Herbarium Resources



  • Austin Peay State University Herbarium (APSC), Clarksville: 50,000 specimens
  • East Tennessee State University Herbarium (ETSU), Johnson City: 17,000 specimens
  • Great Smoky Mountains National Park Herbarium (GSMNP), Gatlinburg: 7,700 specimens
  • Tennessee Tech University: Paul Hollister Herbarium (HTTU), Cookeville: 25,000 specimens
  • Lincoln Memorial University Herbarium (LNCN), Harrogate: 5,400 specimens
  • Middle Tennessee State University Herbarium (MTSU), Murfreesboro: 22,000 specimens
  • Rhodes College Herbarium (SWMT), Memphis: 9,000 specimens
  • University of Tennessee, Knoxville Herbarium (TENN), Knoxville: 550,000 specimens
  • University of Tennessee, Chattanooga Herbarium (UCHT), Chattanooga: 30,000 specimens
  • The University of the South: Sewanee Herbarium (UOS), Sewanee: 6,700 specimens
  • Vanderbilt University Herbarium (VDB), now located at BRIT in Fort Worth, Texas: 300,000 specimens





International Code of Nomenclature for algae, fungi, and plants (Shenzhen Code)
The Code is the set of rules and recommendations dealing with the formal botanical names that are given to plants, fungi and a few other groups of organisms. It was updated with the Shenzhen Code in 2016.

Tropicos was originally created for Missouri Botanical Garden research but has since been made available to the world's scientific community. All of the nomenclatural, bibliographic, and specimen data accumulated in their electronic databases during the past 25 years are publicly available here. This system has over 1.2 million scientific names and 4.0 million specimen records.

World Checklist of Selected Plant Families
An international collaborative program that provides the latest peer reviewed and published opinions on the accepted scientific names and synonyms of selected plant families. It allows you to search for all the scientific names of a particular plant, or the areas of the world in which it grows (distribution).

World Flora Online
The World Flora Online provides the most widely accepted Latin name for most species, with links to all synonyms by which that species has been known. This collaboration between the Royal Botanic Gardens, Kew and the Missouri Botanical Garden aims to be comprehensive for species of vascular plants and bryophytes.

International Plant Names Index
A database of the names and associated basic bibliographical details of seed plants, ferns, and lycophytes. It doesn't provide information on what are currently accepted names and what are taxonomic (i.e. heterotypic) synonyms.

Angiosperm Phylogeny Group  Now in its third version, APG III is being created by systematic botanists to form a consensus on the taxonomy of plants through the use of phylogenetic studies.

ILDIS World Database of Legumes

Global Compositae Checklist



Flora of North America (efloras)
Information on the names, taxonomic relationships, continent-wide distributions, and morphological characteristics of all plants native and naturalized found in North America north of Mexico.

The Gymnosperm Database
In-depth descriptions of all the families, genera, and species of gymnosperms. For each species, author Chris Earle provides information on classification, description, ecology, ethnobotany, and various other topics of interest.

Brassicaceae Interactive Key
Interactive keys for the identification of genera and species of the mustard family. JAVA required.



Botanicus is a freely accessible portal to digitized historic systematic botanical literature from the Missouri Botanical Garden Library.

Biodiversity Heritage Library
The Biodiversity Heritage Library (BHL) is a consortium of natural history and botanical libraries that cooperate to digitize the legacy literature.

Taxonomic Literature II (TL-2)
Database of the literature of systematic botany published between 1753 and 1940.



Tennessee Natural Heritage Program Rare Plant List (2016)
Tennessee Invasive Plant Council



American Society of Plant Taxonomists
International Association for Plant Taxonomy
Botanical Society of America
Association of Southeastern Biologists
Tennessee Academy of Science
Tennessee Native Plant Society
Southern Appalachian Botanical Society