How to Grow Plants Between Stepping Stones
http://www.perennialfarm.com/images/Ground_Cover.pdf
http://www.finegardening.com/plants-pathways
http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=274335&isprofile=1&adv=thymus&chr=12
http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=258921&isprofile=1&basic=leptinella
North Carolina State University Natural Learning Initiative: Installing Stepping Stones
http://design.ncsu.edu/natural-learning/sites/default/files/Stepping%20Stones_Information%20Sheet.pdf
University of Minnesota Extension: Crevice Plants
http://www.extension.umn.edu/garden/yard-garden/landscaping/best-plants-for-tough-sites/docs/08464-crevice-plants.pdf
References
Writer Bio
Kit Arbuckle is a freelance writer specializing in topics such as health, alternative medicine, beauty, senior care, pets and landscaping. She has training in landscaping and a certification in medicinal herbs from a botanical sanctuary.