Hydnellum concrescens (Pers. ex Schw.) Banker syn. H. zonatum (Fr.) Karst syn. H. velutinum var. zonatum (Fr.) Maas G. Gezonter Korkstacheling Hydne zoné, Zoned Tooth. Fruit bodies usually fusing together. Cap 2–7cm across, centrally depressed, radiately ridged, covered in coarse knobs or secondary caps, white to creamy-pink and velvety at first becoming fibrous-scaly and tan to dark brown in concentric zones, often with blackish blotches. Stem 5–5.5 x 2–10mm, velvety to matted, concolorous with cap. Smell mealy. Spines 1–3mm long, whitish, then pinkish-brown, finally dark purplish-brown. Spores of irregular outline, 5.5–6 x 4–4.5um. Habitat coniferous and deciduous woods. Season autumn. Uncommon. Inedible. Found In Europe.