This search provided 137 matches. Results follow:

1. A Study of Plant Anatomy - Course notes for structural botany [Plant Anatomy Structural Botany, General Botany, Vascular Plant Morphology]
2. A Survey of the Plant Kingdoms - Pictorial survey of diversity [Tree of Life]
3. A typical plant cell - Clickable map and explanations [Introductory Cell Biology]
4. Ancient Bristlecone Pine [Dendrology, Trees, Wood, Systematics, Gymnosperm, Vascular Plant Morphology, Structural Botany, Specialty]
5. Angiosperm anatomy - Excellent introduction to plant anatomy of monocots and dicots [Plant Anatomy Structural Botany, Vascular Plant Morphology]
6. Apical Dominance - A physiological and morphological view [Plant Physiology]
7. APSnet - Plant Pathology Online - Plant pathology society and careers [Plant Diseases Phytopathology]
8. Aquatic Plants - line drawings [Illustrations, Art, Drawings, Images, Documentation, Systematics, Angiosperm, Specialty]
9. Arabidopsis Project WWW Manual [Cell and Molecular Biology, Plant Molecular Biology]
10. Artificial Vegetative Propagation - Tutorial on plant vegetative breeding [Plant Physiology]
11. ASU Photosynthesis Center - Explanations and exercises [General Botany, Elementary School, Plant Physiology]
12. Basic Classification of Fruits of Flowering Plants (Angiosperms) - Intro level description of fruit formation, types and dispersal [General Botany, Vascular Plant Morphology, Structural Botany]
13. Bio 332 Biology of Plants - at East CT State [General Botany]
14. BIODIDAC Picture Resources - Pictures of many groups for general botany, including fungi and algae - Color and B/W drawings of life histories for fungi, algae and 'higher' plants [Illustrations, Photographs, Images, Documentation]
15. BIOL 342 Plant Physiology - A model for Web class resources [Organizing Class Resources for the Internet, Plant Physiology]
16. bionet.plants bionet.plants | Archive [Usenet Newsgroups and Archives]
17. bionet.plants.education bionet.plants.education | Archive [Usenet Newsgroups and Archives]
18. BIOPAK -- Software for Computing Plant Biomass - FTP and FAQs [Ecology, Environment, General Internet Resources]
19. Biota of North America Program (BONAP) - Checklist to the North American vascular plant flora [Regional State, Systematics, Angiosperm]
20. Bot 403-Plant Evolution - Example of an course site with a slightly expanded syllabus [Paleontology, Paleobiology, Paleobotany, Evolution, Organizing Class Resources for the Internet]
21. Botanical.Com - Herbal Guide, old works, poison page [Medicinal Plants, Herbal information, Ethnobotany]
22. C-Fern - A Plant for Teaching and Research - Use of Ceratopteris fern as a model system for reproduction [General Botany, Systematics, Pteridology, Ferns, Pteridophytes]
23. California Native Plant Society [Specialty]
24. California's Coastal Plants [Specialty]
25. Carnivorous Plants Database - Everything you wanted to know [Angiosperm Database, Specialty]
26. Center for Plant Conservation - Information, pictures, a quiz and strategies [Elementary School, General Botany, Ecology, Environment]
27. Cold Spring Harbor Arabidopsis Molecular Genetics Course Manual - Exercises in plant gene expression and genetics (Cell and Molecular Biology]
28. Common Names for Plant Diseases - Database of plant crop hosts and their diseases [Plant Diseases Phytopathology, Angiosperm Database]
29. Corn Structure Atlas - light and SEM photographs of all phases of development of Zea mays [General Botany, Photographs, Plant Anatomy, Vascular Plant Morphology] - restructuring server 2/9/98
30. Cornell University's Poisonous Plant Page - Plants, active phytochemicals, animal affects and links [Medicinal Plants, Herbal information, Ethnobotany, Angiosperm Database, Specialty]
31. Cycads - Text and pictures [Vascular Plant Morphology, Structural Botany]
32. Directory of Plant-Related Links from around the World - a major Spanish-English bilingual site with nice taxon-related links [General Botany Resources, Major Links Site]
33. Do Plants Feel Pain? - Essay from Usenet [Usenet Newsgroups and Archives, Plant philosophy, General Botany]
34. Encylopedia of Plants - well-illustrated encyclopedia [Horticulture, General Botany Resources]
35. Essential Elements for Plant Growth - Mineral nutrition in plants [Plant Physiology, General Botany]
