http://www.realfarmacy.com/foraging-52-wild-plants-you-can-eat/
Pineapple Weed:
Edible parts: Pineapple weed flowers and leaves are a tasty finger food while hiking or toss in salads. Flowers can also be dried out and crushed so that it can be used as flour. As with chamomile, pineapple weed is very good as a tea. Native Americans used a leaf infusion (medicine prepared by steeping flower or leaves in a liquid without boiling) for stomach gas pains and as a laxative.
Cattail:
Known as cattails or punks in North America and bulrush and reedmace in England, the typha genus of plants is usually found near the edges of freshwater wetlands. Cattails were a staple in the diet of many Native American tribes. Most of a cattail is edible. You can boil or eat raw the rootstock, or rhizomes, of the plant. The rootstock is usually found underground. Make sure to wash off all the mud. The best part of the stem is near the bottom where the plant is mainly white. Either boil or eat the stem raw. Boil the leaves like you would spinach.

Pineapple Weed:
Edible parts: Pineapple weed flowers and leaves are a tasty finger food while hiking or toss in salads. Flowers can also be dried out and crushed so that it can be used as flour. As with chamomile, pineapple weed is very good as a tea. Native Americans used a leaf infusion (medicine prepared by steeping flower or leaves in a liquid without boiling) for stomach gas pains and as a laxative.
Cattail:
Known as cattails or punks in North America and bulrush and reedmace in England, the typha genus of plants is usually found near the edges of freshwater wetlands. Cattails were a staple in the diet of many Native American tribes. Most of a cattail is edible. You can boil or eat raw the rootstock, or rhizomes, of the plant. The rootstock is usually found underground. Make sure to wash off all the mud. The best part of the stem is near the bottom where the plant is mainly white. Either boil or eat the stem raw. Boil the leaves like you would spinach.