Center for Plant Health Science Technology
The scientific support organization for the Plant Protection and Quarantine (PPQ) division of the Animal and Plant Health Inspection Service (APHIS). Works to identify and evaluate pathways used by invasive plant pests and weeds that threaten American agriculture and natural resources.
http://cphst.aphis.usda.gov/

Aquatic Plant Management Society
This international organization is a respected source of expertise in the field of biological, mechanical, and chemical aquatic plant management and aquatic plant species.
http://www.apms.org/

International Society of Plant Pathology
Worldwide organization supporting the development and dissemination of knowledge about plant diseases and management. Includes links to national, regional and international associated societies.
http://www.isppweb.org/

North American Fruit Explorers
An organization of pomologists, nurserymen, orchardists, and amateur growers of fruits and nuts. Description of organization and membership information, links to local and plant-specific interest groups, list of nurserymen.
http://www.nafex.org/

European and Mediterranean Plant Protection Organization Bulletin
EPPO Bulletin: journal information, contents lists and abstracts on the Blackwell Publishing website.
http://www.blackwellpublishing.com/journal.asp?ref=0250-8052

South Florida Aquatic Plant Management Society
Non-profit organization with interests in aquatic weed and plant management, growth of aquatic plants, and restoration of wetlands.
http://www.sfapms.org

Glossary of Biotechnology and Genetic Engineering
Food and Agriculture Organization (UN)'s consolidated yet comprehensive list of terms and acronyms in applied biotechnology, especially plant and animal genetic resources,food quality and plant protection. About 5000 terms.
http://www.fao.org/DOCREP/003/X3910E/X3910E00.HTM#Toc

Institute of Plant Physiology at the Bulgarian Acadamy of Sciences
Acad. M. Popov Institute of Plant Physiology of the Bulgarian Academy of Sciences is a research centre for plant physiology and biochemistry in Bulgaria. The main research areas are plant growth and development, regulation of photosynthesis, plant mineral nutrition and plant water relations, and regulation of plant metabolism and gene expression.
http://www.bio21.bas.bg/ipp/

Miami University - Graduate studies in Botany
Information concerning topics such as plant anatomy, ecology, molecular biology, comparative morphology, plant physiology, plant systematics, taxonomy, and plant morphology.
http://www.cas.muohio.edu/botany/

Latec Instruments Inc.
Latec Instruments Inc. is a manufacturing and distribution company specializing in laser-based alignment systems for general construction, road building, mining and drainage. Some of the products include: LL500G Slope Laser, LevelMaster Slope Control System, the Snap Combination Laser Receiver and more
http://www.latec.on.ca/