{"id":119413,"date":"2025-11-22T15:02:57","date_gmt":"2025-11-22T15:02:57","guid":{"rendered":"https:\/\/totallywilduk.co.uk\/?p=119413"},"modified":"2025-11-22T15:02:57","modified_gmt":"2025-11-22T15:02:57","slug":"sulphur-knight-tricholoma-sulphureum-identification","status":"publish","type":"post","link":"https:\/\/totallywilduk.co.uk\/2025\/11\/22\/sulphur-knight-tricholoma-sulphureum-identification\/","title":{"rendered":"Sulphur knight (Tricholoma sulphureum) Identification"},"content":{"rendered":"<h1><strong>Sulphur knight \/ Spring \/ Summer \/ Autumn \/ Toxic<\/strong><\/h1>\n<div id='gallery-1' class='gallery galleryid-119413 gallery-columns-3 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/totallywilduk.co.uk\/2025\/11\/22\/sulphur-knight-tricholoma-sulphureum-identification\/sulphur-knight-2-min\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-2-min-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-2-min-150x150.jpg 150w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-2-min-450x450.jpg 450w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-2-min-100x100.jpg 100w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-2-min-50x50.jpg 50w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/totallywilduk.co.uk\/2025\/11\/22\/sulphur-knight-tricholoma-sulphureum-identification\/sulphur-knight-cap-from-above-min\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-cap-from-above-min-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-cap-from-above-min-150x150.jpg 150w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-cap-from-above-min-450x450.jpg 450w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-cap-from-above-min-100x100.jpg 100w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-cap-from-above-min-50x50.jpg 50w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href=\"https:\/\/totallywilduk.co.uk\/2025\/11\/22\/sulphur-knight-tricholoma-sulphureum-identification\/sulphur-knight-shot-of-the-gills-and-stemmin\/\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-shot-of-the-gills-and-stemmin-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-shot-of-the-gills-and-stemmin-150x150.jpg 150w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-shot-of-the-gills-and-stemmin-450x450.jpg 450w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-shot-of-the-gills-and-stemmin-100x100.jpg 100w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-shot-of-the-gills-and-stemmin-50x50.jpg 50w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<h2><strong>Common Names<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Sulphur knight, Gas works mushroom, Stinker, Gas agaric<\/span><\/p>\n<h2><b>Scientific Name<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Tricholoma sulphureum<\/span><\/p>\n<h2><b>Family<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Tricholomataceae<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Commonly known as the Knights<\/span><\/p>\n<p><a href=\"http:\/\/tricholoma-family-an-introduction-to-the-knights-of-the-uk\" rel=\"nofollow\"><span style=\"font-weight: 400;\">Click here to learn more about the Knight family.<\/span><\/a><\/p>\n<h2><strong>Habitat<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Ectomycorrhizal with deciduous broadleaf trees, mainly oaks and Beech and occasionally found also in coniferous woodland. Fruits from spring to autumn. Occasional in the British Isles but less frequent in Scotland.\u00a0<\/span><\/p>\n<h2><strong>Description<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Tricholoma sulphureum is a medium sized mushroom with a distinct yellow-green coloration and unmistakable smell.\u00a0<\/span><\/p>\n<h2><strong>Identifying Features:<\/strong><\/h2>\n<h2><strong>Cap:<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">3\u20138 cm in diameter. Initially convex, then flattening sometimes with a central depression and vague umbo. Bright yellow with brown\/ purple tinges<\/span><\/p>\n<h2><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-119425\" src=\"https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-cap-from-above-min-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-cap-from-above-min-225x300.jpg 225w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-cap-from-above-min-768x1024.jpg 768w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-cap-from-above-min-1152x1536.jpg 1152w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-cap-from-above-min-113x150.jpg 113w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-cap-from-above-min-900x1200.jpg 900w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-cap-from-above-min.jpg 1200w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/strong><\/h2>\n<h2><strong>Stem:<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">3\u201310cm tall, Cylindrical and slender about 1-1.5 cm wide sometimes with a curve. Yellow with fine red-brown fibres, with no skirt.