I didn't know there was a word for it. A friend has an app that sends him a new word everyday I must see does he know what Pareidolia means. Great picture to illustrate it....
It's like one of those puzzles we used to do where you follow the string or whatever to find which one is attached to the light bulb etc! So confusing but your title sums it up completely!
I have a severe case of pareidolia - if I'm able to pronounce this! Linoleum, wallpaper, clouds, pavements etc. This is a very strong impression of the tree - lots of limbs and twisted forms!