| ABB | Asian Bacterial Bank, Samsung Biomedical Research Institute, Seoul, Republic of Korea. | 
	| ACAM | Australian Collection of Antarctic Microorganisms, Cooperative Research Center for the Antarctic and Southern Ocean Environment, University of Tasmania, Hobart, Tasmania, Australia. | 
	| ACCC | Agricultural Culture Collection of China, Institute of Soil and Fertilization, Chinese Academy of Agricultural Sciences, Beijing, China. | 
	| ACM | Australian Collection of Microorganisms, Department of Microbiology and Parasitology, The University of Queensland, Brisbane, Queensland, Australia (same as UQM). | 
	| AHN | Anaerobe Reference Laboratory, Helsinki Collection, Helsinki, Finland. | 
	| AHU | Laboratory of Culture Collection of Microorganisms, Faculty of Agriculture, Hokkaido University, Sapporo, Japan. | 
	| AJ | Central Research Laboratories, Ajinomoto Co. Inc., Kawasaki, Japan. | 
	| AKU | Faculty of Agriculture, Kyoto University, Kyoto, Japan. | 
	| AMP | Australian Mycological Panel. | 
	| ANMR | Asian Network on Microbial Researches. | 
	| AS | See CGMCC. | 
	| ATCC | American Type Culture Collection, Manassas, VA, USA. | 
	| ATHUM | Athens Collection of Fungi, University of Athens, Athens, Greece. | 
	| ATU | Department of Biotechnology, Division of Agriculture and Life Sciences, The University of Tokyo, Tokyo, Japan (same as FAT). | 
	| BCC | BIOTEC Culture Collection, National Center for Genetic Engineering and Biotechnology (BIOTEC), Khlong Luang, Pathumthani, Thailand. | 
	| BCRC | Bioresources Collection and Research Center, Food Industry Research and Development Institute, Hsinchu, Taiwan (same as CCRC). | 
	| BDUN | Department of Botany, University of Nottingham, Nottingham, UK. | 
	| BRL | Butterwick Research Laboratories, Welwyn, Hertfordshire, UK. | 
	| BTCC | Biotechnology Culture Collection, Research and Development Center for Biotechnology, Indonesian Institute of Sciences (LIPI), Cibinong, Indonesia. | 
	| BUSCOB | Bologna University Scardovi Collection of Bifidobacteria | 
	| BUCSAV | Biologicky Ustav, Czech Akademie Ved, Prague, Czech Republic. | 
	| CAIM | Collection of Aquacultural Important Microorganisms, CIAD/Mazatlán Unit for Aquaculture and Environmental Management, Mazatlán, Sinaloa, Mexico. | 
	| CBMAI | Brazilian Collection of Microorganisms from the Environment and Industry, State University of Campinas, Paulinia, SP, Brazil. | 
	| CBS | CBS-KNAW Culture Collection, Westerdijk Fungal Biodiversity Institute, Utrecht, The Netherlands. | 
	| CCBAU | Culture Collection of Beijing Agricultural University, Beijing, China. | 
	| CCEB | Culture Collection of Entomogenous Bacteria, Institute of Entomology, Prague, Czech Republic. | 
	| CCF | Culture Collection of Fungi, Department of Botany, Faculty of Science, Charles University, Prague, Czech Republic. | 
	| CCFC | See DAOMC. | 
	| CCM | Czech Collection of Microorganisms, Masaryk University, Brno, Czech Republic. | 
	| CCMM | Moroccan Coordinated Collections of Micro-organisms, Rabat, Morocco. | 
	| CCOS | Culture Collection of Switzerland, Zurich University of Applied Sciences, Wädenswil, Switzerland. | 
	| CCRC | See BCRC. | 
	| CCT | Colecao de Culturas Tropical, Fundacao Tropical de Pesquisas e Tecnologia "André Tosello", Campinas - SP, Brazil. | 
	| CCTCC | China Center for Type Culture Collection, Wuhan University, Wuhan, China. | 
	| CCTM | Centre de Collection de Types Microbien, Institut de Microbiologie, Université de Lausanne, Switzerland. | 
