Angiosperms:
The Flowering Plants
If you ever wanted to know about the Angiosperms, look here. Very comprehensive
Encyclopedia Brittanica article. The index
may be helpful in navigating this large article.
The Bromeliaceae
Web Pages
Meet members of the pineapple family that has a lot more to it than just pineapples.
Not a flashy Web p-age, but still full of good information and some nice pictures.
Classification
of Flowering Plants
A loosely contructed classification based various recently published phylogenetic
analyses. Constructed by Kåre Bremer, Birgitta Bremer, & Mats Thulin.
Classification
of Plants
A moderately in-depth look at the classification of plants, including all the organisms
traditionally studied by botanists (i.e. bacteria, protists, fungi, algae, and green
plants). The site is poorly constructed, but useful if you start from the page referenced
here.
Concordance
of Family Names
A quick searchable database for family names and their alternative uses by
Cronquist, Dahlgren, Reveal, Takhtajan and Thorne.
Dictionary of
Botanical Epithets
A nice online dictionary of Latin plant names. A work in progress, but still worth a
look if you are interested in the true meanings of those pesky Latin names
Echinocereus
Online
This is for true cactus fans. Lots of pictures and information
galore.
Flora of North America
Digital Library
The Flora of North America Project is preparing a flora that will contain all the vascular
plants of North America. Learn more about the project and actually view portions of the
flora, including identification keys and figures. Be sure your browser can handle frames
if you view portions of the flora.
The Flowering
Plant Gateway
Intended to relates internet data developing for flowering plant families to
stable taxonomic structures. The resulting systematic data matrix can be used to find
information on any flowering plant family.
Ginkgo biloba
Visit this site which must have more information on this fascinating tree
than any site I've seen.
Green
Plants (Tree of Life)
Learn about the evolutionary relationships among the green plants. Fairly technical with
extensive bibliographies and definitive discussions, but still should be interesting to
anyone interested in plant evolution. The site is still under construction, but what is
completed is well done.
Lichen Land
Meet some lichens (organisms that are half algae and half fungus).
View lichens based on their characteristics. If you are more advanced try this link
instead (no picture guides). Graphics intensive, so can take time to download.
Natural Perspective: Plant
Kingdom
A nicely constructed overview of the plant kingdom with a generous collection of images.
Recommended to any beginning student of plant classification.
Provisional Global Plant
Checklist of International Organization for Plant Information
A world-wide checklist of plant names currently containing 160,000 names. Eventually will
contain 300,000 species and 1,000,000 names. This list is an important tool for plant
taxonomists and conservationists. All names are in Latin.
TreeGuide: The
Natural History of Trees; Taxonomy
A brief treatment of the classification of trees.
Vascular
Plant Family Nomenclature
A useful reference for anyone trying to sort out valid family names.
Whachamacalit?
You Had to Ask!
A humorous guide to common plant names hosted by Sexy Bloomers.
World Wide
Flowering Plant Family Identification
a Web-based version of the Hansen and Rahn punched card system for flowering
plant family identification. Select from a list of 174 morphological characteristics and
six geographical regions.
Elsewhere on About.com 
