yes
Try looking in the Peterson Fied Guide to Wild Edible Plants.
Collard greens are from plants out of south Africa
Greens.
Some common wild edible plants in West Virginia include ramps, dandelion greens, chickweed, wood sorrel, and stinging nettle. However, it's important to be absolutely certain of a plant's identification before consuming it to avoid ingesting something toxic. Consider taking a foraging class or using a reliable field guide to help you safely identify wild edible plants.
There are edible wild plants in every state. In Eastern TN you will have various mushrooms, berries, edible greens, cattails, acorns (need to boil them to remove some of the tannic acid) hickory nuts and walnuts. And dozens more.
Carrots (root and greens), beets (root and greens), and radishes (root and greens) are examples of plants where both parts are commonly used as food. These plants provide a variety of nutrients and flavors from both the root and leafy parts.
Emerald greens typically grow at a moderate pace compared to other plants. They are not the fastest-growing plants, but they are also not the slowest. The growth rate of emerald greens can vary depending on factors such as soil quality, sunlight, and water availability.
Poke greens resemble other greens such as turnip or mustard greens and is prepared in the same manner.
plants/greens etc. hay, grass, leaves, trees, plants etc.
Flowers, fruits, grasses and vegetables are the garden plants that wild rabbits aged six months and older like. Wild leptorids favor fresh black-eyed Susans, greens and roses from late spring to early fall. They prefer bark, buds, needles and twigs from young shrubs and trees as well as snapdragons from late fall to early spring.
Chlorophyll is what plants use to conduct photosynthesis. Chlorophyll makes plants look green so only green plants will have chlorophill in them. Therefore in answer to your question it will just be leafy greens that have chlorophyll in them!
Greens, Multiplying onions, Carrots....