Tupelo (Black Gum) (Nyssa sylvatica)

Prostrate Knotweed (Polygonum aviculare)

Common Burdock (Arctuim minus)

Climbing Hempweed (Mikania scandens)

Jumpseed (Polygonum virginianum)

Japanese Stiltgrass (Microstegium vimineum)

Common Boneset (Eupatorium perfoliatum)

Short Winged Meadow Katydid (Conocephalus brevipennis)

Montauk Daisy (Nipponanthemum nipponicum)

Blanket Flower (Gaillardia sp.)

Clammy Goosefoot (Dysphania pumilio)

White-Breasted Nuthatch (Sitta carolinensis)

male white breasted nuthatches have a black cap 

female white breasted nuthatches have grey caps

Dark-Eyed Junco (Junco hyemalis)

female juncos are brown

males are grey

juncos are winter birds in NJ, and I usually find them on the ground below my feeder. 

White Wood Aster (Eurybia divaricata)

Virginia Three Seeded Mercury (Acalypha virginiana)

Small White Morning Glory (Ipomoea lacunosa)

Eastern Black Nightshade (Solanum emulans)