My houseplant is experiencing a growth

I looked over at my oldest houseplant today and saw this:

Is this normal?

Or even okay? (No photo manipulation here… just flash.)

Wow!! Googling “mushroom growing on houseplant” really works!

**update the second**
You know, now that I know leucocoprinus birnbaumii won’t hurt me or the plant, I feel happy that it has decided to perk up my day by growing on my houseplant. I love mushrooms. They are so cool.

[This post was imported on 4/10/14 from my old blog at]