A taxonomic treatment of Chrysocephalum apiculatum and C. semipapposum (Asteraceae: Gnaphalieae)
WILSON, PAUL G.

Chrysocephalum apiculatum (Labill.) Steetz and C. semipapposum (Labill.) Steetz are treated as distinct and endemic to Australia. In C. apiculatum 29 subspecies are recognised: subsp. apiculatum, subsp. orarium Paul G.Wilson, subsp. congestum Paul G.Wilson, subsp. gracile Paul G.Wilson, subsp. filifolium Paul G.Wilson, subsp. caespitosum Paul G.Wilson, subsp. ramosissimum (Hook.) Paul G.Wilson, subsp. insigne (Domin) Paul G.Wilson, subsp. simpliciusculum (Domin) Paul G.Wilson, subsp. semiamplexicaule (Domin) Paul G.Wilson, subsp. exile Paul G.Wilson, subsp. barbellatum Paul G.Wilson, subsp. odorum (DC.) Paul G.Wilson, subsp. arachnoideum (Domin) Paul G.Wilson, subsp. stoloniferum Paul G.Wilson, subsp. argenteum Paul G.Wilson, subsp. gracilescens (Domin) Paul G.Wilson, subsp. erectum Paul G.Wilson, subsp. pilbarense Paul G.Wilson, subsp. racemosum (J.Black) Paul G.Wilson, subsp. glandulosum Paul G.Wilson, subsp. variabile Paul G.Wilson, subsp. curvifolium (Domin) Paul G.Wilson, subsp. attenuatum Paul G.Wilson, subsp. flindersianum Paul G.Wilson, subsp. undulatum Paul G.Wilson, subsp. yorkense Paul G.Wilson, subsp. halmaturorum Paul G.Wilson, and subsp. norsemanense Paul G.Wilson. In C. semipapposum five subspecies are recognised: subsp. semipapposum, subsp. lineare Paul G.Wilson, subsp. brevifolium (Sond.) Paul G.Wilson, subsp. asperum (Steetz) Paul G.Wilson, and subsp. occidentale (Benth.) Paul G.Wilson.