	| CCUG | Culture Collection, University of Göteborg, Department of Clinical Bacteriology, Guldhedsg, Göteborg, Sweden. | 
	| CCY | Culture Collection of Yeasts, Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovakia. | 
	| CDA | Canadian Department of Agriculture, Ottawa, Canada. | 
	| CDC | Centers for Disease Control and Prevention, Atlanta, GA, USA (same as NCDC). | 
	| CEB | Centre d'Etudes du Bouchet, Le Bouchet, France. | 
	| CECT | Colección Española de Cultivos Tipo, Universidad de València, Edificio de Investigación, Burjassot, Spain. | 
	| CELMS | Collection of Environmental and Laboratory Microbial Strains, University of Tartu, Tartu, Estonia. | 
	| CFBP | Collection Francaise des Bacteries Phytopathogenes, Institut National de la Recherche Agronomique, Beaucouzé Cedex, France. | 
	| CFCC | China Forestry Culture Collection Center, Research Institute of Forest Ecology, Environment and Protection, Beijing, China. | 
	| CGMCC | China General Microbiological Culture Collection Center, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China (same as AS). | 
	| CICC | China Center of Industrial Culture Collection, China National Research Institute of Food and Fermentation Industries, Beijing, China. | 
	| CIP | Collection of Institut Pasteur, Biological Resource Center of Institut Pasteur (CRBIP), Paris, France. | 
	| CMI | See IMI. | 
	| CN | Wellcome Collection of Bacteria, Burroughs Wellcome Research Laboratories, Beckenham, Kent, UK. | 
	| CNCM | Collection Nationale de Cultures de Microorganismes, Institut Pasteur, Paris, France. | 
	| CNCTC | Czech National Collection of Type Cultures, Institute of Hygiene and Epidemiology, Prague, Czech Republic. | 
	| CNRZ | Centre National de Recherches Zootechniques, Jouy-en-Josas, France. | 
	| CPCC | China Pharmaceutical Culture Collection, Beijing, China. | 
	| CRBIP | Biological Resource Center of Institut Pasteur, Paris, France. | 
	| CRL | Centro de Referencia Para Lactobacilos, Consejo Nacional de Investigaciones Cientificas y Tecnicas, San Miguel de Tucumán, Argentina. | 
	| CSIR | Council for Scientific and Industrial Research, Pretoria, South Africa. | 
	| CSUR | Collection de Souches de l'Unité des Rickettsies, Unités des Rickettsies, Marseille, France. | 
	| CUETM | Collection Unite Ecotoxicologie Microbienne, INSERM, Villeneuve d'Ascq, Nord, France. | 
	| DAOM | Canadian National Mycological Herbarium, Agriculture and Agri-Food Canada, Ottawa, Canada; Before 2017 the fungal herbarium (DAOM) and the culture collection (DAOMC) were using the same identifiers for materials kept in both collections. | 
	| DAOMC | Canadian Collection of Fungal Cultures, Agriculture and Agri-Food Canada, Ottawa, Canada (same as CCFC). | 
	| DAR | Plant Pathology Herbarium, Orange Agricultural Institute, Orange, New South Wales, Australia. | 
	| DBVPG | Collection of Yeasts, Dipartimento di Biologia Vegetale, Perugia, Italy. | 
	| DMST | Culture Collection for Medical Microorganism, Department of Medical Sciences, National Institute of Health, Nonthaburi, Thailand. | 
	| DMUR | Department of Mycology, University of Recife, Brazil. | 
	| DRL | Diagnostical and Research Laboratory, Budapest, Hungary. | 
	| DSM | DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Braunschweig, Germany. | 
	| ETH | Kultursammlungen der Eidgenosische Technische Hochschule, Zurich, Switzerland. | 
	| FAT | See  ATU. | 
	| FDA | US Food and Drug Administration, Washington, D.C., USA. | 
	| FDC | Forsyth Dental Center, Boston, MI, USA. | 
