Describe any reaction to 5% KOH solution applied to various tissues of macrofungi. Show pictures of the reaction as well. Use "untested" or "insignificant" for specimens that were not tested or showed no obvious result respectively.

Tipo de dados: text
Criado por: malacothrix malacothrix

Observações especificando este campo

Observação KOH reaction (CA FunDiS)

Fotos / Sons

Observador

arvel

Data

Fevereiro 23, 2024 05:13 PM PST

Descrição

Mostly Umbellularia californica (California bay) and some Sequoia sempervirens (Coast redwood) duff.

Cap turned greenish gray and slightly channeled with KOH exposure (see last image).

Etiquetas

Greenish gray

Fotos / Sons

Observador

arvel

Data

Novembro 19, 2023 02:15 PM PST

Descrição

Turned reddish brown on exterior with KOH. Along margin of trail coincident with Alnus rhombifolia

Orange-brown on skin (see bottom-most ball on the left of first image)

Fotos / Sons

Observador

alan_rockefeller

Data

Setembro 1, 2012

Descrição

Under oak.

Yellow

Fotos / Sons

What

Champinhons e Afins (Género Agaricus)

Observador

alan_rockefeller

Data

Junho 23, 2013

Descrição

Cap stains bright red in KOH. Almond odor. Growing on the side of the road under hardwoods.

Alonso made some cultures from this collection and deposited the dried material in the XAL herbarium.

Red

Fotos / Sons

Observador

alan_rockefeller

Data

Julho 21, 2013

Descrição

On display at the Cuajimoloyas fungus fair.

Cap turning green in KOH

Green

Fotos / Sons

Observador

alan_rockefeller

Data

Setembro 2, 2017

Descrição

Under mixed hardwoods on the side of a dry river bank. Odor and taste mild and of almond. All parts bright yellow in KOH.

Yellow

Fotos / Sons

Observador

alan_rockefeller

Data

Outubro 9, 2020 12:14 PM EDT

Descrição

Under Pinus banksiana. Taste and odor mildly raphanoid. Staining black in KOH.

Black

Fotos / Sons

Observador

alan_rockefeller

Data

Setembro 5, 2010

Descrição

Very common in this area. Under pine. Immediately staining very dark purple with 3% KOH.

Dark purple

Fotos / Sons

Observador

alan_rockefeller

Data

Agosto 21, 2010

Descrição

Immediately staining dark red in 3% KOH. Under pine.

Dark red

Fotos / Sons

Observador

alan_rockefeller

Data

Setembro 10, 2023 01:36 PM CST

Descrição

Odor of almonds, all parts bright yellow in KOH.

Yellow

Fotos / Sons

Observador

alan_rockefeller

Data

Agosto 26, 2022 07:40 PM CDT

Descrição

Green cap turns orange in KOH. Stem and cap viscid.

Orange

Fotos / Sons

Observador

b4n4n4slug

Data

Dezembro 12, 2019 02:55 PM PST

Descrição

slow yellow stain, milk odor, chocolate brown spore print

Yellow

Fotos / Sons

Observador

brittanyalyse

Data

Outubro 30, 2021 04:22 PM PDT

Descrição

Tanoak forest
Stains red on cap, stipe, and gills

Red

Fotos / Sons

Observador

torres-grant

Data

Abril 2023

Descrição

Contumyces rosellus?

chartreuse (greenish-yellow)

Fotos / Sons

Observador

torres-grant

Data

Abril 2023
negative on stipe; difficult to tell the color rxn on the dark brown cap - somewhere between yellowish and brown

Fotos / Sons

Observador

torres-grant

Data

Março 2023

Descrição

I think... solitary fruitbody growing under Chamise; there was a small tree in the vicinity, which I thought might be an oak, but others have thought it was Rhamnus https://www.inaturalist.org/observations/152341460

negative under natural light; where KOH applied: gills bright lavender, flesh yellowish

Fotos / Sons

Observador

torres-grant

Data

Março 2023

Descrição

greenish-yellow KOH rxn (last 2 images of the photo set)

greenish-yellow on cap & stipe

Fotos / Sons

Observador

torres-grant

Data

Março 2023

Descrição

Growing under Chamise; rapid dark KOH rxn

rapid; very dark all over (black?)

Fotos / Sons

Observador

torres-grant

Data

Março 2023

Descrição

Growing at the base of a salvia shrub with Chamise nearby and a small oak tree about 30' away. Video of habitat: https://photos.app.goo.gl/5G84VnmLA1VE9iKo8

medium brown on cap; negative elsewhere; under UV: no change on cap; periwinkle blue on flesh; blue-green at base of stipe

Fotos / Sons

Observador

torres-grant

Data

Março 2023

Descrição

Growing under salvia; white rhizomorphs; Agrocybe?

faint red (purple under UV)

Fotos / Sons

Observador

damontighe

Data

Março 25, 2023 05:10 PM PDT

Descrição

HAY-F-002783

scent = fruit and fish
KOH = brown

brown on cap

Fotos / Sons

Observador

damontighe

Data

Março 25, 2023 04:45 AM PDT

Descrição

HAY-F-002782

orange

Fotos / Sons

Observador

damontighe

Data

Março 25, 2023 06:56 PM PDT

Descrição

Staining = blue, ~ 10 min reaction
taste = alkaloid bitter
smell = sour
texture = like foam, able to easily peal off wood
host = Pinus sabiana
UVF 365 nm = orange
KOH = red to black over time

red going to black over time

Fotos / Sons

Observador

damontighe

Data

Março 24, 2023 06:08 PM PDT

Descrição

HAY-F-002779

none detected

Fotos / Sons

Observador

damontighe

Data

Março 24, 2023 04:56 PM PDT

Descrição

HAY-F-002771

slight brown darkening of the cap

Fotos / Sons

Observador

damontighe

Data

Março 24, 2023 05:07 PM PDT

Descrição

HAY-F-002773

none observed

Fotos / Sons

Observador

torres-grant

Data

Março 2023

Descrição

Not sure about this one...

weak to negative

Fotos / Sons

Observador

torres-grant

Data

Março 2023

Descrição

Solitary fruitbody growing under oak; other nearby plants included Toyon and Poison Oak; Gray Pine was on the vicinity but further away; KOH rxn (last 4 images of the photo set) was rapid and bright wine red on cap and bulb (negative on stipe); UV rxn was bluish-green where KOH was applied at context-gill interface

rapid bright wine red on cap & bulb; weak to brownish on flesh and gills; negative on stipe

Fotos / Sons

Observador

arvel

Data

Março 25, 2023 01:29 PM PDT
See third image: Cap and gills turned dark with a reddish orange brown hue after about two minutes

Fotos / Sons

Observador

torres-grant

Descrição

KOH & UV rxn last 2 images
In the last 3 images the top piece of tissue was the outside of the cup fungi, and the bottom piece of tissue was the inside of the cup.

grayish-brown on inside/outside of cup; darker and grayer on inside of cup
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