The Classification of Organisms:

1. Basics: Classification, Nomenclature, and Key Making Texas A&M Bioinformatics Working Group
2. Prokaryotes, Eukaryotes, Symbiotic Theory Georgia Perimeter College
3. Classification of Living Things Dennis O'Neil, Ph.D. Palomar College San Marcos, California
4. Animal Diversity Web University of Michigan
5. Exercise in Basic Taxonomy: Classification-Nomenclature - Indentification
6. Winter Tree and Shrub Key Texas A&M Bioinformatics Working Group
7. CSUBIOWEB Fruit Key California State University
8. Animal Diversity-Try Ouestion 1 Jon C. Glase at Cornell University
9. Journey into the World of Phylogenetic Systematics University of California, Berkeley
10. Biology 120 Plant and Animal Phylogeny Exercise Rebecca Irwin, University of Tennessee
11. Kingdom Monera Frances M. Cardillo
12. 

Eubacteria:

1. Excellent Resource for all types of Disease Causing Bacteria UT - Houston Medical School
2. Bacterial Strucuture Timothy Paustian, University of Wisconsin-Madison
3. Bacteria Divide and Multiply Cells Alive
4. How Bacteria Swim and Tumble Cells Alive
5. Gram-negative Walls - Cocci, Spirochetes, Rickettsias, Chlamydias, Myxobacteria, Cyanobacteria.
6. Lyme Disease (Borrelia burgdorferi) University of Wisconsin-Madison
7. Cyanosite Biological Sciences at Purdue University
8. Enterobacteriaceae- E.coli, Salmonella and others. UT - Houston Medical School
9. Introduction to the Cyanobacteria - University of California, Berkeley
10. Gram-positive Walls - Cocci, rods, Lactic acid bacteria, Mycobacteria, Actinomycetes
11. Streptococci Kill White Blood Cells Cells Alive
12. Gram-Positive Cocci UT - Houston Medical School
13. Gram-Positive Rods UT - Houston Medical School
14. The Mycobacteria - Ducks of the Microbial World University of Cape Town
15. Lab Methods -Biochemical Tests, Media, Techniques UT - Houston Medical School
16. 

Archeobacteria - Methanogens, Halobacteria, Thermoacidophiles

1. Picture Gallery of Extremophiles
2. Microbial Life in Hyperthermal Environments Why Files
3. Life in Extreme Environments Astrobiology Web
4. Archaea University of California, Berkeley
5. Astrobiology and Life Science - Extremophiles SpaceRef.com
6. 

Algae:

1. Centex Naturalist - Algae
2. Steve Durr's Homepage.
3. The Harmful Algae Page - Excellent Site on Red Tide
4. Introduction to the Dinoflagellata - Red Tide University of California, Berkeley
5. Dinoflagellates University of Calgary, Dept. of Geology and Geophysics
6. Introduction to the Chromista University of California, Berkeley
7. Introduction to the Bacillariophyta - Diatoms University of California, Berkeley
8. Diatoms - Every wonder? Earthguide
9. Center for Algal Microscopy and Image Digitization Bowling Green State University
10. Photosynthetic Pigments University of California, Berkeley
11. Chlorophyta (Green algae) University of California, Berkeley
12. Introduction to the Rhodophyta -The red "algae" University of California, Berkeley
13. Marine Algae- Described Photos Sonoma State University
14. Introduction to the Phaeophyta -Kelps and brown "algae" University of California, Berkeley
15. 

Protozoan

1. Parasitology Tutorial Public Health for Northern Alberta
2. Protozoan-Parasites Cells Alive
3. Medical Protozoology Tulane University
4. Introduction to the Apicomplexa University of California, Berkeley
5. Introduction to the Foraminifera University of California, Berkeley
6. Introduction to the Ciliata University of California, Berkeley
7. 

