Chemotaxonomy (from chemistry and taxonomy), also called chemosystematics, is the attempt to classify and identify organisms (originally plants), according to demonstrable differences and similarities in their biochemical compositions. The compounds studied in most of the cases are mostly proteins, amino acids and peptides
John Griffith Vaughan was one of the pioneers of chemotaxonomy.
Perspectives on Chemotaxonomy: Molecular Data Confirm the Existence of Two Morphologically Distinct Species within a Chemically Defined Lepraria caesiella (Stereocaulaceae)
May 01, 2012; ABSTRACT Lepraria caesiella as currently circumscribed includes two sets of populations with different thallus morphologies. The...