This specimen is the most “azure” of this species that I’ve run across. It was growing under spruce.

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How much is known about the toothed fungi?
By: Paul Derbyshire (Twizzler)
2009-11-02 12:28:43 CST (-0500)

They seem likely to me to be polyphyletic. Hydnellum in growth and corky/woody/tough structure seems related to some of the polypores and/or Thelephora type fungi. Its tendency to absorb twigs, pine needles, and the like is reminiscent of Ganoderma and close relatives. On the other hand, Pseudohydnum is clearly a jelly fungus, and some polypores (such as Trichaptum) have ragged pore surfaces that get toothlike. The spine structures differ in all three cases: on the Hydnellum observations I’ve seen they look like blunt-tipped cylinders; Pseudohydnum’s are cones (by personal eyewitnessing); and polypores like Trichaptum have flat triangular ones (because they’re really just modified pore walls).

And then there’s Hydnum repandum, Auriscalpium vulgare, and others that seem more closely related to the agarics and boletes than to the polypores and jelly fungi.

beautiful find.
By: Debbie Viess (amanitarita)
2009-11-02 11:03:26 CST (-0500)

Oregon has had tremendous toothed fungal diversity this year. A pleasure to see some a bit later in the season, a new species for me.

By: Noah Siegel (Noah)
2009-11-01 13:52:46 CST (-0500)

look to be right. Nice find and good pictures

H. cyanopodium looks good
By: Ron Pastorino (Ronpast)
2009-11-01 13:20:06 CST (-0500)
for this specimen. I had dried it and remember that when I cut it open there was no orange in the cap or stipe flesh. It was completely dark blackish blue and remained so after drying. I’ve added a couple of pictures of the few spores I was able to see fairly clearly and they are definitely in the jack-like category and also too small to be H. caeruleum. The McKnights( in Peterson Field Guides/ Mushrooms) call this species “Blue Foot”, so it does seem to fit. I’m also going to have to change MO# 14648 as it was found in the same area and appears to be the same species.
Cut in half lengthwise
By: Darvin DeShazer (darv)
2009-11-01 11:42:18 CST (-0500)

Hydnellums need a photo cut in half lengthwise to show the interior colors and the banding pattern. This is used in many of the keys in the literature and in this case could be used to separate these three species.

ahh, hydnellums
By: Danny Newman (myxomop)
2009-11-01 02:24:55 CST (-0500)

Found such a wonderful bouquet of Hydnellums on my last trip around Old Maid Flats, of which this was one of the most charismatic.