(1) Monographs: Monograph gives a comprehensive account of complete compilation of available information of anyone’* family or genus at a time.
(2) Manuals: Manuals contain compiled information about the particular area, key, descriptions of family, genus and species.
(c) Flora: flora contains the actual description of the habitat and distribution of plants in a given area. We have several floras in India e.g: flora of British India, flora of simensis, flora of Delhi etc.
