Here's a list of the species in genuses that I intend to try and "complete" at least so far as North America goes. Completed species will be re-added. Monotypic genuses don't count.

Anaxyrus
Pseudacris
Acris ✔
Pseudotriton
Scaphiopus
Nerodia
Carphophis
Farancia
Sistrurus
Graptemys
Pseudemys
Sialis
Passerina
Ammospiza ✔
Melospiza ✔
Calcarius
Centronyx
Sayornis
Spizella
Zonotrichia

Ladonia

Sarracenia
Liatris
Boltonia

Only USA species counted:
Lampropeltis
Crotalus
Storeria

Ischnura
Libellula
Ctenucha

Desmodium
Asclepias
Lespedeza
Monarda
Quercus
Drosera
Utricularia
Eupatorium
Rudbeckia
Heteranthera
Carya