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

Rosette stalk 30–60 mm long; leaves 3–5, 10–35 × 3–6 mm. Flower stem 150–450 mm tall; stem leaves 5–7, 30–70 × 3–5 mm. Flowers 1–8, 13–15 × 4.5–6.5 mm, mostly pale translucent green with thin dark green stripes. Dorsal sepal tip brown to orange-brown. Lateral sepals about as wide as galea, 10–12 × 4.5–6.5 mm, margins curved, tips brown to orange-brown. Petals without basal flanges, 10–12 × 2–3 mm, outer margin nearly straight. Labellum 3.5–4 × 1.5–2 mm, oblong, reddish brown with darker central stripe; surface cells bead-like, no hair-like cells; basal mound erect.

Highly localised; found growing in moist to wet, tall forest with a grassy and shrubby under storey in freely draining to moisture-retentive loam. Colonises track margins and embankments.