Best non dairy calcium sources?

Kale, broccoli, calcium fortified plant milks of all kinds, calcium fortified orange juice, figs and almonds, some kinds of tofu. Vegetarian Resource group says: "Sources of well-absorbed calcium for vegans include calcium-fortified soy milk and juice, calcium-set tofu, soybeans and soynuts, bok choy, broccoli, collards, Chinese cabbage, kale, mustard greens, and okra". And here's a nice list with calcium content: http://www.pcrm.org/health/diets/vsk/vegetarian-starter-kit-calcium