Articles, conference papers, and books on biological and biomedical topics, Literature reviews. [1926 - present]
Agricultural literature and from more than 100 countries. [1910 - present]
Journal articles and books on a wide variety of environmental topics. [1888 - present]
Biomedical literature citations from MEDLINE, journals, mbooks. [1950 - present]
Journals, conference proceedings, trade publications, and book series+.
Web of Science
Best for article and cited reference searching. [1900 - present]
Full-text articles, Current issues from journals (most recent 3-5 years) may not be available in JSTOR.
JSTOR Global Plants
Community-contributed database of high resolution plant type specimen images and other materials from herbaria around the world.