Racehorse injuries generally a mixture of sand, silt and clay. Turf tracks are usually Bermuda grass in warm climates and a mixture of Fescue, Bluegrass and Rye in more temperate climates. Synthetic tracks are generally a mixture of sand, synthetic fibers, rubber and wax. Synthetics are differentiated by brand names such as Polytrack, Tapeta Footings and Cushion Track. North American racing is run on all three types of tracks and provides the best basis for a comparison on how track composition affects injuries and fatalities. The EID was finally able to provide statistics on racing related fatalities in March 2010. The TOBA
Wildlife of Bermuda swamps. Areas of peat marsh include Devonshire, Pembroke, and Paget marshes. Bermuda has four endemic ferns: Bermuda maidenhair fern ("Adiantum bellum"), Bermuda shield fern ("Goniopteris bermudiana"), Bermuda cave fern ("Ctenitis sloanei") and Governor Laffan's fern ("Diplazium laffanianum"). The latter is extinct in the wild but is grown at Bermuda Botanical Gardens. The endemic flora of the island also include two mosses, ten lichens and forty fungi. Among the many introduced species are the Casuarina ("Casuarina equisetifolia") and Suriname cherry ("Eugenia uniflora"). Bermudiana ("Sisyrinchium bermudiana") Darrell's fleabane ("Erigeron darrellianus") Bermuda campylopus (moss) ("Campylopus bermudianus") Bermuda bean ("Phaseolus lignosus") Bermuda spike rush