Observation field: KOH (aq) Test

Testing for color changes when potassium hydroxide solution is dripped onto the specimen

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Observations specifying this field

Observation	KOH (aq) Test
Photos / Sounds 9 photos What Field Mushrooms and Allies (Family Agaricaceae) Observer matangoo Date September 10, 2023 08:44 AM JST Place 35.3430..., 139.340... (Google, OSM) Date Added September 10, 2023 02:48 AM UTC 3 comments 2 IDs Needs ID View	yellow
Photos / Sounds 2 photos What Amanita Sect. Phalloideae (Section Phalloideae) Observer takahiro_yanagi Date October 1, 2023 Place 39.7961..., 140.780... (Google, OSM) Date Added November 29, 2023 03:23 AM JST Description ドクツルタケの仲間。たくさん生えていました。KOHで黄変。つぼは球形。詳しい方によると柄のだんだら模様の有無はあまり同定のあてにはならないとのこと。ヨーロッパのドクツルタケはつぼが饅頭型で柄がつぼに深くささりこむ。一方のニオイドクツルタケは深くささりこまないとのこと。 3 IDs Needs ID View	yellow
Photos / Sounds 6 photos What Atkinson's Lepidella (Amanita atkinsoniana) Observer jyojiirisa Date October 15, 2023 01:43 PM JST Place 34.7284..., 135.667... (Google, OSM) Date Added October 31, 2023 12:17 AM JST 2 IDs Research Grade View	yellow
Photos / Sounds 3 photos What Oberwinkler's Destroying Angel (Amanita oberwinkleriana) Observer tautawan Date October 15, 2023 12:16 PM JST Place 上柚木, 八王子市, 東京都, JP (Google, OSM) Date Added October 16, 2023 01:33 AM UTC Description KOH黄変なし 2 IDs Research Grade View	negative
Photos / Sounds 16 photos What Mushrooms, Bracket Fungi, Puffballs, and Allies (Class Agaricomycetes) Observer atsushi_nakajima_cirque Date September 17, 2023 10:31 AM JST Place 日本、神奈川県横浜市金沢区野島町野島公園 (Google, OSM) Date Added September 17, 2023 09:20 PM JST Description KOHで褐色になるが顕微鏡的にはウスキカワタケではない Tags KK_202309_Nojima 1 ID Needs ID View	brown
Photos / Sounds 10 photos What Boletes and Allies (Order Boletales) Observer fourkilorouenne Date July 31, 2021 02:56 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 1 ID Needs ID View	Cap Surface: Yellow/Rust ... Cap Flesh: Yellow ... Stem Surface: Yellow ... Stem Flesh: Yellow
Photos / Sounds 7 photos What Pinkgills (Genus Entoloma) Observer fourkilorouenne Date July 31, 2021 02:58 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 1 ID Needs ID View	Cap Surface: - ... Cap Flesh: - ... Stem Surface: - ... Stem Flesh: -
Photos / Sounds 7 photos What Mushrooms, Bracket Fungi, Puffballs, and Allies (Class Agaricomycetes) Observer fourkilorouenne Date July 31, 2021 02:55 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 1 ID Needs ID View	Negative
Photos / Sounds 8 photos What Milkcaps, Brittlegills and Allies (Family Russulaceae) Observer fourkilorouenne Date July 31, 2021 02:45 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 1 ID Needs ID View	Cap Surface: - ... Cap Flesh: Yellow/Rust ... Stem Surface: - ... Stem Flesh: -
Photos / Sounds 9 photos What Slippery Jacks (Genus Suillus) Observer fourkilorouenne Date July 31, 2021 02:43 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 3 IDs Needs ID View	Cap Surface: Black ... Cap Flesh: Blue ... Stem Surface: Red/Rust ... Stem Flesh: Blue
Photos / Sounds 11 photos What Chicken Fat Mushroom (Suillus americanus) Observer fourkilorouenne Date July 31, 2021 02:41 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 2 IDs Needs ID View	Cap Surface: Brown ... Cap Flesh: Blue ... Stem Surface: Brown ... Stem Flesh: Red -> Blue
Photos / Sounds 7 photos What Brittlegills (Genus Russula) Observer fourkilorouenne Date July 31, 2021 02:25 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 1 ID Needs ID View	Cap Surface: Yellow ... Cap Flesh: Yellow ... Stem Surface: Yellow ... Stem Flesh: Yellow
Photos / Sounds 10 photos What Milkcaps, Brittlegills and Allies (Family Russulaceae) Observer fourkilorouenne Date July 31, 2021 02:20 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 1 ID Needs ID View	Cap Surface: Yellow ... Cap Flesh: Yellow ... Stem Surface: Yellow ... Stem Flesh: Yellow
Photos / Sounds 12 photos What Brittlegills (Genus Russula) Observer fourkilorouenne Date July 31, 2021 02:13 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 1 ID Needs ID View	Cap Surface: Yellow ... Cap Flesh: Yellow ... Stem Surface: - ... Stem Flesh: Yellow
Photos / Sounds 9 photos What Brittlegills (Genus Russula) Observer fourkilorouenne Date July 31, 2021 02:09 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 1 ID Needs ID View	Cap Surface: - ... Cap Flesh: - ... Stem Surface: - ... Stem Flesh: -
Photos / Sounds 10 photos What Amanita Mushrooms (Genus Amanita) Observer fourkilorouenne Date July 31, 2021 02:06 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 1 comment 3 IDs Needs ID View	Cap Surface: - ... Cap Flesh: - ... Stem Surface: - ... Stem Flesh: -
Photos / Sounds 8 photos What Common Gilled Mushrooms and Allies (Order Agaricales) Observer fourkilorouenne Date July 31, 2021 02:08 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 1 ID Needs ID View	Cap Surface: Yellow ... Cap Flesh: Yellow ... Stem Surface: Yellow ... Stem Flesh: Yellow
Photos / Sounds 7 photos What Common Milkcaps (Genus Lactarius) Observer fourkilorouenne Date July 31, 2021 02:04 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 1 ID Needs ID View	Cap Surface: - ... Cap Flesh: - ... Stem Surface: - ... Stem Flesh: -
Photos / Sounds 10 photos What Painted Suillus (Suillus spraguei) Observer fourkilorouenne Date July 31, 2021 02:00 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 2 IDs Research Grade View	Cap Surface: Brown ... Cap Flesh: Brown ... Stem Surface: Black ... Stem Flesh: Black
Photos / Sounds 7 photos What Boletes and Allies (Order Boletales) Observer fourkilorouenne Date July 31, 2021 01:56 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 1 ID Needs ID View	Cap Surface: Yellow ... Cap Flesh: - ... Stem Surface: Brown ... Stem Flesh: -
Photos / Sounds 7 photos What Boletes and Allies (Order Boletales) Observer fourkilorouenne Date July 31, 2021 01:55 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT 1 ID Needs ID View	Cap Surface: Orange/Brown ... Cap Flesh: Orange/Brown ... Stem Surface: Orange/Brown ... Stem Flesh: Orange/Brown
Photos / Sounds 6 photos What Boletes and Allies (Order Boletales) Observer fourkilorouenne Date July 31, 2021 01:55 PM EDT Place Holderness, NH, USA (Google, OSM) Date Added July 31, 2021 10:47 PM EDT Description Shape looks like Boletinellus merulioides but the trees here were mostly oak and hemlock 1 ID Needs ID View	Cap Surface: Brown ... Cap Flesh: Brown ... Stem Surface: Brown ... Stem Flesh: Brown/Black