Philanemo Mushroom is found under the eaves of houses.
You can purchase Philanemo Mushrooms from Botanist Chloris. The refreshes every 3 days and the items don't change. oou can't see her at night.
All Liyue Luxurious Chest Locations
Genshin Element Guide
Mondstadt Region Puzzles, Secrets, and Hidden Chests
Retracing Bolide
Lucky Dog
Mondstadt Side Quests
Violetgrass Farming Map