The following search engines can be used to gather information on the natural history, morphology, distribution, and conservation status of most described plant species.
- UConn’s Department of Ecology & Evolutionary Biology (EEB) has a large herbarium and searchable database of all plant specimens in this collection.
- NatureServe’s Explorer is an authoritative source of information on more than 70,000 plants, animals, and ecosystems of the United States and Canada.
- The USDA Natural Resources Conservation Service PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the US and its territories.
- iNaturalist is a networking organization that allows civilian nature enthusiasts and researchers alike to share their observations, species counts and sightings, and other biological information, which is then compiled into a large database. The link is associated with the United States chapter, which is one small part of a global network. The website includes a species search engine.
- UConn’s College of Agriculture and Natural Resources Department of Horticulture also has a search engine function for its plant database.
- The USDA PLANTS database also has a large plant image gallery with a search engine function.