Sow Thistle: http://www.squidoo.com/sonchus
Wood Sorrel: http://www.wildedible.com/wild-food-guide/wood-sorrel
Sheep Sorrel: http://www.squidoo.com/sheep-sorrel-benefits
Rose Hips: http://www.springvalleyroses.com/inthegarden/roserecipes.html
Black Oak Acorns: http://www.motherearthnews.com/Nature-Community/1988-09-01/A-Fall-Field-Guide-to-Nuts.aspx
Sphagnum Moss: http://survivalbackpackguide.com/edible-plants/
Tea Berry: http://keys2liberty.wordpress.com/tag/eastern-teaberry/
See also:
http://survivalbackpackguide.com/edible-plants/
http://wn.com/wild_edibles_during_winter_time