Full Idea
Species pluralism is the view that there are several equally good accounts of what it is to be a species.
Gist of Idea
Species pluralism says there are several good accounts of what a species is
Source
Michael Devitt (Natural Kinds and Biological Realism [2009], 7)
Book Reference
Devitt,Michael: 'Putting Metaphysics First' [OUP 2010], p.211
A Reaction
Devitt votes for it, and cites Dupré, among many other. Given the existence of rival accounts, all making good points, it is hard to resist this view.
Related Idea
Idea 17367 Species are phenetic, biological, niche, or phylogenetic-cladistic [Devitt, by PG]