	| FERM | Patent and Bio-Resource Center, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan. | 
	| FGSC | Fungal Genetics Stock Center, University of Kansas Medical Center, KS, USA. | 
	| FIRDI | Food Industry Research and Development Institute, HsinChu, Taiwan. | 
	| FMJ | Faculty of Medicine, Juntendo University, Tokyo, Japan. | 
	| FMR | Facultad de Medicina, Reus, Tarragona, Spain. | 
	| FRI | Food Research Institute, Ministry of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki, Japan. | 
	| FRR | Division of Food Research, Food Research Laboratory, CSIRO, North Ryde, N.S.W., Australia. | 
	| FTK | Forintek Culture Collection of Wood-Inhabiting Fungi, Ottawa, Ontario, Canada. | 
	| GBS | Ginseng Genetic Resource Bank, Kyung Hee University, Yongin, Republic of Korea. | 
	| GDMCC | Guangdong Microbial Culture Collection Center, Guangdong Institute of Microbiology, Guangzhou, China. | 
	| GIFU | See GTC. | 
	| GTC | Gifu Type Culture Collection, Department of Microbiology, Gifu University School of Medicine, Gifu, Japan. | 
	| HACC | Research Laboratory, Hindustan Antibiotics Ltd., Pimpri Poona, India. | 
	| HAMBI | Culture Collection of the Department of Microbiology, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, Finland. | 
	| HKUCC | University of Hong Kong Culture Collection, Department of Ecology and Biodiversity, Hong Kong, China. | 
	| HSCC | Culture Collection of the Research and Development Department, Higeta Shoyu Co., Ltd., Choshi, Chiba, Japan. | 
	| HUT | HUT Culture Collection, Department of Molecular Biotechnology, Graduate School of Advanced Sciences of Matter, Hiroshima University, Higashihiroshima, Hiroshima, Japan. | 
	| IAM | IAM Culture Collection, Center for Cellular and Molecular Research, Institute of Molecular and Cellular Biosciences, The University of Tokyo, Tokyo, Japan (collection transferred to JCM). | 
	| IBL | Botanical Institute, Lisbon Faculty of Sciences, Lisbon, Portugal. | 
	| IBRC | Iranian Biological Resources Center, Academic Center for Education Culture and Research (ACECR), Tehran, Iran. | 
	| IBT | IBT Culture Collection of Fungi, Mycology Group, BioCentrum-DTU, Technical University of Denmark, Lyngby, Denmark. | 
	| ICI | Imperial Chemical Industries Ltd., Welwyn, Hertfordshire, UK. | 
	| ICMP | International Collection of Microorganisms from Plants, Plant Diseases Division, DSIR, Auckland, New Zealand (same as PDDCC). | 
	| ICPB | International Collection of Phytopathogenic Bacteria, Davis, CA, USA. | 
	| IEM | Czech National Collection of Type Cultures, Institute of Hygiene and Epidemiology, Prague, Czech Republic. | 
	| IFAM | Institut für Allgemeine Mikrobiologie, Universität Kiel, Kiel, Germany. | 
	| IFM | Medical Mycology Research Center, Chiba University, Chiba, Japan. | 
	| IFO | Institute for Fermentation, Osaka, Yodogawa-ku, Osaka, Japan (collection transferred to NBRC). | 
	| IGC | Center of Biology, Gulbenkian Institute of Science, Oeiras, Portugal. | 
	| IHEM | Instutute of Hygiene and Epidemiology-Mycology Laboratory, Brussels, Belgium. | 
	| IID | Laboratory Culture Collection, Institute of Medical Science, University of Tokyo, Tokyo, Japan. | 
	| IJFM | Instituto ´Jaime Ferrán´ de Microbiología Consejo Superior de Investigaciones Científicas, Madrid, Spain. | 
	| IMCC | Inha Microbe Culture Collection, Inha University, Incheon, Republic of Korea. | 
	| IMET | See DSM (formerly National Kurturensammlung für Mikroorganismen, Zentralinstitut für Mikrobiologie und Experimentelle Therapie, Jena, Germany). | 
