Found in urban or rural environments, on roadsides or grasslands, they are very likely introduced species A yellow to orange to red conical waxcap whose cap, gills, stipe, and flesh all blacken with age or bruising. Occurs worldwide in grasslands, dunes, and woodlands.

Pileus: Shape: Narrowly conical when young, later conical‑convex or convex with a distinct umbo. Size: Typically 20-35 mm, Surface: Smooth, moist to viscid when fresh; often finely fibrillose. Colour: Bright yellow, orange, scarlet, or red; often fading with age. Blackening: All parts stain grey to black with handling or age. Margin: Straight to lobed; sometimes cracked or furrowed in older specimens.
Lamellae: Attachment: Adnexed to narrowly attached; occasionally nearly free. Spacing: Close to moderately distant; thick, waxy. Colour: White to pale yellow to orange to grey to black with age or bruising. Edge: Entire, concolorous; no cystidia.
Stipe: Size: 30-60 mm x 3-8 mm (rarely thicker). Colour: Yellow to orange-red; whitish at base. Surface: Smooth to fibrillose; sometimes grooved or twisted; dry to slightly viscid. Interior: Hollow, fragile; blackens readily
Context: Thin, waxy; coloured like cap; slowly blackening when exposed.
Odour/tast: Not distinctive.