There are several varieties of regional medical programs. A pseudotaxonomy could be defined according to the site of control, the focus of the effort, the type of organization, its structure, the primary investment of money, and the source and type of core staff.
Source: wiktionary
... pseudotaxonomy, is completely rejected. Hamshaw Thomas had already argued in print that fossils of flowering plants contradicted, or at best failed to confirm, the supposedly evolutionary arrangement of the higher plant taxa.
Source: wiktionary
Their approach is to sort specimens based on their major morphological characteristics, rather than their strict taxonomy. They named this type of pseudotaxonomy the morphospecies approach.
Source: wiktionary