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/

Plant Pathology Internet Guide Book
The Plant Pathology Internet Guide Book is intended as a starting point for scientists to explore the net and to help them in finding plant pathology sites on the net. It is diveded into thematic sections. The site is updated every week or immidiatly after a new link was submitted. The users are invited to send new links or to give feedback via an on-line form. The pages are mantained by Thorsten Kraska at the Institute for Plant Diseases and Plant Protection
http://www.pk.uni-bonn.de/ppigb/ppigb.htm

The Center for Invasive Plant Management
A directory to weed and invasive plant identification, management, and control information; weed meetings, grants, noxious weed lists, and more.
http://www.weedcenter.org/

Real Time eXecutives
Plant Information (PI), Plant Information Networking (PIN), and Plant Information Management (PIM) System value supplier. Improves use of process and manufacturing information.
http://www.rtx.com/

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

Tree-of-Heaven (Ailanthus altissima)
Description of the plant, its distribution and the problems it causes, plus detailed information on management techniques. From the Plant Conservation Alliance.
http://www.nps.gov/plants/alien/fact/aial1.htm

Colorado Natural Areas Program
Information on Colorado native plant communities, geologic formations, paleontological localities and habitat for rare plants or animals, native plant revegetation guide, wetlands best management practices, research grant information, and weed management.
http://parks.state.co.us/NaturalResources/CNAP/

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/

The Hayo Consultants
Management consulting firm that specializes in the areas of Maintenance Management, Materials, Asset Management & Plant Operations Improvement.
http://www.hayoconsultants.com

WeaverTechs, Ltd
UK. Consultant to the textile and nonwovens industry. Plant energy evaluations. Design and management services for plant energy optimization projects.
http://www.users.globalnet.co.uk/~tweaverwtl/