Alsophila hermannii
"For" Alsophila christii "and" Cyathea christii ", see" Lophosoria quadripinnata"." Alsophila hermannii, synonym Cyathea christii , is a species of tree fern endemic to Mindanao in the Philippines, where it grows in forest at an altitude of 900–1800 m. The trunk is erect and may be 5 m tall or more. Fronds are bi- or tripinnate and 2–3 m long. The stipe is covered with some warts and narrow, brown scales. Sori occur near the midvein of fertile pinnules and are covered by thin, fragile indusia. Taxonomy. The species was first described by Edwin Copeland in 1906 as "Cyathea christii . In 1970, Rolla Tryon transferred it to the genus Alsophila", but as the name "Alsophila christii" had already been used by Luis Sodiro in 1908, Tryon published the replacement name "Alsophila hermannii". , the transfer is accepted by World Ferns. "Alsophila christii" is now regarded as a synonym of "Lophosoria quadripinnata". "Cyathea christii" is a synonym of "Alsophila christii", so also of "Lophosoria quadripinnata" and not of this species. , Plants of the World Online does not accept the transfer to "Alsophila", accepting the name "Cyathea christii"