- ≡ Aspidium sieboldii van Houtte ex Mett., Fil. Hort. Bot. Lips. 87, t. 20, f. 1-4 (1856)
Dryopteris sieboldii is a very distinct species with an erect rhizome and 1-pinnate, broadly oblong or broadly ovate, coriaceous laminae. There are up to four pairs of stalked, narrowly elliptic, entire pinnae tapering to acuminate apices, and a similar terminal pinna. The laminae are glabrous adaxially, with a few scattered scales abaxially. The sori are arranged in 3–4 irregular rows either side of the costae (Hoshizaki & Moran 2001; Zhang 2012; Wu et al. 2013).
North Island: Volcanic Plateau.
Altitudinal range: c. 300 m.
Collected once as a spontaneous occurrence in a garden near Rotorua.
Occurs naturally in China and Japan (Wu et al. 2013).
Recorded as self-sown on a crib wall near to cultivated parent plants.
Heenan et al. (2008). Voucher AK 299456, 2006.