Because the leaves of common sorrel contain oxalic acid you should not eat them too often or in large quantities.
There are five of us on this foraging trip, and after an hour-and-a-half we finally managed to find one common sorrel plant.
uk ROB''S TIPS FOR IDENTIFYING COMMON SORREL COMMON sorrel is a perennial weed growing up to 60cm tall and 30cm wide.
The good news is that over the next month, common sorrel plants will start to flourish so your foraging trip might be a little more successful than mine.
While you'd normally find common sorrel (rumex acetosa) plants that are about 3in high at this time of year, we struggle to find any.