	| IMI | CABI Bioscience, Eggham, UK (formerly International Mycological Institute; same as CMI). | 
	| IMRU | Waksman Institute of Microbiology, Rutgers, The State University of New Jersey, Piscataway, NJ, USA. | 
	| IMSNU | Institute of Microbiology, Seoul National University, Seoul, Republic of Korea. | 
	| IMUR | Institute of Mycology, University of Recife, Recife, Brazil. | 
	| IMV | See UCM. | 
	| INA | Culture Collection of the Institute of New Antibiotics, Academy of Medical Sciences, Moscow, Russia. | 
	| InaCC | Indonesian Culture Collection, Research Center for Biology, Indonesian Institute of Sciences (LIPI), Cibinong, Indonesia. | 
	| INCQS | Instituto Nacional de Controle de Qualidade em Saúde, Rio de Janeiro, Brazil. | 
	| INIFAT | INIFAT Fungus Collection, Ministerio de Agricultura, Habana. | 
	| INMI | Institute of Microbiology, Russian Academy of Sciences, Moscow, Russia. | 
	| IP | Department of Insect Pathology, Institute of Entomology, České Budĕjovice, Czech Republic. | 
	| ISP | International Cooperative Project for Description and Deposition of Type Cultures of Streptomyces (terminated). | 
	| ITEM | Agri-Food Toxigenic Fungi Culture Collection, Institute of Sciences of Food Production, Bari, Italy. | 
	| IZ | Departamento de Tecnologia Rural, Piracicaba, Brazil. | 
	| JBRI | Jeju Biodiversity Research Institute, Jeju, Republic of Korea. | 
	| JHH | New York State Herbarium, Albany, NY, USA. | 
	| KACC | Korean Agricultural Culture Collection, National Institute of Agricultural Biotechnology, Rural Development Administration, Suwon, Republic of Korea. | 
	| KCCM | Korean Culture Center of Microorganisms, Department of Food Engineering, Yonsei University, Seoul, Republic of Korea. | 
	| KCOM | Korean Collection for Oral Microbiology, Department of Oral Biochemistry, School of Dentistry, Chosun University, Guwangju, Republic of Korea. | 
	| KCTC | Korean Collection for Type Cultures, Genetic Resources Center, Korea Research Institute of Bioscience and Biotechnology, Taejon, Republic of Korea. | 
	| KEMB | Korea Environmental Microorganisms Bank, Kyonggi University, Suwon, Republic of Korea. | 
	| KEMC | See KEMB. | 
	| KFCC | Korean Federation of Culture Collection, Seoul, Republic of Korea. | 
	| KMM | Collection of Marine Microorganisms, Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch, Russian Academy of Sciences, Vladivostok, Russia. | 
	| KY | Tokyo Research Laboratory, Kyowa Hakko Kogyo, Co., Ltd., Tokyo, Japan. | 
	| LBG | Institute for Agricultural Bacteriology and Fermentation Biology, Confederated Technical High School, Zurich, Switzerland. | 
	| LCP | Laboratory of Cryptogamy, National Museum of Natural History, Paris, France. | 
	| LIA | Cryobank of Microorganisms, Research Institute of Antibiotics and Enzymes, St. Petersburg, Russia. | 
	| LMD | See NCCB (formerly Laboratorium voor Microbiologie der Landbouwhogeschool, Wageningen, The Netherlands). | 
	| LMG | Laboratorium voor Microbiologie, Universiteit Gent, Gent, Belgium. | 
	| LSH | London School of Hygiene and Tropical Medicine, London, UK. | 
	| LSHB | See LSH. | 
	| LUH | Collection L. Dijkshoorn, Leiden University Medical Center, Leiden, The Netherlands. | 
	| LY | Laboratoire de Mycologie associé au C.N.R.S., Université Claude Bernard, Lyon I, France. | 
	| MAFF | Ministry of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki, Japan. | 
