Originally posted by FunnyBunny:

Originally posted by Ragequit Inc.:

Berries (all types), shrooms (both types), thistle and flint. (might be forgetting something..?)

Fish, Dandelions, and well, yeah.. Branches as well..

Ah, I always forget dandelions. Wasn't sure about fish (haven't witnessed them respawning yet). Branches (re-)spawn randomly though, as far as I can tell.