A friend sent a photo to me after reading about my backyard mushroom trauma. These are growing at the side of her house. Note I said "these" because there are dozens of them. It's a different variety of stinkhorn than the one that showed up in my yard, a variety with the unfortunate but clearly apt name of Mutinus Caninus or Dog Stinkhorn.
She lives only a few blocks away.
I am afraid.
It's like Mushroom Armageddon around here.