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.
Observação | KOH reaction (CA FunDiS) |
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Fotos / SonsObservadorarvelDescriçãoMostly Umbellularia californica (California bay) and some Sequoia sempervirens (Coast redwood) duff. Cap turned greenish gray and slightly channeled with KOH exposure (see last image). |
Greenish gray |
Fotos / SonsWhatGénero SclerodermaObservadorarvelDescriçãoTurned 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) |
Yellow | |
Fotos / SonsWhatChampinhons e Afins (Género Agaricus)Observadoralan_rockefellerDescriçãoCap 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 / SonsObservadoralan_rockefellerDescriçãoOn display at the Cuajimoloyas fungus fair. Cap turning green in KOH |
Green |
Fotos / SonsWhatSubgénero MinoresObservadoralan_rockefellerDescriçãoUnder 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 / SonsObservadoralan_rockefellerDescriçãoUnder Pinus banksiana. Taste and odor mildly raphanoid. Staining black in KOH. |
Black |
Fotos / SonsObservadoralan_rockefellerDescriçãoVery common in this area. Under pine. Immediately staining very dark purple with 3% KOH. |
Dark purple |
Fotos / SonsWhatGénero CortinariusObservadoralan_rockefellerDescriçãoImmediately staining dark red in 3% KOH. Under pine. |
Dark red |
Yellow | |
Fotos / SonsWhatGénero StrophariaObservadoralan_rockefellerDescriçãoGreen cap turns orange in KOH. Stem and cap viscid. |
Orange |
Fotos / SonsObservadorb4n4n4slugDescriçãoslow yellow stain, milk odor, chocolate brown spore print |
Yellow |
Red | |
chartreuse (greenish-yellow) | |
negative on stipe; difficult to tell the color rxn on the dark brown cap - somewhere between yellowish and brown | |
Fotos / SonsWhatGénero InocybeObservadortorres-grantDescriçãoI 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 / SonsWhatContumyces rosellusObservadortorres-grantDescriçãogreenish-yellow KOH rxn (last 2 images of the photo set) |
greenish-yellow on cap & stipe |
Fotos / SonsWhatGénero CortinariusObservadortorres-grantDescriçãoGrowing under Chamise; rapid dark KOH rxn |
rapid; very dark all over (black?) |
Fotos / SonsWhatGénero InocybeObservadortorres-grantDescriçãoGrowing 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 / SonsWhatAgrocybe pediadesObservadortorres-grantDescriçãoGrowing under salvia; white rhizomorphs; Agrocybe? |
faint red (purple under UV) |
Fotos / SonsWhatTrametes versicolorObservadordamontigheDescriçãoHAY-F-002783 scent = fruit and fish
|
brown on cap |
orange | |
Fotos / SonsObservadordamontigheDescriçãoStaining = blue, ~ 10 min reaction
|
red going to black over time |
none detected | |
slight brown darkening of the cap | |
none observed | |
weak to negative | |
Fotos / SonsWhatGénero CalonariusObservadortorres-grantDescriçãoSolitary 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 |
See third image: Cap and gills turned dark with a reddish orange brown hue after about two minutes | |
Fotos / SonsWhatPeziza arvernensisObservadortorres-grantDescriçãoKOH & UV rxn last 2 images
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grayish-brown on inside/outside of cup; darker and grayer on inside of cup |