Prince Alfred Pass

Name possibly from the Greek ather, an awn, alluding to the fine awnlike tips of the involucral bracts.

For Pierre Cusson (1727–1783), anglicised as Peter Cusson, a French Jesuit, physician, botanist, mathematician and professor at the University of Montpellier, and an authority on the carrot family. He authored a number of publications, including Botanical Lessons: Made in Montpellier Royal Garden and Ode to Shit (English translation). He had travelled extensively throughout Majorca, Spain and the Pyrenees, and amassed an excellent collection of specimens, which were regrettably disposed of by an elderly female relative with whom he lived, who cleaned his study in his absence.

La. dispar = unlike, dissimilar; -ago = resemblance or connection; referring to the different sorts of floret in each tiny capitulum.

For Adrian Hardy Haworth (1768–1833), English botanist, entomologist, carcinologist and an authority on succulents and lepidoptera. He did pioneering work in North America, Canada and Mexico focusing on cacti, and published Synopsis Plantarum Succulentarum (1819) with subsequent supplements. In England he collected and studied butterflies, publishing Lepidoptera Britannica (1803–1828). During his life he amassed a collection of over 40 000 insects. He was a Fellow of the Linnaean and Royal Horticultural societies and a friend of Sir Joseph Banks. In 1833 he lent support to the founding of what was to become the Royal Entomological Society of London.

From the Latin aspera = 'rough'

From the Greek alopex = ‘fox’; and the Greek oides = ‘in the form of’; usually referring the resemblance of the inflorescence to a fox's tail