Chapsa niveocarpa (LCUF HN19508) A habit of thallus with apothecia B apothecium (part of pruina scraped off) C section of apothecium with periphysoids (direction of arrow) D paraphyses with hyaline granules E ascus F ascospore with halo. Scale bars: 1 mm (A); 0.5 mm (B); 50 μm (C); 25 μm (D); 30 μm (E); 25 μm (F).