Slime Molds:

1. Introduction to the Slime Molds University of California, Berkeley
2. Photos of Myxomycete Sturctures University of Arizona
3. Fun with Fungi -Lower Fungi Koning, Ross E., Plant Physiology Website
4. Internet Guide to Myxomycetes Photographs by Michel Poulain.
5. Plasmodial & Cellular-Slime Molds Frances M. Cardillo
6. Physarum polycephalum and Other Acellular Slime Molds
7. Photos of various Oomycota (Water molds) Structures. University of Arizona
8. Introduction to the Oomycota University of California, Berkeley
9. Saprolegnia water mold forming large white masses on salmon. Frances M. Cardillo
10. 

Phylum Zygomycota: Black Bread Mold

1. Zygomycota - Microscopic 'Pin' or 'Sugar' Molds Tree of Life
2. Mycology.com
3. Fun Facts about Fungi University of Michigan
4. Photos of Various Zygomycota Structures University of Arizona
5. Phungophobe's Phear -- "Higher Fungi" Koning, Ross E., Plant Physiology Website
6. 

Phylum Basidiomycota (Club Fungi):

1. Excellent -Tom Volk's Fungi (Check out the Fungus of the Month Pages) University of Wisconsin
2. Edible and Poisonous Mushroom by Barbara Bassett Naturalist Jefferson City, Mo.
3. Subdivision Basidiomycotina - The Club Fungi Frances M. Cardillo
4. Fungi Perfecti ONLINE Paul Stamets and Fungi Perfecti LLC
5. Basidiomycota -The Club Fungi Tree of Life
6. Order: Agaricales are your stereotypical mushroom Natural Perspective
7. Magic Mushrooms - Life Cycle Diagram Koning, Ross E., Plant Physiology Website
8. Clathrus: Latticed Stinkhorn (Clathrus ruber). Natural Perspective
9. Aphyllophorales: Do not have a stereotypical mushroom form Natural Perspective
10. MycoWeb
11. Lots of Photos (well organized) of Basidiomycota University of Arizona
12. 

Phylum Ascomycota (Sac Fungi): -
Yeasts, Powdery mildews, Molds, Morels, Truffles

1. Sac fungi produce spores inside cases (asci) Natural Perspective
2. Subdivision Ascomycotina - The Sac Fungi Frances M. Cardillo
3. Ascomycota - The Sac Fungi Tree of Life
4. Photos of various Ascomycota Structures University of Arizona
5. Classification and How Fungi are named Dr. George J. Wong, University of Hawaii
6. 

Phylum Deutromycota (Imperfect Fungi):

1. Photos of Various Deuteromycota Structures University of Arizona
2. Photos of Penicillin, etc. University of Wisconsin
3. 

Lichens:

1. Lichens - Four major growth forms Frances M. Cardillo
2. Lichens - Lots of Examples Natural Perspective
3. Introduction to Lichens -Click on buttons for details. University of California, Berkeley
4. Lichen Portrait Gallery Lichen.com
5. Centex Naturalist -Lichens
6. Fun with Lichens Oregon State University
7. 

Phylum Bryophyta (Mosses):

1. Facts about mosses - Characteristics and Life Cycle Frances M. Cardillo
2. Bryophyta - Life Cycle Rebecca Irwin, University of Tennessee
3. Mosses - Check out the menu items especially the photos Claranet
4. Moss Classification at the Rank of Subclass and Above Southern Illinois University at Carbondale
5. 

Phylum Hepatophyta (Liverworts):

1. Phylum (Bryophyta)- Classes: True Mosses (Musci), Liverworts (Hepaticae), and Hornworts (Anthocerotae) Natural Perspective
2. Division Hepaticophyta-Nonvascular -Liverworts Frances M. Cardillo
3. Liverworts - Check out the menu items especially the "Photos" Claranet
4. Liverwort Classification at the Rank of Subclass and Above Southern Illinois University at Carbondale
5. 

