Agraulis vanillae, the Gulf Fritillary, can be found in numerous states in the West, Midwest, South, a few in the Northeast, and in Alaska and Hawaii.
Favorite nectar plants: Asclepias, Bidens, Buddleja, Cephalanthus, Cirsium, Lantana, Liatris, Pentas, Rubus, Salvia, Tithonia, and Verbena.
USDA Growing Zones for these plants include: 2,3,4,5,6,7,8,9,10,11

Host plants:
Passiflora (numerous species)

The PD photos are courtesy of
Zygy,
Margarita Wilfredor,
and Margarita Wilfredor

The plate:
Sepp-Surinaamsche_vlinders_-_pl_055

CC0 image courtesy of
InsectsUnlocked

CC 2.0 images courtesy of
Bob Peterson
Christina Butler
and
brewbooks