Sequoiadendron giganteum
- Taxonomy, description, range, and information on largest and oldest specimens of this tree, commonly known as Giant Sequoia or Sierra-Redwood. Includes photos.
- http://www.conifers.org/cu/se2/

Giant Sequoia
- Slide show including photographs, maps, botanical information, and lore about Sequoiadendron giganteum.
- http://www.cof.orst.edu/cof/fr/outreach/treeomth/sequoia/index.htm

Sequoiadendron gigantea
- Image of this species.
- http://www.botany.hawaii.edu/faculty/carr/images/seq_gig.jpg