Phylum Anthrocerophyta (Hornworts):

1. Hornwort Classification Southern Illinois University at Carbondale
2. American Bryological and Lichenological Society
3. Introduction to the Anthocerotophyta - The hornworts University of California, Berkeley
4. 

Phylum Pterophyta (Ferns):

1. Ferns and Allies (Filicinophyta) Natural Perspective
2. American Fern Society-Check out Fern Biology
3. Phylum Pterophyta University of Wisconsin
4. Long Descriptive Page on Ferns Tree of Life
5. Non-Flowering Plant Family Access Page Dr. Gerald Carr, University of Hawaii
6. A Fern Resouce Manual for Culturing and Learning
7. 

Phylum Sphenophyta (Horsetails):

1. Introduction to the Sphenophyta University of California, Berkeley
2. Phylum Sphenophyta University of Wisconsin
3. Lower Vaseular Plants (Equisetophyta) Dr. Gerald Carr, University of Hawaii
4. Examples of Horsetails and Scouring Rushes: Frances M. Cardillo
5. 

Phylum Psilotophyta (Whisk Ferns):

1. Introduction to the Psilotales -The Whisk Ferns University of California, Berkeley
2. Phylum Psilotophyta University of Wisconsin
3. Non-Flowering Plant Family Access Page Dr. Gerald Carr, University of Hawaii
4. Division Psilophyta, Genus Psilotum Frances M. Cardillo
5. 

Phylum Lycophyta (Clubmosses):

1. Introduction to the Lycophyta University of California, Berkeley
2. Phylum Lycophyta University of Wisconsin
3. Lower Vascular Plants Dr. Gerald Carr, University of Hawaii
4. Clubmosses, Spikemosses, Quillworts Frances M. Cardillo
5. 

Gymnosperm Description:

1. Non-Flowering Plant Family Access Page Dr. Gerald Carr, University of Hawaii
2. Vascular Plant Image Gallery - TAMUTexas A&M Bioinformatics Working Group
3. The Naked Seeds of Pinus - Gymnosperm Reproduction Koning, Ross E., Plant Physiology Website
4. Gymnosperm Key University of Wisconsin - Green Bay
5. 

Phylum Coniferophyta:

1. Development of Pinus, Order Coniferales -Photos and descriptions Frances M. Cardillo
2. Conifer Photo Links Grand Valley Trails Association - Ontario
3. "Methuselah" at 4,725 year bristlecone Leonard Miller
4. Leaf tissues - conifer Frances M. Cardillo
5. Ground Tissue Systems - Conifer Frances M. Cardillo
6. Photo Gallery of Tree Rings Henri D. Grissino-Mayer's
7. 

Phylum Ginkgophyta:

1. The Ginkgo Pages Cor Kwant
2. Phylum Ginkgophyta University of Wisconsin
3. Ginkgophyta has one living member Frances M. Cardillo
4. 

Phylum Cycadophyta:

1. Phylum Cycadophyta University of Wisconsin
2. Description and Photos of Cycadophyta Dr. Gerald Carr, University of Hawaii
3. The fossil history of the Cycads extends back 200 million years Frances M. Cardillo
4. Introduction to the Cycads University of California, Berkeley
5. 

Phylum Gnetophyta:

1. Non-Flowering Plant Family Access Page Dr. Gerald Carr, University of Hawaii
2. Unique among the gymnosperms for having vessels in the xylem Frances M. Cardillo
3. Phylum Gnetophyta University of Wisconsin
4. 

Phylum Anthophyta:

1. Botany Lab Photo's and Exercises University of Wisconsin
2. Noble Foundation Plant Image Gallery
3. Navasota Flora by TAMU Herbarium Botanist, Monique Dubrule Reed
4. Division Magnoliophyta is the largest plant group on Earth. Frances M. Cardillo
5. Inflorescence in flowering plants Frances M. Cardillo
6. Life Cycles I, II, and III Frances M. Cardillo
7. Angiosperms vs GymnospermsTexas A&M Bioinformatics Working Group
8. Poisonous Plants
9. 

