People Are Just Realising Button Mushrooms Are The 'Wrong Colour', And I Had No Idea

<div><img src="https://img.huffingtonpost.com/asset/68e3935814000018f55c6f83.jpg?ops=scalefit_630_noupscale" alt="Button mushrooms" data-caption="Button mushrooms" data-credit-link-back="" data-credit="Kier in Sight Archives via Unsplash" />Button mushrooms</div><div class="content-list-component text"><p>I’m surprised by a lot of seemingly ordinary facts, like <a href="https://www.huffingtonpost.co.uk/entry/suit-sleeve-buttons-history_uk_68ca7b65e4b0765c8250f970">why sleeve buttons exist</a> and what the <a href="https://www.huffingtonpost.co.uk/entry/run-most-complex-word_uk_68dcfebce4b0f3800bcd7674">“most complex” word</a> in the English language is considered to be. </p><p>So you’d best believe I’m a regular peruser of Reddit’s <a href="https://www.reddit.com/r/todayilearned/" aria-haspopup="dialog" aria-expanded="false">r/todayilearned (TIL)</a>, where netizens share the mildly interesting scraps of trivia they, well... learned, today. </p><p>For site user <a href="https://www.reddit.com/user/amateurfunk/" aria-label="Author: amateurfunk" aria-haspopup="dialog" aria-expanded="true">u/amateurfunk</a>, a recent example involved the colour of button mushrooms (also known as “<a href="https://southmill.com/mushroom-varieties/" target="_blank" rel="noopener noreferrer">champignon mushrooms</a>”). </p><p>“TIL that champignon mushrooms were originally all light brown in colour,” they wrote.</p><p>But is that true?</p></div><div class="iframely-embed"><div class="iframely-responsive" style="height: 500px; padding-bottom: 0;"><a href="https://www.reddit.com/r/todayilearned/comments/1ny9gkf/til_tha