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

Rosette leaves 5–9, elliptic, 5–15 x 3–8mm, green, dull, margins entire. Flower stem 30–12
 tall, 1.5–2.
 across, 3–12-flowered. Sterile bracts 4–6. Flowers crowded, translucent yellowish-green with faint darker green stripes, 6–8 x 3–3.5mm. Lateral sepals shallowly pouched, 3–4 x 4–
 when flattened. Petals 4.5–5.5 x 3mm, translucent green, margins entire. Labellum oblong, 2 x 1.6mm, whitish-green with dark green appendage c.1.3 x 1mm, with thickened dark green margins and narrow pointed beak c.
 long.

Known from only single locality growing in red-brown loam among grass tussocks, herbs and rocks on relict basalt outcrops.