C. and Frog: The confusion might come from the common name "elm oyster," which is sometimes applied to Hypsizygus ulmarius. C, here's a page...
I would call it either Leccinum crocipodium (synonym for L. nigrescens) or Leccinum rugosiceps....
How about Phallus hadriani and Omphalotus illudens? http://www.mushroomexpert.com/phallus_impudicus.html...
Photogirl and Harri: It looks like Leucocoprinus fragilissimus to me: http://www.nybg.org/bsci/res/hall/fragile.html This species was originally...
That looks like Phallus rubicundus to me: http://www.mushroomexpert.com/phallus_rubicundus.html Note how the head is separated from the stem,...
Those look like unexpanded buttons of Lacaria ochropurpurea: http://www.mushroomexpert.com/laccaria_ochropurpurea.html Best wishes, Michael
The position at the base of an oak tree, and the orange colors with what looks like a whitish pore surface (to judge from the margins), might mean...
Hey Rob, would Melanoleuca be out of line?
Looks like there are veil fragments on some of the cap margins, and the buttons look like there's a veil involved. How about Hypholoma fasciculare...
Allelopath, Just making sure we're on the same track. I'm talking about the orange fuzzy stuff on the log behind the mushrooms (the "ozonium"),...
I agree with Frog that the host is a Russula (probably R. densifolia), but I think the parasite is probably Asterophora lycoperdoides. Your photo...
It looks Coprinellus domesticus to me. Little Coprinuses generally can't be identified by looking at them without a microscope--with a few...
Ola, aofimdodia. O prof. Tom Volk tem razao; e um "stinkhorn." Mas tenho a certeza que e Phallus impudicus, o talvez Phallus hadriani....
That's Laetiporus cincinnatus, which has a white pore surface and grows at the bases of oaks. Laetiporus sulphureus has a yellow to orange pore...
Yes, though it has seen better days. Best wishes, Michael