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Similar Species Plantarum, The Jepson Manual, Manual of Vascular Plants of, Genera Plantarum, Flora Europaea | ||
The Flora of North America North of Mexico (usually referred to as FNA) is a multivolume work describing the native plants of North America. Much of the Flora is already available online. It is expected to fill 30 volumes when completed, and will be the first work to treat all of the known flora north of Mexico.
It is a collaboration of over 800 authors, who collaborate over the web.
References
Flora of North America Wikipedia(Text) CC BY-SA