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Found in Nora’s Wood as part of my study to generate a funga report of the park starting in October 2020.

Unsure what this species is, there were dark droplets on the smaller mushrooms that stained my fingers a tobacco color, gills were very slug eaten but the small section has given a white to cream spore color. Found below a California incense cedar.

Fruiting in a streambed close to exposed roots of Alnus rhombifolia

This was the most abundant fruiting I found, and there was also Paxillus involutus fruiting with the same tree

Fresh pins show no evidence of partial veil, but the stipe of some mature fruitbodies seems to have a ring

Hymenium stains blue quickly

Dry older specimens acquire red tones on lower half of the stipe

Pores and stipe deep brown/red with KOH

Mild tasting.
Stipe white with light pink blush.
All gills reach stipe.
Yellow stains turning brown.
Gills cream to light yellow-cream.
Odor shrimpy.
Cap beautiful true red to gold or beige-white in some spots, not viscid in age, margin not sulcate.

ID is best guess. Fruiting from a moist, moss-covered stream embankment under tanoak on a dry day (no rain for over a week). 20 or so fruitbodies scattered singly across 5' x 8' area. They presented as small dark gray pins, but turned out to be brown under magnification. About 10-15mm tall with heads/caps 1-2mm. Wiry and flexible, bouncing back quickly after bending and releasing.

I was shocked to see around a dozen of these diminutive mushrooms coming up through the oak duff in late June. Their spores are bright yellow and although there was some bruising to the gills, the stipes did not change color even an hour after being cut in half. The stipes are striate and yellow along their length. I tried keying them out using "California Mushrooms: The comprehensive identification guide" but I kept coming up with some kind of Xerocomellus, but the lack of red on the stipe seems to eliminate that genus.