Table 1: The conservation status of major TWINSPAN Floristic Groups that contain the majority of plants and resident animals in Australia [79].

Formation/complex No. of species analysed Floristic groups number Conservation reasonable Rainforest 1418 70 70% Monsoon rainforest (N.T.) 559 16 31% Dry scrub (SE Qld) 475 29 26% Eucalypt open forest 276 237 49% Eucalypt communities (SW W.A.) 1761 31 64% Heathland/scrub 2071 83 53% Alpine heath and grassland 556 24 67% Grassland 1313 23 13% Mallee (including SW W.A.) 395 62 41% Desert Acacia 1229 104 17% Hummock grassland 303 10 30% Chenopod shrubland 410 19 26% Forested wetland 835 29 24% Freshwater swamp 139 24 25% Coastal dune vegetation 315 16 69% Coastal wetland 74 32 47% Sclerophyll (heathy) understorey 2581 21 34% Savanna (grassy) understorey 1313 39 11% Hummock grass understorey 303 20 35% Humid & arid wetland 139 30 13%