What’s This?

Here’s a little quiz for you Sunday readers. What is this a photo of? Click for larger version.

I’m absolutely crap at these sorts of thing, so this could be incredibly easy. Those who know where I was yesterday have a pretty major clue, so you may want to hold off for a bit and give the others a chance.

UPDATE: I’ve put the answer after the jump.

ANSWER: Indeed, as a couple of people guessed over on Flickr, it is indeed a mushroom. It’s a wild one growing on Pender Island.