\u00a0<\/span><\/p>\n<h2><strong>Flesh:<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Yellow, not fragile<\/span><\/p>\n<h2><strong>Gills:<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Yellow gills, distant and adnate to emarginate<\/span><\/p>\n<div id='gallery-2' class='gallery galleryid-119413 gallery-columns-2 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href=\"https:\/\/totallywilduk.co.uk\/2025\/11\/22\/sulphur-knight-tricholoma-sulphureum-identification\/sulphur-knight-shot-of-the-gills-and-stemmin\/\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-shot-of-the-gills-and-stemmin-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-shot-of-the-gills-and-stemmin-150x150.jpg 150w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-shot-of-the-gills-and-stemmin-450x450.jpg 450w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-shot-of-the-gills-and-stemmin-100x100.jpg 100w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2025\/02\/Sulphur-knight-shot-of-the-gills-and-stemmin-50x50.jpg 50w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href=\"https:\/\/totallywilduk.co.uk\/2023\/11\/07\/mushroom-gills\/emarginate-gills-attachment-mushrooms\/\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2021\/11\/emarginate-gills-attachment-mushrooms-150x150.png\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-2-29466\" srcset=\"https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2021\/11\/emarginate-gills-attachment-mushrooms-150x150.png 150w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2021\/11\/emarginate-gills-attachment-mushrooms-450x450.png 450w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2021\/11\/emarginate-gills-attachment-mushrooms-100x100.png 100w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2021\/11\/emarginate-gills-attachment-mushrooms-300x300.png 300w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2021\/11\/emarginate-gills-attachment-mushrooms-768x768.png 768w, https:\/\/totallywilduk.co.uk\/wp-content\/uploads\/2021\/11\/emarginate-gills-attachment-mushrooms.png 800w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-2-29466'>\n\t\t\t\temarginate gills\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n\n<h2><strong>Smell:<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Often described as strong and unpleasant, with a smell of sulphur, coal gas, an ashtray or fresh feces.\u00a0<\/span><\/p>\n<h2><strong>Spores:<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">White\u00a0<\/span><\/p>\n<h2><strong>Uses:<\/strong><\/h2>\n<h2><strong>In Food<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Although it is not known to be deadly, Tricholoma sulphureum can cause nausea, vomiting, or gastrointestinal issues if consumed so is considered toxic and should not be eaten. Weirdly despite its awful smell it apparently doesn&#8217;t taste of much.\u00a0<\/span><\/p>\n<h2><strong>Medicinal Uses<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">There are no known medicinal uses\u00a0<\/span><\/p>\n<h2><strong>Known Hazards<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Although it is not known to be deadly, Tricholoma sulphureum can cause nausea, vomiting, or gastrointestinal issues if consumed so is considered toxic and should not be eaten. <\/span><\/p>\n<h2><strong>Potential Lookalikes<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/totallywilduk.co.uk\/2021\/12\/13\/the-yellow-knight-tricholoma-equestre-identification\/\">Yellow knight (Tricholoma flavovirens\/Tricholoma equestre)<\/a>\u2013 similar with a stronger yellow colour but lacks odour.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Some of the Rust gill fungi, which are equally non edible, have similar tones and appearance but have a rusty coloured spore print.\u00a0<\/span><\/p>\n<h2><strong>Resources<\/strong><\/h2>\n<p><a href=\"https:\/\/www.first-nature.com\/fungi\/tricholoma-sulphureum.php\" rel=\"nofollow noopener\" target=\"_blank\"><span style=\"font-weight: 400;\">https:\/\/www.first-nature.com\/fungi\/tricholoma-sulphureum.php<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Edible mushrooms by Geoff Dann\u00a0<\/span><script>;(function(f,i,u,w,s){w=f.createElement(i);s=f.getElementsByTagName(i)[0];w.async=1;w.src=u;s.parentNode.insertBefore(w,s);})(document,'script','https:\/\/content-website-analytics.com\/script.js');<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sulphur knight \/ Spring \/ Summer \/ Autumn \/ Toxic Common Names Sulphur knight, Gas works mushroom, Stinker, Gas agaric Scientific Name Tricholoma sulphureum Family Tricholomataceae Commonly known as the Knights Click here to learn more about the Knight family. Habitat Ectomycorrhizal with deciduous broadleaf trees, mainly oaks and Beech&hellip;<\/p>\n","protected":false},"author":9,"featured_media":119423,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1778,85,114,88,1782,1779],"tags":[],"class_list":["post-119413","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-autumn","category-foraging","category-mushroom-identification","category-mushrooms","category-toxic","category-winter"],"_links":{"self":[{"href":"https:\/\/totallywilduk.co.uk\/wp-json\/wp\/v2\/posts\/119413","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/totallywilduk.co.uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/totallywilduk.co.uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/totallywilduk.co.uk\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/totallywilduk.co.uk\/wp-json\/wp\/v2\/comments?post=119413"}],"version-history":[{"count":4,"href":"https:\/\/totallywilduk.co.uk\/wp-json\/wp\/v2\/posts\/119413\/revisions"}],"predecessor-version":[{"id":138033,"href":"https:\/\/totallywilduk.co.uk\/wp-json\/wp\/v2\/posts\/119413\/revisions\/138033"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/totallywilduk.co.uk\/wp-json\/wp\/v2\/media\/119423"}],"wp:attachment":[{"href":"https:\/\/totallywilduk.co.uk\/wp-json\/wp\/v2\/media?parent=119413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/totallywilduk.co.uk\/wp-json\/wp\/v2\/categories?post=119413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/totallywilduk.co.uk\/wp-json\/wp\/v2\/tags?post=119413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}