Major Floras on the flora of Hong Kong

There are three major Floras on the plants of Hong Kong:
(1) Seemann, B. (1857) Flora of the Island of Hongkong. In: The Botany of the Voyage of H.M.S. Herald, under the Command of the Captain Henry Kellett, R.N., C.B., during the years 1845-51. Lovell Reeve, London.
This is the first Flora on plants of Hong Kong. It covered 585 dicots, 3 conifers, 119 monocots, 64 ferns and fern allies, 7 mosses, and 3 lichens.
(2) Bentham, G. (1861) Flora Hongkongensis: A Description of the Flowering Plants and Ferns of the Island of Hongkong. Lovell Reeve, London.
This is the most well-known Flora. It covered 721 dicots, 3 conifers, 241 monocots, 81 ferns and fern allies.
This Flora was followed by a supplement written by Dr C.F. Hance (1872), namely, Florae Hongkongensis HROSQHKH : A Compendious Supplement to Mr. Bentham's Description of the Plants of the Island of Hong Kong, published by L. Reeve & Co., London. It added 32 dicots, 28 monocots, 15 ferns and fern allies, and 20 mosses.
(3) Dunn S. T. & W. J. Tutcher (1912) Flora of Kwangtung and Hong Kong (China). Bulletin of Miscellaneous Information, Royal Botanic Gardens, Kew, Additional Series X. His Majesty's Stationery Office, London
It covered 1580 species of vascular plants from Hong Kong.