	| MBIC | Marine Biotechnology Institute Culture Collection, Kamaishi, Iwate, Japan (defunct). | 
	| MCC | Microbial Culture Collection, National Centre for Cell Science, Maharashtra, India. | 
	| MCC-UPLB | Microbial Culture Collection, Museum of Natural History, University of the Philippines at Los Baños, Laguna, The Philippines. | 
	| MCCC | Marine Culture Collection of China, The Third Institute of State Oceanic Administration (SOA), Xiamen, Fujian, China. | 
	| MCCM | Medical Culture Collection Marburg, Institute of Medical Microbiology and Hospital Hygiene, Philipps University, Marburg, Germany. | 
	| MDH | Michigan Department of Health, USA. | 
	| MFC | Matsushima Fungus Collection, Kobe, Japan. | 
	| MIT | Massachusetts Institute of Technology, Cambridge, Mass., USA. | 
	| MRC | National Research Institute for Nutritional Diseases, Tygerberg, South Africa. | 
	| MTCC | Microbial Type Culture Collection and Gene Bank, Institute of Microbial Technology, Chandigarh, India | 
	| MU | Willard Sherman Turrell Herbarium, Department of Botany, Miami University, Ohio, USA. | 
	| MUCL | Mycothèque de l´Université Catholique de Louvain, Louvain-la-Neuve, Belgium. | 
	| NBIMCC | National Bank for Industrial Microorganisms and Cell Cultures, Sofia, Bulgaria. | 
	| NBRC | NITE Biological Resource Center, Department of Biotechnology, National Institute of Technology and Evaluation, Kisarazu, Chiba, Japan. | 
	| NCAIM | National Collection of Agricultural and Industrial Microorganisms, Department of Microbiology and Biotechnology, University of Horticulture and Food Industry, Budapest, Hungary. | 
	| NCB | National Culture Bank, University of Udine, Udine, Italy. | 
	| NCCB | The Netherlands Culture Collection of Bacteria, Westerdijk Fungal Biodiversity Institute, Utrecht, The Netherlands. | 
	| NCCP | National Culture Collection of Pakistan, Islamabad, Pakistan. | 
	| NCDC | See CDC. | 
	| NCDO | See NCFB. | 
	| NCFB | National Collection of Food Bacteria, Reading, UK (incorporated with NCIMB). | 
	| NCIB | National Collection of Industrial Bacteria, Torry Research Station, Aberdeen, Scotland, UK (incorporated with NCIMB). | 
	| NCIM | National Collection of Industrial Microorganisms, National Chemical Laboratory, Pune, Maharashtra, India. | 
	| NCIMB | National Collection of Industrial, Food and Marine Bacteria, NCIMB Ltd., Aberdeen, Scotland, UK. | 
	| NCMA | National Center for Marine Algae and Microbiota, Bigelow Laboratory for Ocean Sciences, East Boothbay, ME, USA. | 
	| NCMB | National Collection of Marine Bacteria, Torry Research Station, Aberdeen, Scotland, UK (incorporated with NCIMB). | 
	| NCMH | The North Carolina Memorial Hospital, University of North Carolina, Chapel Hill, NC, USA. | 
	| NCPF | National Collection of Pathogenic Fungi, Public Health England, Bristol, UK. | 
	| NCPPB | National Collection of Plant Pathogenic Bacteria, Harpenden, UK. | 
	| NCTC | National Collection of Type Cultures, Central Public Laboratory Service, London, UK. | 
	| NCYC | National Collection of Yeast Cultures, Food Research Institute, Norwich, UK. | 
	| NHL | National Institute of Hygienic Sciences, Tokyo, Japan. | 
	| NI | Nagao Institute, Tokyo, Japan (defunct). | 
	| NIAES | National Institute of Agro-Environmental Sciences, Ministry of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki, Japan. | 
	| NIAH | National Institute of Animal Health, Ministry of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki, Japan. | 
	| NIPH | Collection A. Nemec, National Institute of Public Health, Prague, Czech Republic. | 
