Which one of the taxonomic aids can give a comprehensive account of complete compiled information of any one genus or family at a particular time?
Monographs contain a complete systematic account - morphological, anatomical, behavioural, geographical and evolutionary information available on any one family or genus - its species, sub-species or any other sub taxonomic units at a particular time.
A taxonomic key is a taxonomic tool that helps to identify an unknown organism. It provides two contrasting characteristics called couplets. Choice is made between one of these as per the characteristic exhibited by the specimen.
Herbarium is a collection of plant specimens that are dried, pressed, labelled and preserved on sheets. These sheets are stored and systematically arranged for further scientific study.
Flora contains the actual account of habitat and distribution of plants of a given area.