I'm so glad you found it. I'm sorry for getting that information confused.
Sadly, the Pulsatilla genus no longer exists, It's still present on The Plant List, but every other source has now reclassified all of the Pulsatilla species as a few species of the Anemone genus.
Some of these name changes are disturbing for those of us who are prone to nostalgia. I have fond memories of the nice Pulsatilla collection I once amassed.