In NSW, any plants that are protected or threatened are illegal to pick, possess, buy or sell.This includes;Hairpin banksiaYellow cassiniaBilly buttonSturt Desert peaFlannel flowerWaratahPink Swamp heathWax flowerPlus a bunch more. Check the whole list of protected and threatened flowers here.For plants and flowers that don’t appear on this list it’s not an offence to pick those, however if they’re a native flower, we still reckon ‘leave nothing but footprints, take nothing but memories’ is a pretty good principle to go by.