"Smilax australis" (lawyer vine or wait-a-while) is another plant to be avoided as it has prickly climbing stems that are up to eight metres long and will catch in clothing or the skin.The understorey is often sparse except for occasional "Acacia" (wattles), "Bursaria spinosa" (blackthorn), "Xanthorrhoea" (grass trees) and The cassinia, geebung ("Persoonia" spp.