Lactarius-yazooensis Smith & Hesler. Cap 5-15cm across, convex, depressed with an inrolled and minutely downy margin, then becoming broadly funnel-shaped with a naked margin; creamy yellow and cinnamon buff with distinct alternating darker zones of orange-yellow, rusty orange, or dull orange-red, gradually becoming paler in age; sticky, smooth. Gills adnate becoming decurrent, crowded, becoming moderately broad; pale pinky-cinnamon becoming more vinaceous to fawn and slowly staining brownish. Stem 20-60 x 10-25mm, short, thick, hard; whitish, becoming discolored in age; dry. Latex milk-white, unchanging, plentiful. Odor usual. Taste exceedingly acrid after 30 seconds. Spores subglobose to broadly ellipsoid, 7-9 x 6-7.5µ; ornamented with short sparsely branched ridges and isolated warts not in a reticulum, prominences 1-1.5µ high. Deposit buff-yellowish. Habitat in groups and dense tufts on grassy areas under oak and other hardwoods. Common. Found in southeastern North America to Texas. Season July-October. Not edible