DENDROLOGY

Detailed explanation-1: -A nomenclatural type specimen is a herbarium sheet(s) or illustration to which the name of a taxon (species, genus, subspecies, variety, etc.) is permanently assigned. The name may be currently accepted as valid and in use for a particular plant entity or treated as a synonymous name.

Detailed explanation-2: -A herbarium is a collection of preserved plant specimens that have been stored appropriately, databased and arranged systematically to ensure quick access to students, researchers and the general public for scientific research and education.