There are about 600 different species of Dandelions found throughout the world. One seed from a Dandelion blown by the wind can start 200 or more new plants. Dandelions are a perennial that can grow up to 20 inches and produces ragged, saw-toothed leaves, hollow stalks and golden flowers that quickly seed leaving a puff ball head that is dispersed in the wind. Common preparations for Dandelion is Tea. Sometimes roasted roots are made into a coffee substitute beverage.