Let's suppose that I'm writing a story and I want a link to a certain species appear. Well, just type the plain name. If the species is listed in the system as valid, a link will be automatically created. If it is listed as a synonym, it will take you to the valid species summary page. For example:
Please, have into account that the system is quite clever, but some weird things can happen, as this:
The system recognizes Anergates as valid, and will create a link to that genus, but will not be capable to tell you that such an species does not exist