Description from
Flora of China
Lindsaea changii C. Christensen; L. concinna J. Smith; L. concinna var. kusukusensis (Hayata) Tagawa; L. kusukusensis Hayata; L. minima Ching (1930), not Copeland (1929); L. securifolia C. Presl ex Goldmann; L. securifolia var. kusukusensis (Hayata) Shieh.
Rhizomes shortly creeping, densely scaly; scales ± spreading, castaneous, 2 or 3(or 4) cells wide at base, acicular at apex. Fronds approximate; stipe stramineous, 5-10 cm, quadrangular; lamina linear, 20-30 × (0.7-)1.5-2 cm, herbaceous, 1-pinnate; pinnae 40-50 pairs, dimidiate, rhomboid or cuneate toward apex, crenate or shallowly lobed on upper margin, incisions reaching just beyond level of receptacle, apex rounded or obtuse-acute, straight on upper margin; veins free, evident. Sori marginal, terminal on 2-4 veins; indusia linear, interrupted. 2n = 94*.
Ching (Icon. Filic. Sin. 4: t. 156. 1937) misidentified this species as Lindsaea lobbiana Hooker (Sp. Fil. 1: 205. 1846), a species described from Java, Indonesia.
On rocks beside streams in forests; 200-600 m. Guangdong, Hainan, Jiangxi, S Taiwan (Pingdong, Taidong) [Bangladesh, Bhutan, India, Japan, Malaysia, Myanmar, Thailand, Vietnam; Pacific islands].