	| NISL | Noda Institute for Scientific Research, Noda, Chiba, Japan. | 
	| NML | National Microbiology Laboratory Health Canada Culture Collections, National Microbiology Laboratory-Health Canada, Manitoba, Canada. | 
	| NRC | Division of Biological Sciences, National Research Council of Canada, Ottawa, Canada (same as NRCC). | 
	| NRCC | See NRC. | 
	| NRIC | NODAI Culture Collection, Tokyo University of Agriculture, Tokyo, Japan. | 
	| NRRL | Agricultural Research Service Culture Collection, National Center for Agricultural Utilization Research, US Department of Agriculture, Peoria, IL, USA. | 
	| NYNU | Microbiology Lab, Nanyang Normal University, Henan, China. | 
	| NZP | New Zealand Department of Scientific and Industrial Research, Applied Biochemistry Division, Palmerston North, New Zealand. | 
	| OAC | Department of Botany and Genetics, University of Guelph, Ont., Canada | 
	| OCM | Oregon Collection of Methanogens, Beaverton, OR, USA. | 
	| OUT | Department of Fermentation Technology, Faculty of Engineering, Osaka University, Osaka, Japan. | 
	| PAGU | Pharmaceutical Sciences, Aichi Gakuin University, Nagoya, Japan. | 
	| PAMC | Polar and Alpine Microbial Collection, Korea Polar Research Institute, Incheon, Republic of Korea. | 
	| PCI | Penicillin Control and Immunology Section, Food and Drug Administration, Washington DC, USA. | 
	| PCM | Polish Collection of Microorganisms, Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland. | 
	| PCU | Department of Microbiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand. | 
	| PDDCC | See ICMP. | 
	| PRL | Prairie Regional Laboratory, Saskatoon, Canada. | 
	| PTCC | Persian Type Culture Collection, Iranian Research Organization for Science and Technology (IROST), Tehran, Iran. | 
	| PYCC | Portuguese Yeast Culture Collection, C. R. M., New University of Lisbon, Lisbon, Portugal. | 
	| QM | Quartermaster Research and Development Center, US Army, Natick, MA, USA. | 
	| RBF | Raiffeisen Bioforschung, Tullun, Austria. | 
	| RIA | Research Institute for Antibiotics, Moscow, Russia. | 
	| RIB | National Research Institute of Brewing, Tax Administration Agency, Higashihiroshima, Hiroshima, Japan. | 
	| RIFY | Research Institute of Fermentation, Yamanashi University, Kofu, Yamanashi, Japan. | 
	| RIMD | Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan. | 
	| RMF | Rocky Mountain Herbarium, Fungi, University of Wyoming, Laramie, WY, USA. | 
	| RTCI | Research Laboratories, Takeda Chemical Industries Ltd., Japan. | 
	| RV | Collection of Leptospira Strains, Istituto Superiore di Sanita, Roma-Nomentano, Italy. | 
	| SEMIA | Rhizobium Culture Collection, Fundacão Estadual de Pesquisa Agropecuária (FEPAGRO), Porto Alegre, Brazil. | 
	| SN | See AMP. | 
	| SRRC | Southern Regional Research Center, Agricultural Research Service, US Department of Agriculture, New Orleans, LA, USA. | 
	| SSI | Statens Serum Institut, Copenhagen, Denmark. | 
	| TAMA | Mycology & Metabolic Diversity Research Center, Tamagawa University Research Institute, Machida, Tokyo, Japan. | 
	| TBRC | Thailand Bioresource Research Center, National Center for Genetic Engineering and Biotechnology (BIOTEC), Khlong Luang, Pathumthani, Thailand. | 
	| TI | Herbarium of the Department of Botany, Faculty of Science, University of Tokyo, Tokyo, Japan. | 
	| TIMM | Institute of Medical Mycology, Teikyo University, Hachioji, Tokyo. | 
	| TISTR | Thailand Institute of Scientific and Technological Research, Bangkok, Thailand. | 
