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

Rosette stalk 20–5
 long; leaves 3–5, 5–25 x 4–10mm. Flower stem 150–40
 tall; stem leaves 4–7, 15–75 x 3–7mm. Flowers 1–6, sometimes suberect, 14–16 x 7–9mm, translucent green with thin dark green stripes, shiny. Dorsal sepal tip orange-brown. Lateral sepals about as wide as galea, 13–15 x 7–9mm, widest towards base, margins curved, tips orange-brown. Petals with very small basal flanges, 12–15 x 3–4.5mm. Labellum 6–7.3 x 3–3.8mm, oblong, thick, fleshy, brown with dark brown to blackish stripe; most cells long and hair-like, rest bead-like.

Localised, growing on sheltered slopes and ridges in drier forests in freely draining gravelly or stony soil.