36. Families of Flowering Plants - Authoritative WWW angiosperm systematics site [Systematics, Angiosperm]
37. FAQs about Tree and Shrub Care [Dendrology, Trees, Wood, Horticulture, Plant Care, General Botany]
38. Flora of North America - Site of ambitious project to catalog all plants of America [Systematics, Gymnosperm, Systematics, Pteridology, Ferns, Pteridophytes, Angiosperm Database]
39. Gardeners of the Golden Horseshoe - Garden site, talk/exchange group, botanical listservs [Horticulture, Plant Care, Agricultural Resources]
40. Genus of the Week - Features information about a new plant each week [Systematics, Angiosperm]
41. Glossary of Plant Morphology Terms - all plants from cyanobacteria to algae and angiosperms [Dictionary, Dictionaries]
42. Hawaiian Native Plants - all endemics [Illustrations, Art, Photographs, Images, Documentation]
43. Henriette's Herbal Homepage - Links to newsgroup archives, a database and photos [Medicinal Plants, Herbal information, Ethnobotany, Angiosperm Database, Illustrations, Photographs, Images, Documentation]
44. Hort. 300 - General Plant Biology [Horticulture Courses, General Botany]
45. Hort. 320 - Plant Propagation [Horticulture Courses]
46. How Corn Grows - Illustrated developmental program of corn, Zea mays [General Botany, Plant Anatomy Structural Botany]
47. Indices Nominum Supragenericorum Plantarum Vascularium - Valid names above the generic level [Systematics, Angiosperm]
48. Internet Guidepost for Plant Production - Extensive agriculture WWW site [Agricultural Resources, General Botany]
49. Introduction to the Spermatophytes - Progymnosperms, cycads and anthophytes [Paleontology, Paleobiology, Paleobotany, Evolution]
50. Introduction to the Sphenophyta [Vascular Plant Morphology, Structural Botany, Paleobotany]
51. Introduction to Tomatoes - Illustrated FAQ mainly about tomato development and structure (Lycopersicum esculentum) [Horticulture, Plant Care, General Botany, Horticulture, Plant Anatomy Structural Botany]
52. Journey into the World of Cladistics - A routine technique in modern systematics [Systematics, Angiosperm, Vascular Plant Morphology, Systematics]
53. Life Cycles of the Bryophyta [Vascular Plant Morphology, Structural Botany]
54. Life Cycles of the Pterophyta [Vascular Plant Morphology, Structural Botany]
55. Lower Vascular Plants [Vascular Plant Morphology, Structural Botany]
56. Marine Botany - Marine algae and plant photos [Systematics, Phycology, Illustrations, Photographs, Images, Documentation]
57. Mazon Creek Plant Fossils [Vascular Plant Morphology, Structural Botany, Paleobotany, Paleontology, Paleobiology, Paleobotany, Evolution]
58. Monocots versus Dicots [Systematics, Angiosperm, Vascular Plant Morphology, Structural Botany]
59. More on Anthophyta Morphology [Vascular Plant Morphology, Structural Botany]
60. Morphology of the Anthophyta [Vascular Plant Morphology, Structural Botany]
61. Morphology of the Lycophyta [Vascular Plant Morphology, Structural Botany, Paleobotany]
62. Morphology of the Sphenophyta [Vascular Plant Morphology, Structural Botany, Paleobotany]
63. Naked Seeds of Pinus [Vascular Plant Morphology, Structural Botany]
64. Native American Herbal, Plant Knowledge [Medicinal Plants, Herbal information, Ethnobotany]
65. Natural Vegetative Propagation - Tutorial on plant vegetative reproduction [Plant Physiology]
66. OSU Info -- Yard & Garden - county extension data, with specific information on growing plants [Horticulture and Plant Care]
67. Pacific Northwest Native Wildlife Gardening - links to wildflower societies, listserv, seed sources, nurseries [Dendrology, Horticulture and Plant Care]
68. PBIO 250 Lecture Notes - Plant Taxonomy - Summary of classification schemes, selected plant families, nice external links [Systematics, Angiosperm, Multimedia, Illustrations, Photographs, Images]
69. Phytochemical and Ethnobotanical Databases - ARS resource on ecology, ethnobotany, Native American food and medicine plants, plant chemistry [Angiosperm Database, Medicinal Plants, Herbal information, Ethnobotany]
70. Plant Disease Information Notes - Phytopathology resource [Plant Diseases]
71. Plant Fossils of West Virginia - Carboniferous lycopod, sphenophyte and fern images [Paleontology, Paleobiology, Paleobotany, Evolution, Vascular Plant Morphology, Structural Botany, Paleobotany]
