Dryopteris erythrosora (D.C. Eaton) Kuntze, Revis. Gen. Pl. 2: 812 1891. (syn: Aspidium cystolepidotum Miq.; Aspidium erythrosorum D. C. Eat.; Aspidium filix-mas var. erythrosorum (D. C. Eat.) H. Christ; Aspidium prolificum Maxim.; Dryopteris bulligera Ching; Dryopteris cystolepidota (Miq.) C. Chr.; Dryopteris distantipinna Ching & Z.Y.Liu; Dryopteris erythrosora (D. C. Eat.) C. Chr.; Dryopteris erythrosora var. dilatata (Koidz.) Sugim.; Dryopteris erythrosora f. viridisora (Nakai & H.Itô) H.Itô; Dryopteris erythrosora var. viridisora Nakai ex H.Itô; Dryopteris linyingensis Ching & C.F.Zhang; Dryopteris nipponensis Koidz.; Dryopteris oblongipinnula Ching & P. S. Chiu; Dryopteris oppositipinna Ching & Z.Y.Liu (ambiguous synonym); Dryopteris paraerythrosora Ching & C.F.Zhang; Dryopteris remotipinnula Ching & C.F.Zhang (ambiguous synonym); Dryopteris sinoerythrosora Ching & K.H. Shing; Dryopteris squamistipes Ching & Z.Y.Liu; Dryopteris taquetii Christ; Lastrea erythrosora (D. C. Eat.) T. Moore; Lastrea prolifica (Maxim.) Moore; Nephrodium erythrosorum (D. C. Eat.) Hook.; Nephrodium filix-mas var. erythrosorum (D. C. Eat.) H. Christ ex
Matsum.; Nephrodium prolificum (Maxim.) Diels; Nephrodium prolificum (Maxim.) Nicholson);     

China (Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangsu,
Jiangxi, Sichuan, Yunnan, Zhejiang), Japan, South Korea, Ryukyu Isl.
as per Catalogue of Life;



Ornamental Fern for ID : Atlanta, Georgia : 20JAN19 : AK-40 : 9 posts by 4 authors. Attachments (3)
Cultivated, garden plant.

Seen commonly.

Just a guess! Dryopteris pulcherrima ??

As the leaflets are arise from the same node (not in alternate manner). So i think it should be Dryopteris remota. Please check.

Dryopteris erythrosora (Japan, China), widely cultivated, indusia are usually pink-red when young, as are young fronds.  We can see the basal pinnae, fortunately – as frond-bases are more important than frond-apices 9 times out of 10.