Plant Pathology
* International Code of Nomenclature for algae, fungi, and plants (Melbourne Code), 2012.
* EOL Encyclopedia of Life, Global access to knowledge about life on Earth
* INPN reference information system for data related to Nature (Francia)
* Queensland Plant Pathology Herbarium (BRIP)
* Westerdijk Fungal Biodiversity Institute
Universidades
* University of California, Davis – Department of Plant Pathology
* Iowa State University – Plant Pathology and Microbiology
* University of Wisconsin-Madison – Department of Plant Pathology