Class - Dicotyledon:

1. Woody Dicots Frances M. Cardillo
2. Herbaceous Dicots Frances M. Cardillo
3. Monocots versus Dicots University of California, Berkeley
4. Ground tissue systems - woody dicot Frances M. Cardillo
5. Secondary Dermal Tissue Frances M. Cardillo
6. 

Class - Monocotyledone:

1. Monocots Frances M. Cardillo
2. Monocots vs. DicotsTexas A&M Bioinformatics Working Group
3. Introduction to the Liliopsida University of California, Berkeley
4. Monocotyledons Tree of Life
5. Ground tissue systems - monocot Frances M. Cardillo
6. 

Angiosperm Reproduction:

1. Photographic Atlas of Plant Anatomy University of Wisconsin and Iowa State University
2. Fast Plants
3. Reproductive Parts of Flowering Plants Texas A&M Bioinformatics Working Group
4. III. Reproductive Morphology -Lots of Illustrative Diagrams
5. Pollination - Well organized an Illustrated. Koning, Ross E., Plant Physiology Website
6. Pollen and Embryo Sac Koning, Ross E., Plant Physiology Website
7. Seeds and Seed Germination Koning, Ross E., Plant Physiology Website
8. Artificial Vegetative Propagation Koning, Ross E., Plant Physiology Website
9. Natural Vegetative Propagation --Epiphyllous Bud Koning, Ross E., Plant Physiology Website
10. Fruit Growth and Ripening Koning, Ross E., Plant Physiology Website
11. Angiosperm Reproduction - Anther and Pollen Developoment Koning, Ross E., Plant Physiology Website
12. Angiosperm Reproduction -Ovule and Embryo Sac Development Koning, Ross E., Plant Physiology Website
13. 

Structure of Angiosperm Stems and Roots:

1. Henri D. Grissino-Mayer Ultimate Tree-ring Web Pages
2. A Year in the Life of a Tree
3. Meristems: Where plants grow Koning, Ross E., Plant Physiology Website
4. Characters of the Vegetative Parts of a Plant Texas A&M Bioinformatics Working Group
5. II. Vegetative MorphologyTexas A&M Bioinformatics Working Group
6. Various Plant Cell Structures Koning, Ross E., Plant Physiology Website
7. Pruning Koning, Ross E., Plant Physiology Website
8. Trace the pathway of minerals from soil IN-to root xylem Koning, Ross E., Plant Physiology Website
9. 

Structure of Angiosperm Leaves:

1. Trace the pathways of sugar out of the leaf Koning, Ross E., Plant Physiology Website
2. Important Features of Flowering Plants University of Hamburg
3. Section through a Leaf Nigel D Purchon
4. Leaf tissues Frances M. Cardillo
5. Leaf Images University of Wisconsin
6. 

Science News Sites:

1. Science Daily - Today's Headlines
2. Science News Why Files
3. 

General Biology Sites:

1. WHITTAKER FIVE KINGDOM SYSTEM Frances M. Cardillo
2. Botanical Society of America Online Image Collection
3. Invasivespecies.gov
4. nearctica-The Natural World of North America
5. Principles of Plant Biology American Society of Plant Biologists
6. Plants National Database
7. CENTEX NATURALIST -Jerry Evans
8. Digital Learning Center for Microbial Ecology
9. The New UCMP Web Lift at Berkeley University of California, Berkeley
10. Natural Perspective
11. Image Gallery University of Wisconsin
12. Department of Biology Herbarium - Texas A&M University Texas A&M Bioinformatics Working Group
13. Vascular Plant Family Access Page Dr. Gerald Carr, University of Hawaii
14. Texas Parks and Wildlife Nature Site
15. 

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2. Biology I Links Page