Hygrocybe psittacina (parrot waxy cap)?
Plus globular springtails.
Coprinus sp. (C. micaceus?)
Gyromitra sp. (G. californica?)
Helvella lacunosa. Rancho San Antonio OSP.
Hypomyces cervinigenus, parasitic on Helvella lacunosa. Mills Creek Canyon Park, Burlingame.
Bolbitius vitellinus (sunny-side up)
Omphalotus olivascens, the Jack O'Lantern mushroom
Omphalotus olivascens, western jack-o-lantern mushroom. Windy Hill OSP.
Omphalotus olivascens, western jack-o-lantern mushroom
Unknown mushrooms at Monte Bello OSP
Puffball (Lycoperdon sp.?)
Unknown mushroom at Wunderlich
A cute LBM (little brown mushroom) growing with moss on a dead log. It's about an inch high. Likely a Mycena? Monte Bello OSP.
Agaricus augustus ("The Prince"). This is a young cap with classic "marshmallow" shape; the partial veil is still covering the gills. Diameter of cap about 6 cm.
Suillus of some sort? Monte Bello OSP.
A bolete that was uprooted by the Mushroom Stompers.
Suillus sp. from 3Dec2010 foray in Huddart Park
Lots of these boletes at Lost Trancos OSP in hardwood forest Nov. 09. I think this is B. regius, the red-capped butter bolete. The pores are very narrow--spongy even--and are yellow, bruising blue. Cap diameters were usually 4-6".
Russula sp. fluoresces blue when illuminated by UV light. That's the blue area right of center, and the UV flashlight itself is seen in the lower right corner. Monte Bello OSP.
Cortinarius? Clitocybe nuda (blewit)?
Craterellus (probably cornucopioides, horn of plenty) at Monte Bello OSP
Mushrooms (2 cm across cap) at Arastradero Preserve
Russula sp. (?) in the forest duff. Monte Bello OSP.
Russula sp.? Emerging from the duff in Los Trancos OSP.
Lepiota sp.? Lactarius torminosus?