Here are some photos of Poison Ivy in a number of ways
Sometimes in lawn care, you can come across noxious weeds. Regular weed control is not enough for poison ivy.
The weed control that is needed is to use Roundup containing glyphosate.
Poison Ivy Foliage
Poison Ivy - new shoot- reddish colour
Poison Ivy growing up a tree
more Poison Ivy growing up a tree at the RBG trail
Poison Ivy on a Fence - note the thick trunk- quite old