72. Plant Genome Database Collaboration - links to Arabidopsis, wheat, corn, soybeans and forest trees [Cell and Molecular Biology, Angiosperm Database]
73. Plant Hormones [Agricultural Resources]
74. Plant Molecular Biology Laboratory Manual [Cell and Molecular Biology, Cell Biology]
75. Plant Pathology Internet Guide Book - Authoritative plant pathology link site [General Botany Plant Diseases Phytopathology]
76. Plant Thesauri [Dictionary, Dictionaries]
77. Plant Tracker - versatile plant database [Angiosperm Database]
78. Plant Virus Site - Images of many major plant viruses in the TEM [Systematics, Virology, Illustrations, Art, Photographs, Images, Documentation]
79. PLANTS Database of the NRCS - plant names, symbols, distributions and attributes [Systematics, Angiosperm]
80. Plants for a Future [Ecology, Environment]
81. Plants in Motion - QT movies and GIFs on phototropism, flower opening, plant growth [Multimedia, Illustrations, Photographs, Images, Vascular Plant Morphology]
82. Plants of the New Jersey Pinelands (Pine Barrens) - virtual tour and photo site [Illustrations, Art, Photographs, Images, Documentation, Ecology, Environment]
83. PLB143: Evolution of Crop Plants [General Botany]
84. Primer on Molecular Genetics - Tutorial on molecular biology methods [Plant Physiology, Cell and Molecular Biology]
85. Q'TAXA - Guide to Latin American plants [Specialty]
86. Rhythms in organisms -- An introduction for observing, experimenting, recording and analysing - online lab manual and tutorial on biological clocks, photoperiodism [Library, Plant Physiology]
87. Royal Tasmanian Botanical Garden - Native Australian fungus threatens their non-native species [Plant Diseases Phytopathology, Ecology, Environment]
88. Science and Plants for Schools (SAPS) - Fast plants [General Botany]
89. Society for Growing Australian Plants - Indigenous plants [Systematics, Angiosperm, Illustrations, Photographs, Images, Documentation]
90. Stein's Virtual Herbarium - on the Web [Systematics, Angiosperm]
91. SW School of Botanical Medicine [Medicinal Plants, Herbal information, Ethnobotany]
92. Texas Plant Disease Handbook - Phytopathology resource [Plant Diseases]
93. The 24 "Canoe Plants" of Ancient Hawai`i [Medicinal Plants, Herbal information, Ethnobotany, Specialty]
94. Tree of Life Home Page - Survey of diversity [Plant Kingdom]
95. Trimerophytes [Vascular Plant Morphology, Structural Botany, Paleobotany]
96. UCMP Web Time Machine - Paleontological WWW site. Time scale, some plants. [Paleontology, Paleobiology, Paleobotany, Evolution]
97. University of Hawaii Campus Plants - over 400 images [Illustrations, Art, Photographs, Images, Documentation]
98. University of Kansas Image Archive - searchable database of ~370 images of plants and animals [Photographs, Illustrations]
99. Use of Herbs (HerbWeb) - Herb database information [Medicinal Plants, Herbal information, Ethnobotany]
100. Vascular Plant Families Photographic site (University of Hawaii) - over 225 families represented [Systematics, Angiosperm, Illustrations, Art, Photographs, Images, Documentation]
101. Vascular Plants Image Gallery - Broad collection of angiosperms [Illustrations, Photographs, Images, Documentation]
102. Virtual Plant Cell - Clickable plant cell [Introductory Cell Biology]
103. Virtual Plants: 3D Measurement and Simulation of Morphogenesis - Computer-simulated plants [Multimedia, Illustrations, Photographs, Images, QT, Quicktime Movies, Vascular Plant Morphology, Structural Botany]
104. Wayne's Word - Natural history & plant trivia [Illustrations, Photographs, Images, Documentation, General Botany]
105. Wildflowers of Alabama - Photos, nice write-ups on selected genera - Photos, nice write-ups on selected genera [Horticulture, Plant Care, State, Illustrations, Art, Photographs, Images, Documentation]
106. Wisconsin Fast Plants [General Botany]
107. Zosterophyllophytes [Vascular Plant Morphology, Structural Botany, Paleobotany]
108. Picture It: Great graphics for busy biology teachers - some of the best graphic sites for plants, genetics, molecules, ecology, genetics and biology [Photographs, Images]
109. BOTN201 - Taxonomy of Flowering Plants - class notes, virtual tours, useful lab exercises and notes at Texas A & M [Organizing Materials for the Internet, Model Sites, Multimedia, Systematics]
110. Atlas of Florida Vascular Plants - maps of plant distributions {Geographic, State Resources]
