Mushroom meme circulation: physical digital physical

MushroomThe real-world, a classic mushroom encountered in the mountains in the French Alps.

A digital representation in Super Mario Bros by Nintendo.

sf_mushies Back to the physical world with mario-like mushrooms spotted in San Francisco, next to Union Square.

Why do I blog this? sorting out some pictures of Flickr lead me to wonder about how meme circulate from the physical to the digital and the return to the physical.