Cyathea leichhardtiana, the Prickly Tree Fern is a plant found in eastern Australia. A common species found in moist situations, in and near rainforests. Named in honour of the explorer and botanical collector Ludwig Leichhardt. Seen between one and seven metres tall, it may be identified by the thin, prickly trunk, 5 to 15 cm wide. The sori lack true indusia, the base of the sorus bears a ring of scales. Fronds are up to 3 metres long, and the stipe is around 20 cm in length.