At one point I was trying to reach a more open swampy area, grabbing onto trees as I teetered along, until I realized I was grabbing Poison Sumac. Oops! I turned around and retreated back to the woods. I found a clear running stream where I washed off my hands as best I could. I think I'm not sensitive to the toxin, but you never know. And here at the stream I found a little reward, this beautiful Blue Flag, still in bloom.
This is one of the very few clubmosses that still has its traditional Latin name, Lycopodium clavatum.