Stinging Thorns?

[deerlakejens]

Steam those nettles, they make a dandy side dish, very high in Vitamin C and other important elements. Just be sure to wear gloves when harvesting them and get them hot enough to neutralize their acids.

 

[banjobart]

Buckthorn is nasty stuff, too. Pokes get infected. it's a shrub like tree that thrives in swampy areas and higher ground, too in Michigan. It has little black berries in the fall and the bark looks like cherry.