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Lepiota spiculata. (A) Ink drawing of microscopical traits. Bars: (a) spores 5 μm; (b) cheilocystidia 20 μm; (c) pileipellis 100 μm; (d) basidia 20 μm (drawings by A. Bizzi). (B) Wieland-Meixner test: negative control (left column) and blue-green positive reaction (right column) (photo by C. Angelini).
