Pterostylis ferruginea (D.L.Jones) G.N.Backh.

Rosette leaves 6–10, obovate, 15–60 x 6–20mm, prominently veined. Flower stem 100–40
 tall, 1–
 thick, 2–10-flowered. Sterile bracts 3–5. Flowers porrect, 18–22 x 6–8mm, hood translucent white with dark olive green bands and tones, lateral sepals red-brown, shiny (whole flowers can range from rusty-brown to greenish-black). Dorsal sepal point acuminate, 1–
 long. Lateral sepals reflexed back towards ovary, as wide as hood, shallowly concave to nearly flat, margins incurved, glabrous, gradually tapered into free points; free points 1–
 long, weakly divergent. Petals with large basal flanges which do not meet, 8–11 x 3–4mm. Labellum oblong, 3.8–4.2 x 1.8–2mm, fleshy, dark red-brown, apex blunt; basal lobe thick, with very short white bristles; margins with 8–12 white bristles 1–1.
 long.

Localised, growing in open forest and woodland with sparse shrubby or heathy understorey in freely draining sandy loam. Once widespread but now much less common due to habitat loss.