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North America

Bishop Museum Botany Page (Hawaii)
Contains a searchable database of the herbarium's type specimens.

California Plant Names, Word Meanings, and Name Derivations
Ever wondered what those hard to pronounce Latin epithets mean? This site will tell you.

The CalFlora Database
Awesome site, if you are into Western plants. Contains over 22,000 images and a common names database. You can even search by flower color.

Canadian Botanical Conservation Network
Contains current information about the CBCN's member botanical gardens and arboreta. In French and English.

Discover Life
This non-profit's first mission is a comprehensive study of all living things in the Great Smoky Mountains National Park.

Flora of the Hawaiin Islands
A project from the Smithsonian Institution's Dept. of Systematic Biology, Botany Section. Contains a great Image Gallery of over 1100 images and a very nice Checklist feature that allows you to search by island, status, species among other things. Great site and very beautiful. Nice collection of links also.

Illinois Natural History Survey Herbarium Collection
Over 230,000 vascular plants, algae, and bryophytes, mostly from Illinois.

Index Seminum
Presented by Rancho Santa Ana Botanic Garden, this is a seed bank of mostly Californian species.

Kansas Wildflowers and Grasses
Search this site of great images by common name, scientific name, time of flowering, and morphological features. Also includes sections on bibliography and nomenclature.

Manoa Campus Plants
Contains beautiful images of plants growing on Hawaii's University of Hawaii-Manoa campus.

Missouri Department of Conservation
Read about the programs and research this agency is conducting.

Missouri Flora Website
Photographs and descriptions of the flowering and non-flowering plants of Missouri. Excellent images!

Missouri Native Plant Society
Promoting the enjoyment, preservation, conservation, restoration, and study of the flora native to Missouri. Check out their nice selections of images and online publications.

Missouri Ozark Forest Ecosystem Project
See what's new in this large-scale forestry study.

Missouriensis
Missouriensis is the Society’s open-source scientific journal containing articles relevant to Missouri plants and natural systems.

Natural Science Collections Alliance
The NSC supports natural science collections, their human resources, the institutions that house them, and their research activities for the benefit of science and society.

Neartica
A gateway to natural history, conservation, environment, education, family, geology, paleontology, ecology, evoluation, and systematics in North America.

Northern Prairie Wildlife Research Center
This is an up-to-date and complete resource for anyone interested in our prairies. Contains a database to over 1,000 free articles published in the last 20 years.

Ozarks Regional Herbarium
Department of Biology, Southwest Missouri State University.
This is a very comprehensive and useful site, containing several Bryophyte checklists, the Atlas of Missouri Vascular Plants, and a nice selection of Missouri and Ozark flora images.

Prairie Naturalist
The Prairie Naturalist (ISSN 2766-8096 online, ISSN 0091-0376 print) is a peer-reviewed journal that publishes original articles and notes focused on natural history research in the North American Great Plains.

San Diego Natural History Museum
Beautiful and informative site. Botany is located under the Research link.

U.S. Fish and Wildlife Service
Contains information about the Endangered Species Act and the National Wetlands Inventory.

U.S.G.S. Biological Resources
Contains links to Current Projects, Publications, a Photo Gallery and Kid's Corner.

Wildflowers of the Northeastern and Northcentral U.S.A.
This is a very well done site with great images. Check out the links to other image pages. You can search by common or scientific name.