MushroomBot<p>Rickenella fibula</p><p><a href="https://www.mushroomexpert.com/Rickenella_fibula.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">mushroomexpert.com/Rickenella_</span><span class="invisible">fibula.html</span></a></p><p>Ecology: Probably saprobic but apparently involved in some sort of mutualism with moss; growing alone, scattered, or gregariously in moss beds; spring through fall, or over winter in warm climates; widely distributed in North America. The illustrated and described collections are from Illinois.</p><p>Cap: 2-10 mm across; blocky or squarish at first, becoming convex, then broadly convex, with or without a shallow central depression; tacky when fresh but soon dry; bald or, with a hand lens, very finely hairy; the margin translucent-lined by maturity; orange with a whitish margin when fresh and young; soon fading to yellowish orange overall, with a darker orange center.</p><p>Gills: Running deeply down the stem; distant or nearly so; short-gills in several tiers; creamy or very pale orange.</p><p>Stem: 5-45 mm long; 0.5-1.5 mm thick; equal; dry; bald; colored like the cap; basal mycelium white.</p><p>Flesh: Insubstantial; pale.</p><p>Odor and Taste: Not distinctive</p><p>Chemical Reactions: KOH negative on cap surface.</p><p>Spore Print: White.</p><p>Microscopic Features: Spores 3-4 x 1.5-2.5 m; ellipsoid; smooth; hyaline and 1- to 3-guttulate in KOH; inamyloid. Cheilocystidia and pleurocystidia 25-40 x 5-7.5 m; fusiform with tapered or subcapitate apices; thin-walled; hyaline in KOH; smooth. Pileipellis a tightly packed cutis with numerous pileocystidia 50-100 x 7.5-12.5 m, fusiform with wide bases and tapered, subcapitate, or capitate apices, thin-walled, smooth, hyaline in KOH.</p><p><a href="https://regenerate.social/tags/mushrooms" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mushrooms</span></a> <a href="https://regenerate.social/tags/fungi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fungi</span></a> <a href="https://regenerate.social/tags/mycology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mycology</span></a> <a href="https://regenerate.social/tags/shrooms" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>shrooms</span></a> <a href="https://regenerate.social/tags/mushtodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mushtodon</span></a> <a href="https://regenerate.social/tags/sporespondence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sporespondence</span></a> <a href="https://regenerate.social/tags/floraspondence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>floraspondence</span></a></p>