[Mycology] identification of a species

[David Monniaux]

Hi,

I noticed you had relations with the Santa Cruz fungi fair. You might be
able to help me; I apologize if I'm asking the wrong person or if I'm
wasting your time.

I've noticed some bright orange mushrooms in the upper part of the UCSC
campus. I'm not familiar with American species, but I took a few
photographs including of an upturned cap:
http://www.flickr.com/photos/35349231@N00/382903022/

Would you happen to know what these are? (I'll upload to
commons.wikimedia.org once identified.)

Regards
D. Monniaux