the common heather or "calluna", a small bush of height is grazed by sheep and also has healing qualities; the bilberry, in the family ericaceae, is a shrub found at an altitude of 500 m (around 1600 feet); the rootless peat mosses ("sphagnum") of about grow at a year and form the basic turf moors through the buildup of organic matter; cotton grass, a perennial plant in wet regions; sundew ("drosera rotundfolia") found in the acid turfs of the reserve which are carnivores and consumes insects; and wintergreen chickweed ("cerastium"), which is a seven-petal flower and also the logo of the park.