| LANL__Carbon History, forms, compounds, and isotopes. |
| Lenntech__Carbon Physical data, chemical properties, and health effects. |
| Symbol_C A resource for information on the carbon element - useful for school-related projects. |
| Visual_Elements__Carbon Image, animation, source, general information, and key isotopes. |
| WebElements__Carbon Extensive information on history, uses, occurrence, compounds, and properties of the element. |
| Wikipedia__Carbon Properties of the element, including its history, applications, and characteristics. |
| ChemicalElements_com__Sulfur Basic information, atomic structure, and table of isotopes. |
| EnvironmentalChemistry_com__Sulfur Atomic structure, chemical and physical properties, and table of nuclides. |
| It\'s_Elemental__Sulfur Basic physical and historical information. |
| LANL__Sulfur History, properties, production, and uses. |
| Lenntech__Sulfur Physical data, chemical properties, health and environmental effects. |
| Sulfur Data tables and historic information. |
| Sulphur_versus_Sulfur Some thoughts on the history of the spelling of the name of element 16: 'sulfur' vs 'sulphur'. |
| USGS_Minerals_Information__Sulfur Statistics and information on the worldwide supply, demand, and flow of the element (PDF format). |
| Visual_Elements__Sulfur Image, general and physical information, source, uses, key isotopes, and ionisation energies. |
| WebElements__Sulfur Extensive information on history, uses, occurrence, compounds, and properties of the element. |
| Wikipedia__Sulfur Properties of the element, including its history, applications, and characteristics. |
| Radiochemistry_of_Sulfur Full text of the monograph by G. W. Leddicotte (Oak Ridge National Laboratory, Oak Ridge, Tennessee). [PDF] (February, 1962) |
| Apsidium__Hassium Basic information and atomic structure. |
| ChemicalElements_com__Hassium Basic information, diagram of atomic structure, and facts. |
| Chemistry_of_Hassium,_Element_108 Article regarding a study conducted at the Berkeley National Laboratory. |
| EnvironmentalChemistry_com__Hassium Atomic structure and table of nuclides. |
| It\'s_Elemental__Hassium Basic physical and historical information. |
| LANL__Hassium Basic information and history. |
| Lenntech__Hassium Basic data. |
| Visual_Elements__Hassium General and physical information, and key isotopes. |
| WebElements__Hassium Information on history, isolation, and properties. |
| Wikipedia__Hassium Basic physical and historical information. |
| Acta_Horticulturae_Online Online books and articles of the magazine "Acta Horticulturae". Full text only accessible for ISHS members or by payment. |
| HortScience Samples of articles containing original research, reviewing problems and developments, and papers presented at workshops. |
| Journal_of_Applied_Horticulture Includes news, horticultural links, and online articles. |
| Journal_of_the_Professional_Association_for_Cactus_Development Articles cover scientific and industry news concerning growing cacti. Topics include research, marketing ideas, and information for growers. Page includes archived issues and submitting guidelines. |
| (Belgium)_University_of_Gent Clifford Research Group. Includes contact details and a list of publications. |
| (UK)_University_of_Cambridge_ Geometric Algebra Research Group. Includes a list of group members, links to relevant articles and a set of course materials, list of publications and links to relevant conferences and other sites. |
| Center_for_Applied_Nursery_Research Performs needs-driven research for the green industry in an operational nursery setting in Georgia. Overview of current projects and past results, staff, and event calendar. |
| Commercial_Boxwood_Production North Carolina State University factsheet. Propagation information and nursery practice. |
| Germination_Requirements_-_Perennials Document in PDF format listing the germination requirements and duration for several hundred perennials, sorted to genus level. [PDF] |
| Plant_Production Collection of articles on plant production, equipment, and nursery practices, with illustrations. University of Florida IFAS Extension. |
| Rooting_Data_Base Online resource listing the rooting methods for hundreds of woody plant species. Searchable, alphabetically organized list. |
| Seed_Propagation_-_The_Basics Course notes for a class at Stephen F. Austin State University covering both basic and more advanced concepts in seed germination. [PDF] |