Bent Creek Institute - Germplasm Repository

Biodiversity Heritage Library (you may search BHL for links to Lloyd Library and other related pubilcations)

Botanical Research Institute of Texas (BRIT)

Botanical Society of America - Ohio References

Botanicus.org (a free web-based encyclopedia of historical botanical literature and authors from the Missouri Botanical Garden Library)

Botany Encyclopedia of Plants and Gardening

Brooklyn Botanic Garden

Colchicum autumnale historical resources (from an article in Lloydiana)

e-journals.org - Botany and Plant Biology

epic - electronic plant information centre

Fungal Planet

Green Pharmacy

Hunt Institute for Botanical Documentation

The Huntington Botanical Gardens

Index Nominum Genericorum (Plantarum)

Integrated Taxonomic Information System

The International Herb Association

The International Plant Names Index

Kingdom of Fungi (with photo identification of numerous species)

Lady Bird Johnson Wildflower Center

The Linnaen Society

McIlvainea: Journal of American Amateur Mycology

Meyer and Castelli Acquisitions (from Lloydiana)

Missouri Botanical Garden

Morel Mushroom Information

Morton Arboretum plant database

New York Botanical Garden

Ohio Natural Heritage Database

Plant Explorer

Plant Information Online

Plants for a Future

Royal Botanic Gardens, Kew

Species 2000

United Plant Savers

USDA Plants Database

US National Fungus Collections Database

Virtual Foliage at U. of Wisconsin

vPlants - virtual herbarium (Chicago area)

WikiGardens (This site is user edited, so keep that in mind when using it)

Wild Ones, Cincinnati Chapter