Willian Henry Harvey (1811–1866), Keeper of the Herbarium and Professor in Botany at Trinity College, Dublin, was one of the most distinguished algologists of his time (Papenfuss, 1976 p. 26).[14] Apart from Ireland he visited South Africa, the Atlantic seaboard of America as far south as the Florida Keys on the east coast of North America and Australia (1854–1856). Between 1853 and 1856 he visited Ceylon, Australia and New Zealand and various parts of the South Pacific (Huisman, 2000 & Papenfuss, 1976).[2][14] His collection in Australia resulted in one of the most extensive collections of marine plants and it inspired others (Huisman, 2000).[2] He published: Nereis Australis Or Algae of the Southern Ocean in 1847–1849 and in 1846–51 his Phycologia Britannica appeared. His Nereis Boreali-Americana was published in three parts (1852–1858) this was the first, and still is (1976) is the only marine algal flora of North America as it includes taxa from the Pacific coast (Papenfuss, 1976 p. 27).[14] His five-volume Phycologia Australica was published in 1858 to 1863.