Dandelion or Hawksbeard?

Identification for foragers. The Massey University Weeds Database lists four plants which are often called dandelions:

Dandelion, with hairless leaves, at
Hawksbeard, with hairless leaves, at
Hawkbit, with hairy leaves, at
Catsear, with hairy leaves, at

If you are trying to identify useful and edible wild plants in New Zealand, you may enjoy the New Zealand Food Foraging group at /