Dryopteris wallichiana 大羽鳞毛蕨
Dryopteris wallichiana (alpine wood fern) is a robust species of deciduous or semi-evergreen fern in the family Dryopteridaceae, native to the Himalayas, Hawaii, Mexico and Jamaica. It grows to 90 cm (35 in) tall, occasionally 180 cm (71 in) by 75 cm (30 in) wide, with pale green tripinnate fronds, strongly contrasting with the dark brown ribs.