Which of the following taxonomical aid contain information on any one taxon?
Key is a taxonomical aid used for identification of plants and animals based on the similarities and dissimilarities.
Herbarium is a store house of collected plant specimens that are dried, pressed and preserved on sheets.
Flora contains the actual account of habitat and distribution of plants of a given area. These provide the index to the plant species found in a particular area.
Manuals are useful in providing information for identification of names of species found in an area.