Other
Cartage.org: Stem and Its Shoot
Stem functions, origin of the shoot, meristem structure, dicot stems, and monocot stems are the topics examined in this thorough lesson.
Other
Stuttgard High School: Plant Structure & Function
Site features high school-level comprehensive info on the structure and function of seed plants organized into shoot and root systems. While presented with lots of detail, clear illustrations and animations help make sense of the parts...
University of Illinois
University of Illinois Extension: Plant Parts: Stems
Resource contains very brief information on the stems of a plant. The information is set up in a very easy to understand format. Great for younger ages.