This is the iconic blue fungi of New Zealand the species can very from bright blue to a the dull blue to almost gray in colour.

Pileus: 15-50 mm diam., conical to sharply umbonate, with the margin remaining inrolled even in old specimens. Colour light blue, later turning greenish‑blue, and finally ochraceous near the apex. Hygrophanous; dry; appressed‑fibrillose.
Lamellae: adnexed to subfree, bluish when young, becoming bluish‑reddish brown to pink‑brown. Moderately crowded. Edges concolorous, even to irregularly scalloped.
Stipe: 50-100(-150) x 3-5 mm, cylindrical, equal or attenuated upward, concolorous with pileus, fading to brownish, whitish at base. Dry, fistulose, fragile, fibrillose, often twisted.
Context: bluish to bluish‑greenish, especially at the stipe base.
Odour/taste: indistinct.