MushroomBot<p>Amanita arkansana</p><p><a href="https://www.mushroomexpert.com/Amanita_arkansana.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">mushroomexpert.com/Amanita_ark</span><span class="invisible">ansana.html</span></a></p><p>Ecology: Mycorrhizal with oaks; summer; distributed east of the Great Plains from roughly I-70 southward. The illustrated and described collections are from Illinois and Indiana.</p><p>Cap: 8-16 cm across; oval at first, expanding to convex and, later, planoconvex; bald; sticky when fresh, but soon dry; when young yellowish orange with or without a yellow marginal area, becoming yellowish orange to yellow overall, with a brownish orange to brownish yellow center; without warts or patches; the margin grooved for several centimeters.</p><p>Gills: Free from the stem or slightly attached to it; whitish to pale yellow; close; not discoloring; short-gills present.</p><p>Stem: 10-20 cm long; 1-2.5 cm thick; tapering slightly to apex; base even, or with a slight bulb; dry; bald or finely silky; whitish to yellowish; with a white to pale yellow, skirtlike ring and a white, sacklike volva.</p><p>Flesh: White; not staining on exposure.</p><p>Odor: Not distinctive.</p><p>Spore Print: White.</p><p>Microscopic Features: Spores 8-10 x 5-7 m; broadly ellipsoid to subamygdaliform; smooth; hyaline in KOH; inamyloid. Basidia 4-sterigmate. Hymenial cystidia not found. Subhymenium cellular. Pileipellis an ixocutis of elements 2-4 m wide, hyaline to yellowish 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>