A modern concept not related to any traditional idea of karma. Group karma is the karma that is developed by a group of people. Participation in the group is supposed to associate you with the karma of all the others in the group. However, traditional karma is based only on what you do, not what others do.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...