Heath Navel Lichenomphalia umbellifera (L.) Redhead, Lutzoni, Moncalvo & Vilgalys syn. Omphalina ericetorum (Pers.) H.E. Bigelow syn. O. umbellifera (Fr.) Quél. (illustrated 45% life size) Cap 0.5–2cm across, convex then centrally depressed to funnel-shaped; yellow-buff to yellow-brown, sometimes with an olivaceous tinge; radially striate or grooved. Stem 10–20×2–4mm; more or less cap colour, often with darker brownish apex; base covered in white down. Flesh whitish to ochre; thin. Gills decurrent; pale yellowish-cream. Spores 8–9.5×4.5–5.5¼, elliptical. Spore print white. Habitat on peaty heathlands; late spring to late autumn. Common. Not edible.
