Do you mean poison hemlock? It does look similar to QAL.
Poison sumacs look completely different. Most folks can identify poison ivy & oak. But, it is the poison sumac shrub 'rhus vernix' that usually gets people into trouble.
Short story...
I live for 3 1/2 years in the old caretakers cabin (that had been built onto over the years) on a mountain in Morgantown,WV. The caretaker oversaw the reservoir (basically an earthen levee filled with water) that supplied Morgantown. In the subsequent years, the reservoir became a wetland & peat bog. Not many people ventured out that way, so we, our dogs & our freinds had it to ourselves. A great place to hike & for the dogs to swim in the surrounding streams.
One of my buddies brought his dogs over to find no one at home, so he strolled the 1/2 mile through the woods back to the reservoir. He walked halfway around to a small wall overlooking a fast moving stream & took a seat to enjoy the atmosphere. He was not into
plants & ID like me. Later he told me, "I thought to myself, what is this lovely little shrub?" So, he broke off a small branch & put it up to his nose to smell.
Later that night, I got a call from his wife. It seams that he was in the hospital with his eyes & nostrils swelled shut. He looked terrible. He assumed that his dogs must have gotten into poison ivy & given it to him. After hearing his story, I asked him if it was the shrub that was
growing up the side of the wall vine-like & then bushing out at the top. He affirmed that it was that shrub. I subsequently pointed out that it was poison sumac.
After he healed, we hiked all of his favorite spots & I pointed out anything he might want to avoid in the future.