111. Plants, People & the Environment - Model, full-featured website for introductory plant biology course, including online quizzes, grades, chat room, hot keys [Organizing Materials for the Internet, Model Sites, Multimedia, General Botany]
112. Metabolic Plant Physiology - covers nitrogen, sulfur and secondary metabolic pathways; links for plant biochemistry [Cell Biology, Molecular Biology]
113. Flowering Plant Reproduction - life cycles, angiosperms and flowers [Library, Glossary, General Botany, Morphology, Plant Anatomy]
114. Fertilization and Fruits - gamete production, fertilization, embryogenesis and fruit production [Library, Glossary, General Botany, Morphology, Plant Anatomy]
115. Biology Review Index Page - review pages for microscopy, procaryotes & viruses, cells, cell division, fermentation & respiration, unicells & filaments, thalloid & vascular plants, seed plant reproduction, seed plant sporophytes, and the leaf and photosynthesis [Life Cycles, General Botany, Morphology]
116. Flowering Plant Families - required families for beginning botany students with characters and illustrations {Photographs, Images, Systematics]
117. World Wide Flowering Plant Family Identification Key - checklist of 174 morphological characteristics and 6 geographical regions [Database, Interactive, Systematics]
118. Photosynthesis - textbook images, succinct review of chloroplasts, chlorophyll, light & action spectrum [General Botany, Plant Physiology, Cell Biology]
119. Plant Photobiology - action light spectrum in growth & development, ozone layer, UV effects [General Botany, Plant Physiology, Cell Biology, Ecology]
120. Boyce Thompson Southwestern Arboretum - plant care, gardens, deserts, legumes, photos [Multimedia, Ecology]
121. Economically Important Plants / Food Allergy and Intolerance - List of species by family [Ethnobotany, Medicinal Plants, Specialty]
122. Cyberbotanica: Plants and Cancer Treatments - medicinal plants, chemicals and a challenging online quiz [Cell Biology, Mitosis Inhibitors]
123. TreeWeb: The Natural History of Trees - life histories, status, range, sites & soils, ecology, interactions, forum & references [Plant Anatomy, Morphology, Dendrology, General Botany]
124. Plants in the Hawaiian Environment - Botany 130 - Hawaiian flora and man's impact on it [Ecology, Conservation, Courses, Classroom]
125. Principles of Protein Structure - online tutorial on preparation of polypeptides and proteins [Cellular & Molecular Biology, Classroom, Courses, Plant Physiology]
126. Cytochemistry Web Page - resource for cell biology [Cellular & Molecular Biology, Transmission Electron, Fluorescence & Light Microscopy, Plant Physiology]
127. Botanical Society of America - largest U.S. general plant biology organization. Annual meeting info, botany in the next millennium, links [Online brochures, American Journal of Botany (AJB) Abstracts, Plant Science Bulletin (PSB), brochures]
128. Cell Biology Topics - Online text with self-quizzes [Tutorial, Textbook, Cellular & Molecular Biology, Plant Physiology]
129. Cell Nucleus and Chromosomes - from online textbook [Cellular & Molecular Biology, Plant Physiology]
130. Cell Membrane Architecture and Cytochemistry - from online textbook [Cellular & Molecular Biology, Plant Physiology]
131. Ultrastructure and Cytochemistry of Endoplasmic Reticulum, Golgi Complex, Lysosomes, Peroxisomes, Secretory Granules - from online textbook [Cellular & Molecular Biology, Plant Physiology]
132. Receptor Mediated Endocytosis - from online textbook [Cellular & Molecular Biology, Plant Physiology]
133. Mitochondria: Ultrastructure and Function - from online textbook [Cellular & Molecular Biology, Plant Physiology, Electron Microscopy]
134. Cytoskeleton: Microtubules, Cilia and Flagella - from online textbook [Cellular & Molecular Biology, Plant Physiology, Tubulin]
135. Ohio State University Extension VegNet - information on vegetable crops, including tomatoes, potatoes, pumpkins [Gardening, Growing plants, Disease, Phytopathology]
136. International Organization for Plant Information (IOPI) - databases, host to Global Plant Checklist Project and Database of Plant Databases [Metalinks, WWW, Species, Genera, Systematics]
137. Palaeobotanical Research Group - History of Palaeozoic Forests site [Evolution, Plant Morphology, Classroom, Tutorial]

Thank you for asking!!