Provides options of searching for scientific journal articles:

• Searching the NAL Catalog (AGRICOLA)
• Google Scholar
• Other Scholarly Search Resources

Searching the NAL Catalog (AGRICOLA)

The NAL Catalog (AGRICOLA) is a free bibliographic database maintained by the National Agricultural Library which contains citations for scholarly journal articles in its Article Citation Database.

Following is a list of subject headings used by the Article Citation Database that may relate to invasive species. Be aware that these are standardized vocabulary terms taken from the NAL Thesaurus and Glossary. The search form also offers the option of natural language "Title" or "Keyword" searches.

• General Subject Headings
  • ecological invasion
  • introduced species
  • invasive species
    
    
• Plant and Weed Subject Headings
  • aquatic weeds
  • grass weeds
  • integrated weed management
  • introduced plants
  • noxious weeds
  • weed control
  • weeds
    
    
• Pest-Related Subject Headings
  • insect pests
  • integrated pest management
  • pests

Google Scholar

Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: peer-reviewed papers, theses, books, abstracts and articles, from academic publishers, professional societies, preprint repositories, universities and other scholarly organizations. Google Scholar helps you identify the most relevant research across the world of scholarly research.

Other Scholarly Search Resources

Aquatic Plant Information Retrieval System (APIRS)
University of Florida. IFAS. Center for Aquatic and Invasive Plants.
Bibliographic database containing citations for research articles on aquatic, wetland, and invasive plants. Created by the Center for Aquatic and Invasive Plants, University of Florida.

HighWire Press
Stanford University.
Database of freely available abstracts and fulltext articles from peer-reviewed journals, with a focus on the life sciences.

Plant Management Cross-Journal Search
Plant Management Network International.
Cross-journal search of agricultural and applied plant science information.

PubMed
DHHS. NIH. National Library of Medicine.
Offers citations and abstracts from biomedical journals. PubMed Central also contains fulltext articles. See BioMedSearch for an enhanced version of the NIH PubMed search that combines MedLine/PubMed data with data from other sources to make the most comprehensive biomedical literature search available. BioMedSearch also provides advanced account features that allow saved searches, alerts, saving documents to portfolios, commenting on documents and portfolios, and sharing documents with other registered users.

Scirus
Scirus.com.
Science-specific search engine created by Elsevier.

Sea Grant Nonindigenous Species Peer-Reviewed Literature
Purdue University. Sea Grant Nonindigenous Species Site.
Search peer-reviewed literature as well as gray literature.