Cyathea australis
Scales of the costae bullate; the margins of the scales entire or with long, white or fawn fimbriae and/or with 1–4 dark red spinules. Scales of the bases of the stipes bright brown, glossy, coriaceous. Old bases of the stipes persistent on the caudex. Tree ferns mostly 2.5–20 m high. Widespread, especially Blue Mts. RF gullies or mountain slopes; open forests. Rough Tree fern