A PDF field guide to the species reported in and around Christiana Open Space, with common and scientific names and up to 3 photos of each, laid out for use in the field and offline.
Species people report often in and around Christiana Open Space include Buckthorn, Hedge Garlic, Lettuce, Grass Pink and Blackcap. All 50 species on the list are plants.
The 20 species reported most often here, of 50 in the full guide.

Buckthorn
Hedge Garlic

Lettuce

Grass Pink
Blackcap

Hoary Alison
Tell me what you're looking for, and I'll do my best to answer.
Peegee Hydrangea
Japanese Barberry
Snapweed
Poke
Haymaids

Wreath Goldenrod
Mayapple

Carpet Box

Motherwort

Sweet-Alice

Beet

Oregano
Tell me what you're looking for, and I'll do my best to answer.

Nettle
Polecatweed