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Mixed hardwood/conifer forest in the Madeline Sone Wildlife Preserve
Growing on a ~2in diameter Umbellularia californica branch in a Sequoia sempervirens and Umbellularia californica dominant forest by creek
Reflexed body form with a dark brown/black cap and margin. Hymenophore dingy, off-white to grey with irregular, angular pores
Smells like an auto mechanic shop- hints of petrochemicals and slightly metallic
KOH indistinct

KOH reaction went from green to bright yellow within a few minutes. Rusty brown spores evident where gills attach to stipe (not shown as clearly in photograph). Was found growing in mixed tanoak/madrone/conifer forest.

San Vicente Redwoods- Mixed hardwood/conifer forest that burned in the 2020 CZU fire
Growing from a burned piece of wood under Quercus agrifolia, Arbutus menziesii and Pseudotsuga menziesii. Found on the side of the forest that burned at low intensity in the 2020 CZU due to cultural fire
Small cups with an olive green-brown hymenophore and a light brown exciple
Smell indistinct

Mixed hardwood/conifer forest in the Madeline Sone Wildlife Preserve
Growing on cut woody Toxicodendron diversilobum vine which was lying on the ground under a canopy of Quercus agrifolia
Tiny, black lumps growing on the exterior of vine, about 25% displaying a vertical, rectangular ascomata resembling compressed layers of carbon

fruiting on road cut beneath Quercus agrifolia.

Helvella dryophilla and Peziza also emerging from the same hill side. Most of the specimens I found looked like they had already been partially eaten by some animal

flesh was lavendar in direct sunlight
no obvious scent to me but every specimen on this hill side had been eaten and within 5 minutes of it being in my office the grain moths were swarming it so it must be producing some sort of attractant the mammalian or just my nose can't detect

Microscopy:
irregular asci - ~120 um x 25 um
round spores - 12-13 um with thick wall

Bohemia Ecological Preserve- mixed hardwood/conifer forest with scattered grasslands on serpentine vein, adjacent to Duvoul Creek
Found under Arctostaphylos bakeri, buried amongst duff on the edge of grassland
Sporangia resembling little white tufts on extremely thin, black, hair-like stalks extending in all directions from decomposing Arctostaphylos bakeri flowers

On interior surface of bark from well-decayed alder log under unidentifiable rotting agaric, maybe a Clitocybe? Long fibers along the entire length of stipe, shorter fibers on cap appearing powdery silver, easily brushed away revealing smooth dark cap. Gills with blue UV fluorescence

Mixed hardwood/conifer coastal forest, private property in Gualala
Growing in Pseudotsuga menziesii duff in a stand of young Pseudotsuga menziesii
Pileus peachy to flesh colored, smooth, umbilicate. Lamellae white, broadly attached. Stipe short, equal with thick white rhizomorphs
Smell slightly sweet
Taste farinaceous
KOH mild yellow on cap

Growing under Chamise in a shallow depression in the soil; mostly Chamise, but there were 2 Pinus sabiniana nearby (closest was about 15'-20' away); no detectable odor; did not taste; KOH rxn negative; observed with @panayotova; this was our second season observing this species in the same exact location (See https://www.inaturalist.org/observations/147170328 for DNA sequenced collection.)

Large, densely cespitose groups in planter with tomatoes and rosemary, appearing after tropical storm. Downy/fuzzy universal veil tissue dense on cap, extending down the stipe, also present on annulus which is weak and falls away easily. Veil tissue very soft to touch, becoming sleek on cap with desiccation. Stipe bases enmeshed in stringy mat of plant roots (both rosemary and tomato.) Strong fungal smell, rotting fruitbodies were attracting flies. Very mild taste, almost flavorless. No UV fluorescence. Even the fresher fruitbodies are weak and floppy, falling over easily without plant/planter wall/other fruitbodies to lean on. Rotten fruitbodies very strong smell, turning black/brown.

Fruiting in small cluster (5 fruiting bodies) hypogeously near decayed branch. Pinus contorta and Abies magnifica/concolor nearby. Interesting odor, which took some time to develop. It smells like a mixture of leather, feet, and something akin to roasted coffee.

Wet trailcut soil with Ceanothus, toyon, chamise. Felty grey fibrous cap with depress in center, deeply decurrent gills. Similar to https://www.inaturalist.org/observations/198874667 collected earlier in the same month at the same location, which was much larger and more upright, unclear if the same.