Aralia spinosa
- Description and uses of the plant commonly called prickly elder, angelica tree, Hercules' club, or toothache bush.
- http://www.henriettesherbal.com/eclectic/kings/aralia-spin.html

Devil's Walking Stick - Aralia spinosa
- Description, illustrated with photos of leaves, flowers, twig, fruit, and bark.
- http://www.cnr.vt.edu/dendro/dendrology/syllabus/aspinosa.htm

Aralia nudicaulis
- short description and medicinal uses
- http://www.botanical.com/botanical/mgmh/b/bambri09.html