Taxonomic

We use a system called the 'Linnaean Taxonomic' to class organisms into groups.

The taxonomic rank is a hierarchical level of the scientific classification of the organisms.

You can remember the taxonomic hierarchy with the mnemonic, "Dear Ken, please come over for gay sex."

With fresh material, taxonomic conclusions are leavened by recognition that the material examined reflects the site it occupied; a herbarium packet gives one only a small fraction of the data desirable for sound conclusions. Herbarium material does not, indeed, allow one to extrapolate safely: what you see is what you get[…]