| LINNAEUS | Carl, Swedish botanist who created a binomial system of classifying organisms (8) |
| CAROLUS | Latin name for the Swedish botanist who established a binomial system of biological nomenclature (7,8) |
| CARLLINNAEUS | Botanist who created a two-name classification system for organisms (4,8) |
| CENSORSHIP | System of classifying films, etc for suitability (10) |
| CULPEPER | English apothecary and botanist who wrote The English Physitian (later known as the Complete Herbal) (8) |
| LANDRAIL | Grassland bird with chestnut markings on its wings, with the binomial name Crex crex (8) |
| LINNAEAN | Of one Swedish botanist |
| ASHTREES | Woody plants known by their binomial name Fraxinus excelsior, currently under threat of the Chalara fraxinea disease in the UK (3,5) |
| TAUTONYM | Binomial name, such as Martes martes, Puffinus puffinus, Rattus rattus or Vulpes vulpes, in which generic and specific epithets are the same (8) |
| REDMAPLE | Deciduous tree from North America whose binomial name is Acer rubrum (3,5) |
| SWEETBAY | Evergreen tree, binomial name Laurus nobilis (5,3) |
| DAHL | Anders ___, Swedish botanist who gave his name to the dahlia (4) |
| LINNEAN | Of a Swedish botanist or his artificial system of classification (7) |
| DOMAIN | The highest taxonomic rank in binomial nomenclature; a sphere of knowledge; or, in computing, a set of network addresses identified by a common name (6) |
| SORTING | Resorting to finding a way of classifying it (7) |
| TYPING | Way of classifying a key job |
| ABO | ___ system (way of classifying blood) |
| METRE | Time to probe simple way of classifying verse (5) |
| GENUS | An organism's binomial name consists of a ___ and a species. |
| BROMELIADS | Family of flowering plants mainly native to the tropical Americas, named in honour of a Swedish botanist (10) |
