B:
Biomonitoring of Environmental Status and Trends (BEST) Program - Homepage for BEST Program research evaluating environmental contaminants and their effects on species and lands under stewardship of the Dept. of the Interior. Provides links to projects, data and products, and contacts [Department of the Interior, U.S. Geological Survey (USGS)]

C:
Center for Engineering Plants for Resistance Against Pathogen (CEPRAP) - Carries out research to understand the genetic basis for a plant's capability to resist pest attack and uses the tools of modern plant biotechnology to enhance those abilities [National Science Foundation (NSF), Science and Technology Centers (STC)]

Central Southwest Gulf Coast Information Node - Gateway to biological information for Arkansas, Louisiana, Oklahoma, Texas, and the Gulf of Mexico, including the coastal areas of Mississippi, Alabama, and Florida. [Department of the Interior, U.S. Geological Survey (USGS), National Biological Information Infrastructure]

Cereal Disease Laboratory (CDL) - Research on the biology of the pathogens that cause these diseases and on methods to enhance disease resistance in small grains [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Climate Change Atlas for 80 Forest Tree Species of the Eastern United States - [Department of Agriculture (USDA), Forest Service]

Crop Production and Pest Control Research Unit - Research on the biochemical, molecular, and genetic basis of insect resistance in small grains, resistance to fungal and viral pathogens in grain crops and soybeans, and of chemical constituents of soybean seeds [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

D:
Dendrome - A collection of forest tree genome databases and other forest genetic information resources [Department of Agriculture (USDA), Forest Service]

F:
Forage and Range Research Laboratory (FRRL) - Research efforts are focused on broadening the genetic base of rangeland and pasture plants for upgrading lands in the western United States [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Foreign Disease-Weed Science Research Unit - Research focuses primarily on new or emerging plant pathogens which are not yet established in the U.S. and which must be kept under containment. [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

G:
Germplasm Resources Information Network (GRIN) Taxonomy - Data providing the structure and nomenclature for the accessions of the National Plant Germplasm System [Department of Agriculture (USDA)]

GrainGenes 2.0 - A small grains and sugarcane genetic database [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

H:
Harmful Algal Blooms (HABs) - Provides information on Red Tides. [Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Centers for Coastal Ocean Science]

Hopkins U.S. System Index (HUSSI) - A collection of notes on thousands of insect and damage specimens from forests or wood products [Department of Agriculture (USDA), Forest Service, Forestry and Range Sciences Laboratory]

Horticultural Crops Research Laboratory - Develops fundamental information on pathology, insect pests, physiology, genetics, and production of horticultural crops [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

I:
Integrated Taxonomic Information System (ITIS) - Offers an easily accessible database with reliable information on biological species names and their hierarchical classification. [Department of the Interior, U.S. Geological Survey (USGS), National Biological Information Infrastructure; Ad Hoc Organizations, Smithsonian Institution]

International Tree-Ring Data Bank - Includes raw ring width or wood density measurements, and site chronologies (growth indices for a site) [Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA)]

Invasive Plant Research Laboratory - Sustainable management strategies for control of aquatic and wetland weeds [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Invasive Weed Management Unit - Develops improved weed management systems that are efficient and environmentally safe [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

L:
Life Sciences Data Archive (LSDA) - Contains information and data from space flight experiments including human, animal and plant studies [National Aeronautics and Space Administration (NASA), Jet Propulsion Laboratory (JPL)]

N:
NEWTON BBS - Ask a scientist a question about math, science or computers or search through more than 15,000 previously answered questions [Department of Energy (DOE), Argonne National Laboratory (ANL)]

National Agricultural Pest Information System (NAPIS) - Offers detailed information about various insect and plant pests [Department of Agriculture (USDA)]

National Center for Genetic Resources Preservation (NCGRP) - Preserves the base collection of the National Plant Germplasm System and conducts research to develop new technologies for preservation of seed and other propagules of plant genetic resources [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

National Clonal Germplasm Repository for Citrus and Dates (NCGR) - Provides the genetic diversity necessary to improve citrus, related genera, and date productivity [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

National Clonal Germplasm Repository for Fruit and Nut Crops - Collects, maintains, characterizes, documents, and distributes plant germplasm from all over the world [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

National Plant Germplasm System (NPGS) - Acquires, preserves, evaluates, documents, and distributes crop germplasm [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

National Plants Database - Search a single source of standardized information about plants [Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS)]

Natural Products Utilization Research Unit (PPUR) - Research on discovering natural products for use in agricultural pest management, with emphasis on pest management agents derived from plants [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Nonindigenous Aquatic Species (NAS) - A national information resource for locating biogeographic accounts of nonindigenous aquatic species in the U.S. Provided are scientific reports, online/realtime queries, spatial data sets, regional contact lists, and general information [Department of the Interior, U.S. Geological Survey (USGS)]

P:
Photosynthesis Research Unit (PRU) - Investigates critical steps in photosynthesis as well as in-plant nutrient distribution [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Plant Gene Expression Center (PGEC) - Conducts research in plant molecular biology [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Plant Protection Research Unit (PPRU) - Develops new innovative methods to protect crops from pest damage and develops crop production system that improve crop's yield and soil productivity [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Plant Science Research Unit - Researches the processes controlling increased production, improved quality, and enhanced use of crops and to develop germplasm and crop management schemes [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Poisonous Plant Database - Provides a list by author of scientific information about the animal and human toxicology of vascular plants of the world [Department of Health and Human Services (HHS), Food and Drug Administration (FDA)]

Poisonous Plant Research Laboratory (PPRL) - Identifies toxic plants, determines the mechanism of toxicity, develops diagnostic and prognostic procedures, and develops management strategies, antidotes, and treatments [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Pollinator Declines - An NBII Information Node [Department of the Interior, U.S. Geological Survey (USGS), National Biological Information Infrastructure]

S:
Sea Grant Nonindigenous Species Site (SGNIS) - Information center on zebra mussels and other aquatic nuisance species [Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA)]

Small Grains and Potato Germplasm Research Unit - Concerned with potato and small grains germplasm enhancement and cultivar development, the small grains effort focusing on barley and oats [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Soft Wheat Quality Research Unit (SWQL) - Research deals with the genetic bases for the physical and biochemical determinants of milling and end-use qualities of eastern soft winter wheat [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Soybean/Maize Germplasm, Pathology, and Genetics Research Unit - Home site for this Agricultural Research Service's unit. [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

U:
U.S. Horticultural Research Laboratory - Research on disease and pest control methods for citrus crops [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

U.S. National Arboretum - Conducts wide-ranging basic and developmental research on trees, shrubs, and floral plants [Department of Agriculture (USDA), Agriculture Research Service (ARS), Beltsville Agricultural Research Center]

US Dairy Forage Research Center (USDFRC) - Studies yields and quality of forage and maximizing use of forage nutrients by the dairy cow for milk production [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

V:
Vegetable Crops Research Unit (VCRU) - Investigate the genetics, cytology, cytogenetics, and breeding strategies of vegetable crops [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Vegetation Mapping Program, USGS-National Park Service (NPS) - A cooperative effort to classify, describe, and map vegetation communities in over 270 U.S. national park units with links to overview, standards, products, and applications [Department of the Interior, U.S. Geological Survey (USGS), National Biological Information Infrastructure (NBII)]

W:
Weeds Gone Wild: Alien Plant Invaders of Natural Areas - Provides information on the serious threat and impacts of invasive alien (exotic, non-native) plants to the native flora, fauna, and natural ecosystems of the United States [Ad Hoc Organizations, Plant Conservation Alliance]