Two understory trees I like are sassafras and spicebush. Especially spicebush. When I find spicebush in the woods it's a great indicator.
it's always interesting to see what plants people associate with ginseng, sassafras, I've often associated that with sour soil.
Around here in my part of western Pa black cohosh is 'the' plant. along with the tree ,poplar
it's funny I don't see much maidenhair around here, only a little bit once and while so I don't really associate it with sang.
Someone said in the other thread about blue cohosh being a good plant to see, for some reason it's almost a downer to see it around here, like maybe it's crowding out the sang. This year I've started scouting in a new area I've never been in before, only about 10 miles from where I've always hunted it and I haven't seen one blue cohosh plant all summer where as it was a common plant in my old hunting area.
I call this new area \"extra sweet\" as in the soil, I've never seen so much sang growing on western and southern exposures