1	"Laminae of inner involucral bracts glabrous; each floret enveloped by a scarious receptacular scale; achene papillose-pubescent"	"Ixodia achillaeoides"
1	"Laminae of inner involucral bracts covered with simple flattened sub-cylindrical hairs on their adaxial surface; each floret subtended and partially enveloped by a cartilaginous, petaloid, bract-like scale; achene glabrous"	"Ixodia flindersica"