Please help ID. Seen at Plumb Beach, Brooklyn, NY
These of been going on people's grass. They are unwanted.
Hairy Bittercress (Cardamine hirsuta). Beside path to Salt Marsh Nature Center, Marine Park, Brooklyn, NY. Pods typically dark brown with white tip, green pods presumably immature?
Hairy Bittercress (Cardamine hirsuta). Grounds of Salt Marsh Nature Center, Marine Park, Brooklyn, NY. (Disregard the grass mixed at base of uprooted plant.)
Hairy Bittercress (Cardamine hirsuta). Beside bicycle tracks near Floyd Bennett Field North 40 entrance, also along trails inside North 40, Brooklyn, NY. Easily recognized by erect white-tipped slender pods extending up beyond white flowers and deeply lobed basal leaves. Abundant, sometines in large dense patches. Last 2 photos in North 40, last photo shows band of Cardamine hirsuta beside trail near Return-a-Gift Pond.
This picture shows both the paper wasp and the Common groudsel.