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Isopogon tridens,
Isopogon buxifolius var. spathulatus,
Isopogon buxifolius var. linearis,
Isopogon trilobus,
Isopogon longifolius,
Isopogon buxifolius var. obovatus,
Isopogon alcicornis

Caption:
Isopogon. A , I. buxifolius var. spathulatus , vegetative stem (J.Drummond 3: 249 MEL). B , I. buxifolius var. linearis , flowering branchlet (J.Drummond 5: 395, MEL). C , I. buxifolius var. obovatus , flowering branchlet (J.Drummond 896, MEL). D-F , I. alcicornis . D , flowering branchlet; E , adaxial view of cone scale; F , abaxial view of cone scale (D-F , D.Foreman 1242, MEL). G-H , I. longifolius . G , flowering branchlet; H , flower with perianth removed (G-H , D.Foreman 1462, MEL). I , I. tridens , leaves (J.Drummond, MEL 672932). J-K , I. trilobus . J , deeply lobed leaves (D.Foreman 1411, MEL); K , shallowly lobed leaves (D.Foreman 1398, MEL).

Illustrators: P.Cooper.

Flora of Australia Volume 16 (1995) figure 101.