Count Alexandre Henri Gabriel de Cassini (May 9, 1781 – April 23, 1832) was a French botanist and naturalist, who specialised in the sunflower family (Asteraceae) (then known as family Compositae).
The standard author abbreviation Cass.
is used to indicate this person as the author when citing a botanical name.He was the youngest of five children of Jacques Dominique, Comte de Cassini, famous for completing the map of France, who had succeeded his father as the director of the Paris Observatory.
He was also the great-great-grandson of famous Italian-French astronomer, Giovanni Domenico Cassini, discoverer of Jupiter's Great Red Spot and the Cassini division in Saturn's rings.
The genus Cassinia was named in his honour by the botanist Robert Brown.
He named many flowering plants and new genera in the sunflower family (Asteraceae), many of them from North America.
He published 65 papers and 11 reviews in the [Nouveau] Bulletin des Sciences of the Société Philomatique de Paris between 1812 and 1821.
In 1825, Cassini placed the North American taxa of Prenanthes (family Asteraceae, tribe Lactuceae) in a new genus Nabalus.
In 1828 he named Dugaldia hoopesii for the Scottish naturalist Dugald Stewart (1753-1828).
Some genera (originally) named by him :
Abrotanella
Brachyscome
Carphephorus
Celmisia
Dracopis, coneflower
Emilia, tasselflower
Eurybia
Euthamia, flat-topped goldenrod
Facelis
Glebionis
Guizotia, niger-seed
Heterotheca, camphorweed, golden-aster
Homogyne
Ixeris
Ligularia
Pallenis
Pluchea, marsh-fleabane
Sclerolepis
Youngia