Black Trumpet (Horn of Plenty; Black Chanterelle; Trumpet of the Dead)
Dark brown to black, vase- or trumpet-shaped, with a wavy margin; no gills. Grows in groups of few to many on rocky, mossy hillsides in deciduous woods. June–September. Fruiting body funnel-shaped, hollow, often with wavy margin; upper surface dark brown to black; underside brown to gray when immature, turning salmony when mature; texture upper surface dry, sometimes smooth but more often rough and scaly, underside smooth to slightly veined. Spore print ocher-buff to ocher-orange. Spores magnified are elliptical, smooth, colorless.
There are no lookalikes in Missouri.