Its common names include Balkan toadflax, broadleaf toadflax, and Dalmatian toadflax. Its common names include toadflax penstemon, toadflax beardtongue and Colorado narrowleaf beardtongue. It contains the toadflax relatives, such as snapdragons. Introduced species of plants such as Dalmatian toadflax have invaded the area. White campion, common toadflax and mouse-ear hawkweed are also supported. Linaria alpina, sometimes called alpine toadflax, is a purple-flowered member of the genus "Linaria". Dalmatian toadflax has no value as food, and crowds out valuable forage. Two moths which occur, the toadflax brocade and the broad-bordered bee hawkmoth are nationally rare. This area has been affected by the non-native plant species, yellow toadflax. Seeds of the common toadflax, were identified from the Hoxnian interglacial strata at Clacton. Chemical control of toadflax can be difficult. The common name toadflax is shared with "Linaria" and other related genera. Gaspereaux is ordered by Toadflax to escape to London, which he does under protest. The track bed supports common restharrow, wild strawberry and common toadflax.