Cyathea croftii is a species of tree fern endemic to Manus Island in the Admiralty Islands, where it grows in damp forest on steep slopes at an altitude of about 500 m. It is relatively uncommon in the wild. The trunk is erect, up to 3 m tall and about 6 cm in diameter.
Cyathea croftii is a tree fern species found exclusively on Manus Island in the Admiralty Islands, growing in damp forests on steep slopes at an altitude of approximately 500 meters. It is relatively uncommon in its natural habitat. The trunk of Cyathea croftii is upright and can reach heights of up to three meters and a diameter of about six centimeters.