CAB Database of Plant Science
Contains abstracts of internationally published scientific research.
Dr Duke's Phytochemical and Ethnobotanical Databases
Does database searches of the ethnobotanical uses and chemical activities in plants.
Drug Digest Interaction Checker
A database where consumers can check to see if they may be taking a potentially harmful combination of herbal supplements, over-the-counter medications, and prescription drugs.
Food and Agriculture Organization of the United Nations
Harvard University Herbaria & Libraries
Henriette's Herbal Homepage
One of the oldest and largest herbal information sites on the web.
HerbMed is the consumer version of HerbMedPro. With limited access to the full database, HerbMed provides open access to close to 60 herb records that rotate regularly and provide curated access to traditional and scientific information on each herb.
La Guilde des Herboristes
The Guild of the Herbalists is a Quebecois organization without lucrative goal that regroups the professionals and the amateurs of the herboristerie and the medicinal plants.
MD Anderson - Integrative Medicine Program
Up to data reviews on the evidence and safety for the use of herbs, supplements, vitamins and minerals as well as other complementary medicine modalities.
A relational database of all natural products, including ethnomedical information, pharmacological/biochemical information of extracts of organisms in vitro, in situ, in vivo, in humans (case reports, non-clinical trials) and clinical studies. Similar information is available for secondary metabolites from natural sources.
United States National Library of Medicine
This site provides extensive links to Health Information, Library Services, Research Programs, New and Noteworthy health related issues, and General Information.
The Tropicos database links over 1.33M scientific names with over 4.87M specimens and over 685K digital images. The data includes over 150K references from over 52.6K publications offered as a free service to the world’s scientific community.