Choose one of the categories above for a list of plant-related websites. Selected websites are all non-commercial, without advertisements, and free-access sites. The links provided have all been checked as of March 1, 2018; however, websites are occasionally moved or deleted without notice by the authors or sponsoring agency. If you do encounter a link that no longer works or a website that has changed location, please report the problematic link to the NOPD so that we can update the link.

Glossaries & Dictionaries

Bryological Glossary

A glossary of bryophyte terminology from the Missouri Botanical Garden's Bryology website.

Dictionary of Botanical Epithets

A long-standing website that provides the meanings, derivation, stem, and gender of specific epithets (the 2nd word in a species name).

Glossary of Pteridophytes Terminology

A glossary on terms used to describe ferns and fern-allies, from the Cofrin Center for Biodiversity, University of Wisconsin-Green Bay.

Glossary of Terms Relevant to the Identification of Trees and Shrubs

A glossary on terms used to describe wood plants, from the Cofrin Center for Biodiversity, University of Wisconsin-Green Bay.

Lexique Botanique Anglais-Français

A glossary of English botanical terms with French definitions.

Lexique Français de Termes Botaniques

An excellent glossary of French botanical terms with French definitions. A great aide to those trying to improve their bilingual vocabulary.

Lichen Vocabulary

An introduction to lichen morphology and terminology, from the Lichens of North America website.

Systematic Treatment of Fruit Types

Based on the 1994 publication of the same title by Richard W. Spjut, published in Memoirs of the New York Botanical Garden, vol. 70: 1-181. A new, more complex classification of fruits than the classification provided by Radford et al. (1974), below. Still being debated by the scientific community.

Vascular Plant Systematics Glossary

An online glossary from the classic Vascular Plant Systematics text by Albert E. Radford et al. (1974), with clear diagrams illustrating the concise descriptions, arranged according to category. This online version is an indispensable reference for all botanists, since the original 891 page text is, sadly, out of print.