Identify the tool of classification shown in the image and describe its purpose.

(N/A) The image displays a $Herbarium$.
$1$. Definition: $A$ $Herbarium$ is a storehouse of collected plant specimens that are dried,pressed,and preserved on sheets.
$2$. Preparation: These sheets are arranged according to a universally accepted system of classification.
$3$. Information: The herbarium sheet carries a label providing information about the date and place of collection,English,local and botanical names,family,and the collector's name.
$4$. Purpose: Herbaria serve as quick referral systems in taxonomic studies.