	| TKBC | Institute of Biological Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan. | 
	| TMC | Trudeau Mycobacterial Culture Collection, Trudeau Institute, Denver, CO, USA. | 
	| TMI | Tottori Mycological Institute, Japan Kinoko Research Center Foundation, Tottori, Japan. | 
	| TMW | Technische Mikrobiologie Weihenstephan, Technische Universität München, Lehrstuhl für Technische Mikrobiologie, Freising, Germany. | 
	| TRTC | Royal Ontario Museum Fungarium, Toronto, Canada. | 
	| UAMH | University of Alberta Mold Herbarium and Culture Collection, Edmonton, Canada. | 
	| UBC | University of British Columbia, Vancouver, B.C., Canada. | 
	| UBOCC | Université de Bretagne Occidentale Culture Collection, Brest, France. | 
	| UC | Upjohn Culture Collection, The Upjohn Co. Kalamazoo, MI, USA. | 
	| UCCCB | University of Coimbra Bacteria Culture Collection, University of Coimbra, Coimbra, Portugal. | 
	| UCD | Phaff Yeast Culture Collection, Department of Food Science and Technology, University of California, Davis, CA, USA. | 
	| UCL | Catholic University of Louvain, Brussels, Belgium. | 
	| UCM | Ukrainian Collection of Microorganisms, Zabolotny Institute of Microbiology and Virology, Kiev, Ukraine. | 
	| UNIQEM | Unique and Extremophilic Microorganisms Collection of Winogradsky Institute of Microbiology RAS, Moscow, Russia. | 
	| UNSW | University of New South Wales Culture Collection, The Culture Collection, School of Microbiology and Immunology, University of NSW, NSW, Australia. | 
	| UPSC | Fungal Culture Collection at the Botanical Museum, Uppsala University, Uppsala, Sweden. | 
	| UQM | See ACM. | 
	| USCC | University of Surrey Culture Collection, Department of Microbiology, University of Surrey, Guilford, UK. | 
	| USDA | United States Department of Agriculture, Beltsville, MD, USA. | 
	| UWO | University of Western Ontario, Ontario, Canada. | 
	| VIAM | Institute of Applied Microbiology, University of Agricultural Sciences, Vienna, Austria. | 
	| VKM | All-Russian Collection of Microorganisms, Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino, Moscow Region, Russia. | 
	| VKPM | Russian National Collection of Industrial Microorganisms, Institute of Genetics and Selection of Industrial Microorganisms, Moscow, Russia. | 
	| VPB | Veterinary Pathology and Bacteriology Collection, University of Sydney, New South Wales, Australia. | 
	| VPI | Anaerobe Laboratory, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA. | 
	| VTCC | Vietnam Type Culture Collection, Center of Biotechnology, Vietnam National University, Hanoi, Vietnam. | 
	| VTT | VTT Culture Collection, VTT Technical Research Center of Finland, Finland. | 
	| VUT | School of Veterinary Medicine, Faculty of Agriculture, University of Tokyo, Tokyo, Japan. | 
	| WAL | Wadsworth Anaerobe Laboratory, Wadsworth Hospital Center, Veterans Administration, Wilshire and Sawtelle Blvds., Los Angeles, CA, USA. | 
	| WB | Department of Bacteriology, University of Wisconsin, Madison, WI, USA. | 
	| WFPL | Western Forest Products Laboratory, Vancouver, British Columbia, Canada. | 
	| WSF | Wisconsin Soil Fungi Collection, Madison, WI, USA. | 
	| YBLF | Yamanouchi Pharmaceutical Co., Ltd., Tokyo, Japan. | 
	| YFI | See RIFY. | 
	| YIM | Yunnan Institute of Microbiology, School of Life Sciences, Yunnan University, Kunming, Yunnan, China. | 
	| ZIM | Collection of Industrial Microorganisms, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia. |