Handbook of the New Zealand Flora (abbreviated Handb. N. Zeal. Fl.) is a two volume work by English botanist Joseph Dalton Hooker with systematic botanical descriptions of plants native to New Zealand. The first part published in 1864 covers flowering plants, and the second part published in 1867 covers Hepaticae, mosses, lichens, fungi and algae.
References
Further reading Hooker, Joseph Dalton (1864). Handbook of the New Zealand Flora: A Systematic Description of the Native Plants of New Zealand. Hooker, Joseph Dalton (1867). Handbook of the New Zealand Flora: A Systematic Description of the Native Plants of New Zealand and the Chatham, Kermadec's, Lord Auckland's, and Macquarrie's Islands. Reeve & Company.